{"title":"Copper Fittings","description":null,"products":[{"product_id":"hengsen-copper-p-trap-oil-return-bend","title":"HENGSEN Copper P-Trap Oil Return Bend for Refrigeration","description":"\u003cp\u003e\u003cstrong\u003eDescription\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eHENGSEN Copper P-Traps are preformed oil return bends for refrigeration and air-conditioning pipework. The copper fitting provides a ready-made P-shaped section for installations where the piping design requires an oil trap.\u003c\/p\u003e\n\u003cp\u003eAvailable in eight listed connection sizes from 15.88 to 54 mm, with wall thicknesses from 1.0 to 1.8 mm, this range allows you to select the fitting that matches your project specification.\u003c\/p\u003e\n\u003cp\u003eIn correctly designed suction piping, a P-trap helps refrigerant flow carry oil up a vertical riser toward the compressor. Fitting size and placement should follow the equipment manufacturer’s piping requirements.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePreformed P-Shaped Bend:\u003c\/strong\u003e Provides the trap geometry as a ready-made fitting for installation into the specified pipe layout.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCopper Construction:\u003c\/strong\u003e Copper body with socket ends for connection to compatible copper pipework.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEight Size Options:\u003c\/strong\u003e Listed connection sizes include 15.88, 19, 22.23, 25.4, 28.58, 35, 41.28 and 54 mm.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecified Wall Thickness:\u003c\/strong\u003e Each size is paired with its listed wall thickness to make ordering clear.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOil-Return Piping Component:\u003c\/strong\u003e For use at locations where the refrigeration system design calls for a P-trap.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eItem\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eHENGSEN\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eCopper P-Trap \/ P-Type Oil Return Bend\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eCopper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFitting Shape\u003c\/td\u003e\n\u003ctd\u003eP-Type\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnection Style\u003c\/td\u003e\n\u003ctd\u003eSocket Ends\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eListed Connection Size Range\u003c\/td\u003e\n\u003ctd\u003e15.88–54 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWall Thickness Range\u003c\/td\u003e\n\u003ctd\u003e1.0–1.8 mm, depending on size\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAvailable Variants\u003c\/td\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIntended Use\u003c\/td\u003e\n\u003ctd\u003eOil-return arrangements in refrigeration and air-conditioning piping\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpecification Format\u003c\/td\u003e\n\u003ctd\u003eConnection Size × Wall Thickness, in mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003eAvailable Sizes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eVariant\u003c\/th\u003e\n\u003cth\u003eListed Connection Size (mm)\u003c\/th\u003e\n\u003cth\u003eWall Thickness (mm)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e15.88 × 1.0 mm\u003c\/td\u003e\n\u003ctd\u003e15.88\u003c\/td\u003e\n\u003ctd\u003e1.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e19 × 1.1 mm\u003c\/td\u003e\n\u003ctd\u003e19\u003c\/td\u003e\n\u003ctd\u003e1.1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e22.23 × 1.2 mm\u003c\/td\u003e\n\u003ctd\u003e22.23\u003c\/td\u003e\n\u003ctd\u003e1.2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e25.4 × 1.2 mm\u003c\/td\u003e\n\u003ctd\u003e25.4\u003c\/td\u003e\n\u003ctd\u003e1.2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e28.58 × 1.5 mm\u003c\/td\u003e\n\u003ctd\u003e28.58\u003c\/td\u003e\n\u003ctd\u003e1.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e35 × 1.5 mm\u003c\/td\u003e\n\u003ctd\u003e35\u003c\/td\u003e\n\u003ctd\u003e1.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e41.28 × 1.7 mm\u003c\/td\u003e\n\u003ctd\u003e41.28\u003c\/td\u003e\n\u003ctd\u003e1.7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e54 × 1.8 mm\u003c\/td\u003e\n\u003ctd\u003e54\u003c\/td\u003e\n\u003ctd\u003e1.8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003eAll dimensions above are in millimeters. The first value identifies the listed connection size; the second identifies the wall thickness. Confirm the mating tube dimensions and socket fit before ordering.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eApplications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eFor refrigeration and air-conditioning projects requiring a copper oil return bend, including suction riser arrangements in cold storage and commercial refrigeration installations. Application suitability depends on the system design and operating conditions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSelection \u0026amp; Installation\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eSelect the required connection size and wall thickness from the table. Check the available installation space against the drawing for the selected fitting. Have the connection method, pressure requirements and refrigerant compatibility confirmed for the intended system before installation.\u003c\/p\u003e\n\u003cp\u003eTrap location and orientation should follow the equipment manufacturer’s piping layout. Correct line sizing and refrigerant velocity remain essential to oil return.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRequest a Quote\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eContact us with your required size and quantity for pricing and availability.\u003c\/p\u003e","brand":"HENGSEN","offers":[{"title":"15.88 × 1.0 mm","offer_id":44215798071355,"sku":null,"price":4.0,"currency_code":"USD","in_stock":true},{"title":"19 × 1.1 mm","offer_id":44215798104123,"sku":null,"price":7.0,"currency_code":"USD","in_stock":true},{"title":"22.23 × 1.2 mm","offer_id":44215798136891,"sku":null,"price":8.0,"currency_code":"USD","in_stock":true},{"title":"25.4 × 1.2 mm","offer_id":44215798169659,"sku":null,"price":12.0,"currency_code":"USD","in_stock":true},{"title":"28.58 × 1.5 mm","offer_id":44215798202427,"sku":null,"price":12.0,"currency_code":"USD","in_stock":true},{"title":"35 × 1.5 mm","offer_id":44215798235195,"sku":null,"price":19.0,"currency_code":"USD","in_stock":true},{"title":"41.28 × 1.7 mm","offer_id":44215798267963,"sku":null,"price":29.0,"currency_code":"USD","in_stock":true},{"title":"54 × 1.8 mm","offer_id":44215798300731,"sku":null,"price":44.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0683\/8920\/8123\/files\/Codex_2026_9_18_10_11_32.png?v=1789697512"},{"product_id":"hengsen-standard-wall-90-degree-copper-elbows","title":"HENGSEN Standard-Wall 90° Copper Elbows | 6.35–133 mm","description":"\u003cp\u003e\u003cstrong\u003eDescription\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eHENGSEN Standard-Wall 90° Copper Elbows provide a right-angle connection for copper pipework in refrigeration and air-conditioning installations. The equal-size socket ends connect matching copper tubes where a 90-degree change in direction is required.\u003c\/p\u003e\n\u003cp\u003eThis range includes 30 listed sizes from 6.35 to 133 mm, with wall thicknesses from 0.8 to 3.0 mm depending on the selected size. Each option combines a specific connection size and wall thickness for clear ordering.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e90-degree elbow configuration:\u003c\/strong\u003e Provides a right-angle turn in copper piping.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCopper construction:\u003c\/strong\u003e Copper fitting with socket ends for compatible copper tubing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e30 size options:\u003c\/strong\u003e Select from the listed 6.35–133 mm range.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecified wall thickness:\u003c\/strong\u003e Each size is paired with its listed wall thickness.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEqual-size ends:\u003c\/strong\u003e Both connections use the same listed size.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eItem\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eHENGSEN\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003e90° Copper Elbow\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eStandard Wall\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eCopper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAngle\u003c\/td\u003e\n\u003ctd\u003e90°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFitting Configuration\u003c\/td\u003e\n\u003ctd\u003eEqual Elbow\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnection Style\u003c\/td\u003e\n\u003ctd\u003eSocket × Socket\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eListed Connection Size Range\u003c\/td\u003e\n\u003ctd\u003e6.35–133 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWall Thickness Range\u003c\/td\u003e\n\u003ctd\u003e0.8–3.0 mm, depending on size\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAvailable Variants\u003c\/td\u003e\n\u003ctd\u003e30\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpecification Format\u003c\/td\u003e\n\u003ctd\u003eConnection Size × Wall Thickness\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003eAvailable Sizes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eVariant\u003c\/th\u003e\n\u003cth\u003eListed Connection Size (mm)\u003c\/th\u003e\n\u003cth\u003eWall Thickness (mm)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e6.35 × 0.8 mm\u003c\/td\u003e\n\u003ctd\u003e6.35\u003c\/td\u003e\n\u003ctd\u003e0.8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e8 × 0.8 mm\u003c\/td\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003ctd\u003e0.8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e9.52 × 0.8 mm\u003c\/td\u003e\n\u003ctd\u003e9.52\u003c\/td\u003e\n\u003ctd\u003e0.8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e10 × 0.8 mm\u003c\/td\u003e\n\u003ctd\u003e10\u003c\/td\u003e\n\u003ctd\u003e0.8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e12 × 0.8 mm\u003c\/td\u003e\n\u003ctd\u003e12\u003c\/td\u003e\n\u003ctd\u003e0.8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e12.7 × 0.8 mm\u003c\/td\u003e\n\u003ctd\u003e12.7\u003c\/td\u003e\n\u003ctd\u003e0.8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e15.88 × 0.8 mm\u003c\/td\u003e\n\u003ctd\u003e15.88\u003c\/td\u003e\n\u003ctd\u003e0.8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e16 × 0.8 mm\u003c\/td\u003e\n\u003ctd\u003e16\u003c\/td\u003e\n\u003ctd\u003e0.8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e19 × 0.9 mm\u003c\/td\u003e\n\u003ctd\u003e19\u003c\/td\u003e\n\u003ctd\u003e0.9\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e22 × 1.0 mm\u003c\/td\u003e\n\u003ctd\u003e22\u003c\/td\u003e\n\u003ctd\u003e1.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e22.23 × 1.0 mm\u003c\/td\u003e\n\u003ctd\u003e22.23\u003c\/td\u003e\n\u003ctd\u003e1.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e25 × 1.1 mm\u003c\/td\u003e\n\u003ctd\u003e25\u003c\/td\u003e\n\u003ctd\u003e1.1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e25.4 × 1.1 mm\u003c\/td\u003e\n\u003ctd\u003e25.4\u003c\/td\u003e\n\u003ctd\u003e1.1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e28 × 1.1 mm\u003c\/td\u003e\n\u003ctd\u003e28\u003c\/td\u003e\n\u003ctd\u003e1.1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e28.58 × 1.1 mm\u003c\/td\u003e\n\u003ctd\u003e28.58\u003c\/td\u003e\n\u003ctd\u003e1.1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e32 × 1.2 mm\u003c\/td\u003e\n\u003ctd\u003e32\u003c\/td\u003e\n\u003ctd\u003e1.2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e35 × 1.3 mm\u003c\/td\u003e\n\u003ctd\u003e35\u003c\/td\u003e\n\u003ctd\u003e1.3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e38 × 1.4 mm\u003c\/td\u003e\n\u003ctd\u003e38\u003c\/td\u003e\n\u003ctd\u003e1.4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e41.28 × 1.5 mm\u003c\/td\u003e\n\u003ctd\u003e41.28\u003c\/td\u003e\n\u003ctd\u003e1.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e42 × 1.5 mm\u003c\/td\u003e\n\u003ctd\u003e42\u003c\/td\u003e\n\u003ctd\u003e1.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e45 × 1.5 mm\u003c\/td\u003e\n\u003ctd\u003e45\u003c\/td\u003e\n\u003ctd\u003e1.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e50 × 1.7 mm\u003c\/td\u003e\n\u003ctd\u003e50\u003c\/td\u003e\n\u003ctd\u003e1.7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e51 × 1.7 mm\u003c\/td\u003e\n\u003ctd\u003e51\u003c\/td\u003e\n\u003ctd\u003e1.7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e54 × 1.7 mm\u003c\/td\u003e\n\u003ctd\u003e54\u003c\/td\u003e\n\u003ctd\u003e1.7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e67 × 1.8 mm\u003c\/td\u003e\n\u003ctd\u003e67\u003c\/td\u003e\n\u003ctd\u003e1.8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e76 × 2.0 mm\u003c\/td\u003e\n\u003ctd\u003e76\u003c\/td\u003e\n\u003ctd\u003e2.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e80 × 2.0 mm\u003c\/td\u003e\n\u003ctd\u003e80\u003c\/td\u003e\n\u003ctd\u003e2.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e89 × 2.3 mm\u003c\/td\u003e\n\u003ctd\u003e89\u003c\/td\u003e\n\u003ctd\u003e2.3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e108 × 2.8 mm\u003c\/td\u003e\n\u003ctd\u003e108\u003c\/td\u003e\n\u003ctd\u003e2.8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e133 × 3.0 mm\u003c\/td\u003e\n\u003ctd\u003e133\u003c\/td\u003e\n\u003ctd\u003e3.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003eAll values are in millimeters. Listed connection sizes identify the product options; they are not the elbow’s overall dimensions. Confirm the mating tube and socket fit before ordering.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eApplications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCopper piping for refrigeration and air-conditioning systems.\u003c\/li\u003e\n\u003cli\u003eCold room and commercial refrigeration installations.\u003c\/li\u003e\n\u003cli\u003eEquipment maintenance and replacement of matching 90-degree fittings.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSelection \u0026amp; Installation\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eSelect the exact size and wall thickness required by your piping specification. Closely spaced sizes such as 15.88 and 16 mm, or 22 and 22.23 mm, are separate options and should not be substituted without checking the fit.\u003c\/p\u003e\n\u003cp\u003eHave a qualified installer confirm the joining procedure and suitability for the system’s pressure, temperature and refrigerant. Check joint quality and test the completed pipework before commissioning.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRequest a Quote\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eSend the required size × wall thickness, quantity and delivery destination. Include your piping specification if you need help identifying the correct option.\u003c\/p\u003e","brand":"HENGSEN","offers":[{"title":"6.35 × 0.8 mm","offer_id":44244227588155,"sku":null,"price":1.0,"currency_code":"USD","in_stock":true},{"title":"8 × 0.8 mm","offer_id":44244227620923,"sku":null,"price":1.0,"currency_code":"USD","in_stock":true},{"title":"9.52 × 0.8 mm","offer_id":44244227653691,"sku":null,"price":1.0,"currency_code":"USD","in_stock":true},{"title":"10 × 0.8 mm","offer_id":44244227686459,"sku":null,"price":1.0,"currency_code":"USD","in_stock":true},{"title":"12 × 0.8 mm","offer_id":44244227719227,"sku":null,"price":1.0,"currency_code":"USD","in_stock":true},{"title":"12.7 × 0.8 mm","offer_id":44244227751995,"sku":null,"price":1.0,"currency_code":"USD","in_stock":true},{"title":"15.88 × 0.8 mm","offer_id":44244227784763,"sku":null,"price":1.0,"currency_code":"USD","in_stock":true},{"title":"16 × 0.8 mm","offer_id":44244227817531,"sku":null,"price":1.0,"currency_code":"USD","in_stock":true},{"title":"19 × 0.9 mm","offer_id":44244227850299,"sku":null,"price":1.0,"currency_code":"USD","in_stock":true},{"title":"22 × 1.0 mm","offer_id":44244227883067,"sku":null,"price":1.0,"currency_code":"USD","in_stock":true},{"title":"22.23 × 1.0 mm","offer_id":44244227915835,"sku":null,"price":1.0,"currency_code":"USD","in_stock":true},{"title":"25 × 1.1 mm","offer_id":44244227948603,"sku":null,"price":2.0,"currency_code":"USD","in_stock":true},{"title":"25.4 × 1.1 mm","offer_id":44244227981371,"sku":null,"price":2.0,"currency_code":"USD","in_stock":true},{"title":"28 × 1.1 mm","offer_id":44244228014139,"sku":null,"price":2.0,"currency_code":"USD","in_stock":true},{"title":"28.58 × 1.1 mm","offer_id":44244228046907,"sku":null,"price":2.0,"currency_code":"USD","in_stock":true},{"title":"32 × 1.2 mm","offer_id":44244228079675,"sku":null,"price":3.0,"currency_code":"USD","in_stock":true},{"title":"35 × 1.3 mm","offer_id":44244228112443,"sku":null,"price":3.0,"currency_code":"USD","in_stock":true},{"title":"38 × 1.4 mm","offer_id":44244228145211,"sku":null,"price":4.0,"currency_code":"USD","in_stock":true},{"title":"41.28 × 1.5 mm","offer_id":44244228177979,"sku":null,"price":5.0,"currency_code":"USD","in_stock":true},{"title":"42 × 1.5 mm","offer_id":44244228210747,"sku":null,"price":5.0,"currency_code":"USD","in_stock":true},{"title":"45 × 1.5 mm","offer_id":44244228243515,"sku":null,"price":5.0,"currency_code":"USD","in_stock":true},{"title":"50 × 1.7 mm","offer_id":44244228276283,"sku":null,"price":7.0,"currency_code":"USD","in_stock":true},{"title":"51 × 1.7 mm","offer_id":44244228309051,"sku":null,"price":8.0,"currency_code":"USD","in_stock":true},{"title":"54 × 1.7 mm","offer_id":44244228341819,"sku":null,"price":8.0,"currency_code":"USD","in_stock":true},{"title":"67 × 1.8 mm","offer_id":44244228374587,"sku":null,"price":13.0,"currency_code":"USD","in_stock":true},{"title":"76 × 2.0 mm","offer_id":44244228407355,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true},{"title":"80 × 2.0 mm","offer_id":44244228440123,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true},{"title":"89 × 2.3 mm","offer_id":44244228472891,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true},{"title":"108 × 2.8 mm","offer_id":44244228505659,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true},{"title":"133 × 3.0 mm","offer_id":44244228538427,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0683\/8920\/8123\/files\/Codex_2026_9_21_13_47_26.png?v=1789969731"},{"product_id":"hengsen-thick-wall-90-degree-copper-elbows","title":"HENGSEN Thick-Wall 90° Copper Elbows | 16–35 mm","description":"\u003cp\u003e\u003cstrong\u003eDescription\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eHENGSEN Thick-Wall 90° Copper Elbows provide a right-angle connection for copper pipework where the project specification calls for an increased wall thickness. This range includes nine listed sizes from 16 to 35 mm, with wall thicknesses of 1.0, 1.3 or 1.5 mm depending on size.\u003c\/p\u003e\n\u003cp\u003eThe copper body and equal-size socket ends connect matching copper tubes in refrigeration and air-conditioning installations. Select the required size and wall thickness together to match your piping specification.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncreased wall thickness:\u003c\/strong\u003e Each option has a thicker listed wall than the matching size in the standard-wall range.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e90-degree configuration:\u003c\/strong\u003e Forms a right-angle turn in copper piping.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCopper construction:\u003c\/strong\u003e Socket ends for connection to compatible copper tubes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNine defined options:\u003c\/strong\u003e Each listed size has a specified wall thickness.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEqual-size ends:\u003c\/strong\u003e Both connections use the same listed size.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eItem\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eHENGSEN\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003e90° Copper Elbow\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eThick Wall\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eCopper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAngle\u003c\/td\u003e\n\u003ctd\u003e90°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFitting Configuration\u003c\/td\u003e\n\u003ctd\u003eEqual Elbow\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnection Style\u003c\/td\u003e\n\u003ctd\u003eSocket × Socket\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eListed Connection Size Range\u003c\/td\u003e\n\u003ctd\u003e16–35 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWall Thickness Options\u003c\/td\u003e\n\u003ctd\u003e1.0 \/ 1.3 \/ 1.5 mm, depending on size\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAvailable Variants\u003c\/td\u003e\n\u003ctd\u003e9\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpecification Format\u003c\/td\u003e\n\u003ctd\u003eConnection Size × Wall Thickness\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003eAvailable Sizes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eVariant\u003c\/th\u003e\n\u003cth\u003eListed Connection Size (mm)\u003c\/th\u003e\n\u003cth\u003eWall Thickness (mm)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e16 × 1.0 mm\u003c\/td\u003e\n\u003ctd\u003e16\u003c\/td\u003e\n\u003ctd\u003e1.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e19 × 1.3 mm\u003c\/td\u003e\n\u003ctd\u003e19\u003c\/td\u003e\n\u003ctd\u003e1.3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e22 × 1.3 mm\u003c\/td\u003e\n\u003ctd\u003e22\u003c\/td\u003e\n\u003ctd\u003e1.3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e22.23 × 1.3 mm\u003c\/td\u003e\n\u003ctd\u003e22.23\u003c\/td\u003e\n\u003ctd\u003e1.3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e25 × 1.3 mm\u003c\/td\u003e\n\u003ctd\u003e25\u003c\/td\u003e\n\u003ctd\u003e1.3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e25.4 × 1.3 mm\u003c\/td\u003e\n\u003ctd\u003e25.4\u003c\/td\u003e\n\u003ctd\u003e1.3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e28 × 1.3 mm\u003c\/td\u003e\n\u003ctd\u003e28\u003c\/td\u003e\n\u003ctd\u003e1.3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e28.58 × 1.3 mm\u003c\/td\u003e\n\u003ctd\u003e28.58\u003c\/td\u003e\n\u003ctd\u003e1.3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e35 × 1.5 mm\u003c\/td\u003e\n\u003ctd\u003e35\u003c\/td\u003e\n\u003ctd\u003e1.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003eAll values are in millimeters. The size and wall thickness in each row form one product option. Other combinations are not included in this listing.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eStandard Wall vs. Thick Wall\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eFor example, the standard-wall 19 mm elbow is listed with a 0.9 mm wall, while the thick-wall version is listed with a 1.3 mm wall. At 35 mm, the wall thickness increases from 1.3 to 1.5 mm.\u003c\/p\u003e\n\u003cp\u003e“Thick wall” describes the increased wall thickness. It does not establish a pressure rating or universal refrigerant compatibility.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eApplications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRefrigeration and air-conditioning copper piping specified for these wall thicknesses.\u003c\/li\u003e\n\u003cli\u003eCold storage piping installations.\u003c\/li\u003e\n\u003cli\u003eMaintenance and replacement of fittings with matching connection and wall specifications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSelection \u0026amp; Installation\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eMatch both the listed connection size and wall thickness to your project requirements. Confirm socket dimensions, installation clearance and operating requirements before selecting a fitting. Joining and testing should follow the equipment manufacturer’s instructions and the project piping procedure.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRequest a Quote\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eSend the required size × wall thickness, quantity and delivery destination. Include the system requirements when requesting technical confirmation.\u003c\/p\u003e","brand":"HENGSEN","offers":[{"title":"16 × 1.0 mm","offer_id":44244293648443,"sku":null,"price":1.0,"currency_code":"USD","in_stock":true},{"title":"19 × 1.3 mm","offer_id":44244293681211,"sku":null,"price":2.0,"currency_code":"USD","in_stock":true},{"title":"22 × 1.3 mm","offer_id":44244293713979,"sku":null,"price":2.0,"currency_code":"USD","in_stock":true},{"title":"22.23 × 1.3 mm","offer_id":44244293746747,"sku":null,"price":2.0,"currency_code":"USD","in_stock":true},{"title":"25 × 1.3 mm","offer_id":44244293779515,"sku":null,"price":2.0,"currency_code":"USD","in_stock":true},{"title":"25.4 × 1.3 mm","offer_id":44244293812283,"sku":null,"price":2.0,"currency_code":"USD","in_stock":true},{"title":"28 × 1.3 mm","offer_id":44244293845051,"sku":null,"price":2.0,"currency_code":"USD","in_stock":true},{"title":"28.58 × 1.3 mm","offer_id":44244293877819,"sku":null,"price":2.0,"currency_code":"USD","in_stock":true},{"title":"35 × 1.5 mm","offer_id":44244293910587,"sku":null,"price":4.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0683\/8920\/8123\/files\/Codex_2026_9_21_13_47_26.png?v=1789969731"},{"product_id":"hengsen-long-90-degree-copper-elbows","title":"HENGSEN Long 90° Copper Elbows | 10–79.4 mm","description":"\u003cp\u003e\u003cstrong\u003eDescription\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eHENGSEN Long 90° Copper Elbows provide a sweeping right-angle connection for copper pipework in refrigeration and air-conditioning installations. Their extended bend profile suits piping layouts that require a more gradual turn.\u003c\/p\u003e\n\u003cp\u003eAvailable in 23 size options from 10 to 79.4 mm, this range covers wall thicknesses from 0.8 to 2.0 mm, depending on the selected size. Each variant combines a specific connection size and wall thickness to help you select the fitting required for your project.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLong 90-degree bend:\u003c\/strong\u003e An extended bend profile for compatible refrigeration and air-conditioning pipe layouts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCopper construction:\u003c\/strong\u003e Designed for connection to compatible copper tubing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEqual-size socket ends:\u003c\/strong\u003e Both ends use the same listed connection size.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e23 size options:\u003c\/strong\u003e Choose from listed sizes ranging from 10 to 79.4 mm.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClearly specified wall thickness:\u003c\/strong\u003e Each size is paired with its corresponding wall thickness.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eItem\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eHENGSEN\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eLong 90° Copper Elbow\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eCopper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBend Angle\u003c\/td\u003e\n\u003ctd\u003e90°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBend Style\u003c\/td\u003e\n\u003ctd\u003eLong Pattern\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFitting Configuration\u003c\/td\u003e\n\u003ctd\u003eEqual Elbow\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnection Style\u003c\/td\u003e\n\u003ctd\u003eSocket × Socket\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eListed Connection Size Range\u003c\/td\u003e\n\u003ctd\u003e10–79.4 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWall Thickness Range\u003c\/td\u003e\n\u003ctd\u003e0.8–2.0 mm, depending on size\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAvailable Variants\u003c\/td\u003e\n\u003ctd\u003e23\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpecification Format\u003c\/td\u003e\n\u003ctd\u003eConnection Size × Wall Thickness\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003eAvailable Sizes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSize × Wall Thickness\u003c\/th\u003e\n\u003cth\u003eListed Connection Size (mm)\u003c\/th\u003e\n\u003cth\u003eWall Thickness (mm)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e10 × 0.8 mm\u003c\/td\u003e\n\u003ctd\u003e10\u003c\/td\u003e\n\u003ctd\u003e0.8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e12 × 0.8 mm\u003c\/td\u003e\n\u003ctd\u003e12\u003c\/td\u003e\n\u003ctd\u003e0.8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e12.7 × 0.8 mm\u003c\/td\u003e\n\u003ctd\u003e12.7\u003c\/td\u003e\n\u003ctd\u003e0.8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e16 × 1.0 mm\u003c\/td\u003e\n\u003ctd\u003e16\u003c\/td\u003e\n\u003ctd\u003e1.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e19 × 1.0 mm\u003c\/td\u003e\n\u003ctd\u003e19\u003c\/td\u003e\n\u003ctd\u003e1.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e22 × 1.2 mm\u003c\/td\u003e\n\u003ctd\u003e22\u003c\/td\u003e\n\u003ctd\u003e1.2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e22.23 × 1.2 mm\u003c\/td\u003e\n\u003ctd\u003e22.23\u003c\/td\u003e\n\u003ctd\u003e1.2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e25 × 1.2 mm\u003c\/td\u003e\n\u003ctd\u003e25\u003c\/td\u003e\n\u003ctd\u003e1.2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e25.4 × 1.2 mm\u003c\/td\u003e\n\u003ctd\u003e25.4\u003c\/td\u003e\n\u003ctd\u003e1.2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e28 × 1.2 mm\u003c\/td\u003e\n\u003ctd\u003e28\u003c\/td\u003e\n\u003ctd\u003e1.2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e28.58 × 1.2 mm\u003c\/td\u003e\n\u003ctd\u003e28.58\u003c\/td\u003e\n\u003ctd\u003e1.2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e32 × 1.3 mm\u003c\/td\u003e\n\u003ctd\u003e32\u003c\/td\u003e\n\u003ctd\u003e1.3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e35 × 1.3 mm\u003c\/td\u003e\n\u003ctd\u003e35\u003c\/td\u003e\n\u003ctd\u003e1.3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e38 × 1.4 mm\u003c\/td\u003e\n\u003ctd\u003e38\u003c\/td\u003e\n\u003ctd\u003e1.4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e41.28 × 1.5 mm\u003c\/td\u003e\n\u003ctd\u003e41.28\u003c\/td\u003e\n\u003ctd\u003e1.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e42 × 1.5 mm\u003c\/td\u003e\n\u003ctd\u003e42\u003c\/td\u003e\n\u003ctd\u003e1.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e45 × 1.5 mm\u003c\/td\u003e\n\u003ctd\u003e45\u003c\/td\u003e\n\u003ctd\u003e1.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e50 × 1.7 mm\u003c\/td\u003e\n\u003ctd\u003e50\u003c\/td\u003e\n\u003ctd\u003e1.7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e51 × 1.7 mm\u003c\/td\u003e\n\u003ctd\u003e51\u003c\/td\u003e\n\u003ctd\u003e1.7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e54 × 1.7 mm\u003c\/td\u003e\n\u003ctd\u003e54\u003c\/td\u003e\n\u003ctd\u003e1.7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e67 × 1.8 mm\u003c\/td\u003e\n\u003ctd\u003e67\u003c\/td\u003e\n\u003ctd\u003e1.8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e76 × 2.0 mm\u003c\/td\u003e\n\u003ctd\u003e76\u003c\/td\u003e\n\u003ctd\u003e2.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e79.4 × 2.0 mm\u003c\/td\u003e\n\u003ctd\u003e79.4\u003c\/td\u003e\n\u003ctd\u003e2.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003eAll measurements are in millimeters. The first number identifies the listed connection size, and the second identifies the wall thickness. These values do not represent the elbow’s overall dimensions or bend radius.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eApplications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRefrigeration and air-conditioning copper pipework.\u003c\/li\u003e\n\u003cli\u003eCold room and commercial refrigeration installations.\u003c\/li\u003e\n\u003cli\u003ePiping layouts requiring a long 90-degree elbow.\u003c\/li\u003e\n\u003cli\u003eReplacement of existing fittings with matching connection and dimensional requirements.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eChoosing the Correct Size\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eSelect the exact connection size and wall thickness required by your project. Sizes such as 25 and 25.4 mm, 41.28 and 42 mm, or 50 and 51 mm are separate options and should not be treated as interchangeable without checking the fit.\u003c\/p\u003e\n\u003cp\u003eAllow sufficient installation space for the extended bend. Confirm the socket fit, overall dimensions and bend radius for the selected size when planning your pipework.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eInstallation\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA qualified installer should confirm the connection method and suitability for the system’s pressure, temperature and refrigerant. Prepare the tubing and joints according to the installation procedure, then test the completed pipework before commissioning.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRequest a Quote\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eSend your required size × wall thickness, quantity and delivery destination. Include any required bend radius or installation dimensions so the correct fitting can be checked.\u003c\/p\u003e","brand":"HENGSEN","offers":[{"title":"10 × 0.8 mm","offer_id":44245225996347,"sku":null,"price":1.0,"currency_code":"USD","in_stock":true},{"title":"12 × 0.8 mm","offer_id":44245226029115,"sku":null,"price":1.0,"currency_code":"USD","in_stock":true},{"title":"12.7 × 0.8 mm","offer_id":44245226061883,"sku":null,"price":1.0,"currency_code":"USD","in_stock":true},{"title":"16 × 1.0 mm","offer_id":44245226094651,"sku":null,"price":1.0,"currency_code":"USD","in_stock":true},{"title":"19 × 1.0 mm","offer_id":44245226127419,"sku":null,"price":2.0,"currency_code":"USD","in_stock":true},{"title":"22 × 1.2 mm","offer_id":44245226160187,"sku":null,"price":2.0,"currency_code":"USD","in_stock":true},{"title":"22.23 × 1.2 mm","offer_id":44245226192955,"sku":null,"price":2.0,"currency_code":"USD","in_stock":true},{"title":"25 × 1.2 mm","offer_id":44245226225723,"sku":null,"price":2.0,"currency_code":"USD","in_stock":true},{"title":"25.4 × 1.2 mm","offer_id":44245226258491,"sku":null,"price":2.0,"currency_code":"USD","in_stock":true},{"title":"28 × 1.2 mm","offer_id":44245226291259,"sku":null,"price":3.0,"currency_code":"USD","in_stock":true},{"title":"28.58 × 1.2 mm","offer_id":44245226324027,"sku":null,"price":3.0,"currency_code":"USD","in_stock":true},{"title":"32 × 1.3 mm","offer_id":44245226356795,"sku":null,"price":3.0,"currency_code":"USD","in_stock":true},{"title":"35 × 1.3 mm","offer_id":44245226389563,"sku":null,"price":4.0,"currency_code":"USD","in_stock":true},{"title":"38 × 1.4 mm","offer_id":44245226422331,"sku":null,"price":5.0,"currency_code":"USD","in_stock":true},{"title":"41.28 × 1.5 mm","offer_id":44245226455099,"sku":null,"price":6.0,"currency_code":"USD","in_stock":true},{"title":"42 × 1.5 mm","offer_id":44245226487867,"sku":null,"price":6.0,"currency_code":"USD","in_stock":true},{"title":"45 × 1.5 mm","offer_id":44245226520635,"sku":null,"price":7.0,"currency_code":"USD","in_stock":true},{"title":"50 × 1.7 mm","offer_id":44245226553403,"sku":null,"price":10.0,"currency_code":"USD","in_stock":true},{"title":"51 × 1.7 mm","offer_id":44245226586171,"sku":null,"price":10.0,"currency_code":"USD","in_stock":true},{"title":"54 × 1.7 mm","offer_id":44245226618939,"sku":null,"price":12.0,"currency_code":"USD","in_stock":true},{"title":"67 × 1.8 mm","offer_id":44245226651707,"sku":null,"price":19.0,"currency_code":"USD","in_stock":true},{"title":"76 × 2.0 mm","offer_id":44245226684475,"sku":null,"price":26.0,"currency_code":"USD","in_stock":true},{"title":"79.4 × 2.0 mm","offer_id":44245226717243,"sku":null,"price":31.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0683\/8920\/8123\/files\/Codex_2026_9_21_16_49_09.png?v=1789980586"},{"product_id":"hengsen-45-degree-copper-elbows","title":"HENGSEN 45° Copper Elbows | 16–133 mm","description":"\u003cp\u003e\u003cstrong\u003eDescription — 以下内容可直接复制\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eHENGSEN 45° Copper Elbows connect compatible copper tubing at a 45-degree angle in refrigeration and air-conditioning pipework. The equal-size socket connections make them suitable for directional changes and offset layouts that require this fitting shape.\u003c\/p\u003e\n\u003cp\u003eThe range includes 19 size options from 16 to 133 mm, with wall thicknesses from 0.8 to 3.0 mm depending on the selected size. Choose the exact size and wall thickness required for your installation from the specification table below.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e45-degree direction change:\u003c\/strong\u003e For pipe layouts requiring a 45-degree bend.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCopper construction:\u003c\/strong\u003e For connection to compatible copper tubing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEqual-size socket ends:\u003c\/strong\u003e The same listed connection size at both ends.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e19 size options:\u003c\/strong\u003e Sizes from 16 to 133 mm in one product range.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClearly specified wall thickness:\u003c\/strong\u003e Each variant identifies its size and corresponding wall thickness.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eItem\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eHENGSEN\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003e45° Copper Elbow\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eCopper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBend Angle\u003c\/td\u003e\n\u003ctd\u003e45°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFitting Configuration\u003c\/td\u003e\n\u003ctd\u003eEqual Elbow\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnection Style\u003c\/td\u003e\n\u003ctd\u003eSocket × Socket\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eListed Connection Size Range\u003c\/td\u003e\n\u003ctd\u003e16–133 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWall Thickness Range\u003c\/td\u003e\n\u003ctd\u003e0.8–3.0 mm, depending on size\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAvailable Variants\u003c\/td\u003e\n\u003ctd\u003e19\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpecification Format\u003c\/td\u003e\n\u003ctd\u003eConnection Size × Wall Thickness\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003eAvailable Sizes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSize × Wall Thickness\u003c\/th\u003e\n\u003cth\u003eListed Connection Size (mm)\u003c\/th\u003e\n\u003cth\u003eWall Thickness (mm)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e16 × 0.8 mm\u003c\/td\u003e\n\u003ctd\u003e16\u003c\/td\u003e\n\u003ctd\u003e0.8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e19 × 0.9 mm\u003c\/td\u003e\n\u003ctd\u003e19\u003c\/td\u003e\n\u003ctd\u003e0.9\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e22.23 × 1.0 mm\u003c\/td\u003e\n\u003ctd\u003e22.23\u003c\/td\u003e\n\u003ctd\u003e1.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e25.4 × 1.1 mm\u003c\/td\u003e\n\u003ctd\u003e25.4\u003c\/td\u003e\n\u003ctd\u003e1.1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e28.58 × 1.1 mm\u003c\/td\u003e\n\u003ctd\u003e28.58\u003c\/td\u003e\n\u003ctd\u003e1.1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e32 × 1.2 mm\u003c\/td\u003e\n\u003ctd\u003e32\u003c\/td\u003e\n\u003ctd\u003e1.2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e35 × 1.3 mm\u003c\/td\u003e\n\u003ctd\u003e35\u003c\/td\u003e\n\u003ctd\u003e1.3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e38 × 1.4 mm\u003c\/td\u003e\n\u003ctd\u003e38\u003c\/td\u003e\n\u003ctd\u003e1.4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e42 × 1.5 mm\u003c\/td\u003e\n\u003ctd\u003e42\u003c\/td\u003e\n\u003ctd\u003e1.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e45 × 1.7 mm\u003c\/td\u003e\n\u003ctd\u003e45\u003c\/td\u003e\n\u003ctd\u003e1.7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e50 × 1.7 mm\u003c\/td\u003e\n\u003ctd\u003e50\u003c\/td\u003e\n\u003ctd\u003e1.7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e51 × 1.7 mm\u003c\/td\u003e\n\u003ctd\u003e51\u003c\/td\u003e\n\u003ctd\u003e1.7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e54 × 1.7 mm\u003c\/td\u003e\n\u003ctd\u003e54\u003c\/td\u003e\n\u003ctd\u003e1.7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e67 × 1.8 mm\u003c\/td\u003e\n\u003ctd\u003e67\u003c\/td\u003e\n\u003ctd\u003e1.8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e76 × 2.0 mm\u003c\/td\u003e\n\u003ctd\u003e76\u003c\/td\u003e\n\u003ctd\u003e2.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e80 × 2.0 mm\u003c\/td\u003e\n\u003ctd\u003e80\u003c\/td\u003e\n\u003ctd\u003e2.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e89 × 2.3 mm\u003c\/td\u003e\n\u003ctd\u003e89\u003c\/td\u003e\n\u003ctd\u003e2.3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e108 × 2.8 mm\u003c\/td\u003e\n\u003ctd\u003e108\u003c\/td\u003e\n\u003ctd\u003e2.8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e133 × 3.0 mm\u003c\/td\u003e\n\u003ctd\u003e133\u003c\/td\u003e\n\u003ctd\u003e3.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003eAll measurements are in millimeters. The first number identifies the listed connection size, and the second identifies the wall thickness. These values are not the elbow’s overall length or bend radius.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eApplications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRefrigeration and air-conditioning copper pipework.\u003c\/li\u003e\n\u003cli\u003eCold room and commercial refrigeration installations.\u003c\/li\u003e\n\u003cli\u003ePipe routing requiring a 45-degree change in direction.\u003c\/li\u003e\n\u003cli\u003eOffset arrangements using compatible fittings and tubing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eChoosing the Correct Elbow\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eMatch the listed connection size and wall thickness to your piping specification. Retain the exact sizes shown: for example, 50 and 51 mm are separate variants. Confirm socket fit and installation dimensions for the selected fitting before ordering.\u003c\/p\u003e\n\u003cp\u003eSelect 45-degree or 90-degree elbows according to the required pipe route. They provide different changes in direction and should be selected to match the installation drawing.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eInstallation\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eHave a qualified installer confirm the jointing method and suitability for the system’s pressure, temperature and refrigerant. Prepare and join the tubing according to the installation procedure, then test the completed pipework before commissioning.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRequest a Quote\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eSend your required size × wall thickness, quantity and delivery destination. Include any installation drawing or dimensional requirements so the correct fitting can be checked.\u003c\/p\u003e","brand":"HENGSEN","offers":[{"title":"16 × 0.8 mm","offer_id":44260452466747,"sku":null,"price":1.0,"currency_code":"USD","in_stock":true},{"title":"19 × 0.9 mm","offer_id":44260452499515,"sku":null,"price":1.0,"currency_code":"USD","in_stock":true},{"title":"22.23 × 1.0 mm","offer_id":44260452532283,"sku":null,"price":1.0,"currency_code":"USD","in_stock":true},{"title":"25.4 × 1.1 mm","offer_id":44260452565051,"sku":null,"price":2.0,"currency_code":"USD","in_stock":true},{"title":"28.58 × 1.1 mm","offer_id":44260452597819,"sku":null,"price":2.0,"currency_code":"USD","in_stock":true},{"title":"32 × 1.2 mm","offer_id":44260452630587,"sku":null,"price":2.0,"currency_code":"USD","in_stock":true},{"title":"35 × 1.3 mm","offer_id":44260452663355,"sku":null,"price":3.0,"currency_code":"USD","in_stock":true},{"title":"38 × 1.4 mm","offer_id":44260452696123,"sku":null,"price":3.0,"currency_code":"USD","in_stock":true},{"title":"42 × 1.5 mm","offer_id":44260452728891,"sku":null,"price":4.0,"currency_code":"USD","in_stock":true},{"title":"45 × 1.7 mm","offer_id":44260452761659,"sku":null,"price":5.0,"currency_code":"USD","in_stock":true},{"title":"50 × 1.7 mm","offer_id":44260452794427,"sku":null,"price":6.0,"currency_code":"USD","in_stock":true},{"title":"51 × 1.7 mm","offer_id":44260452827195,"sku":null,"price":6.0,"currency_code":"USD","in_stock":true},{"title":"54 × 1.7 mm","offer_id":44260452859963,"sku":null,"price":7.0,"currency_code":"USD","in_stock":true},{"title":"67 × 1.8 mm","offer_id":44260452892731,"sku":null,"price":11.0,"currency_code":"USD","in_stock":true},{"title":"76 × 2.0 mm","offer_id":44260452925499,"sku":null,"price":14.0,"currency_code":"USD","in_stock":true},{"title":"80 × 2.0 mm","offer_id":44260452958267,"sku":null,"price":16.0,"currency_code":"USD","in_stock":true},{"title":"89 × 2.3 mm","offer_id":44260452991035,"sku":null,"price":25.0,"currency_code":"USD","in_stock":true},{"title":"108 × 2.8 mm","offer_id":44260453023803,"sku":null,"price":39.0,"currency_code":"USD","in_stock":true},{"title":"133 × 3.0 mm","offer_id":44260453056571,"sku":null,"price":89.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0683\/8920\/8123\/files\/Codex_2026_9_22_09_42_19.png?v=1790041357"},{"product_id":"hengsen-180-degree-copper-return-bends","title":"HENGSEN 180° Copper Return Bend - Socket Ends","description":"\u003cp\u003e\u003cstrong\u003eDescription — 以下内容可直接复制\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eHENGSEN 180° Copper Return Bends, also known as copper U-bends, connect two parallel runs of compatible copper tubing through a 180-degree turn. Their U-shaped profile is designed for refrigeration and air-conditioning pipework that requires a return connection.\u003c\/p\u003e\n\u003cp\u003eThis range includes 21 size options from 8 to 67 mm, with wall thicknesses from 0.8 to 1.8 mm depending on the selected size. Each variant combines a specific connection size and wall thickness, making selection straightforward for new installations and replacement work.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e180-degree return connection:\u003c\/strong\u003e A U-shaped bend for reversing the direction of a copper pipe run.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCopper construction:\u003c\/strong\u003e For connection to compatible copper tubing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEqual-size socket ends:\u003c\/strong\u003e Both ends use the same listed connection size.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e21 size options:\u003c\/strong\u003e Choose from sizes ranging from 8 to 67 mm.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClearly specified wall thickness:\u003c\/strong\u003e Each variant identifies its size and corresponding wall thickness.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eItem\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eHENGSEN\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003e180° Copper Return Bend\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAlternative Name\u003c\/td\u003e\n\u003ctd\u003eCopper U-Bend\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eCopper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBend Angle\u003c\/td\u003e\n\u003ctd\u003e180°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFitting Configuration\u003c\/td\u003e\n\u003ctd\u003eEqual Return Bend\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnection Style\u003c\/td\u003e\n\u003ctd\u003eSocket × Socket\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eListed Connection Size Range\u003c\/td\u003e\n\u003ctd\u003e8–67 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWall Thickness Range\u003c\/td\u003e\n\u003ctd\u003e0.8–1.8 mm, depending on size\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAvailable Variants\u003c\/td\u003e\n\u003ctd\u003e21\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpecification Format\u003c\/td\u003e\n\u003ctd\u003eConnection Size × Wall Thickness\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003eAvailable Sizes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSize × Wall Thickness\u003c\/th\u003e\n\u003cth\u003eListed Connection Size (mm)\u003c\/th\u003e\n\u003cth\u003eWall Thickness (mm)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e8 × 0.8 mm\u003c\/td\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003ctd\u003e0.8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e10 × 0.8 mm\u003c\/td\u003e\n\u003ctd\u003e10\u003c\/td\u003e\n\u003ctd\u003e0.8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e12 × 0.8 mm\u003c\/td\u003e\n\u003ctd\u003e12\u003c\/td\u003e\n\u003ctd\u003e0.8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e12.7 × 0.8 mm\u003c\/td\u003e\n\u003ctd\u003e12.7\u003c\/td\u003e\n\u003ctd\u003e0.8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e16 × 1.0 mm\u003c\/td\u003e\n\u003ctd\u003e16\u003c\/td\u003e\n\u003ctd\u003e1.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e19 × 1.0 mm\u003c\/td\u003e\n\u003ctd\u003e19\u003c\/td\u003e\n\u003ctd\u003e1.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e22 × 1.0 mm\u003c\/td\u003e\n\u003ctd\u003e22\u003c\/td\u003e\n\u003ctd\u003e1.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e22.23 × 1.0 mm\u003c\/td\u003e\n\u003ctd\u003e22.23\u003c\/td\u003e\n\u003ctd\u003e1.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e25 × 1.1 mm\u003c\/td\u003e\n\u003ctd\u003e25\u003c\/td\u003e\n\u003ctd\u003e1.1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e25.4 × 1.1 mm\u003c\/td\u003e\n\u003ctd\u003e25.4\u003c\/td\u003e\n\u003ctd\u003e1.1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e28 × 1.1 mm\u003c\/td\u003e\n\u003ctd\u003e28\u003c\/td\u003e\n\u003ctd\u003e1.1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e28.58 × 1.1 mm\u003c\/td\u003e\n\u003ctd\u003e28.58\u003c\/td\u003e\n\u003ctd\u003e1.1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e32 × 1.3 mm\u003c\/td\u003e\n\u003ctd\u003e32\u003c\/td\u003e\n\u003ctd\u003e1.3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e35 × 1.3 mm\u003c\/td\u003e\n\u003ctd\u003e35\u003c\/td\u003e\n\u003ctd\u003e1.3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e38 × 1.4 mm\u003c\/td\u003e\n\u003ctd\u003e38\u003c\/td\u003e\n\u003ctd\u003e1.4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e41.28 × 1.5 mm\u003c\/td\u003e\n\u003ctd\u003e41.28\u003c\/td\u003e\n\u003ctd\u003e1.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e42 × 1.5 mm\u003c\/td\u003e\n\u003ctd\u003e42\u003c\/td\u003e\n\u003ctd\u003e1.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e45 × 1.5 mm\u003c\/td\u003e\n\u003ctd\u003e45\u003c\/td\u003e\n\u003ctd\u003e1.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e51 × 1.7 mm\u003c\/td\u003e\n\u003ctd\u003e51\u003c\/td\u003e\n\u003ctd\u003e1.7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e54 × 1.7 mm\u003c\/td\u003e\n\u003ctd\u003e54\u003c\/td\u003e\n\u003ctd\u003e1.7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e67 × 1.8 mm\u003c\/td\u003e\n\u003ctd\u003e67\u003c\/td\u003e\n\u003ctd\u003e1.8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003eAll measurements are in millimeters. The first number identifies the listed connection size, and the second identifies the wall thickness. These values are not the distance between the two ends, the overall dimensions or the bend radius.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eApplications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRefrigeration and air-conditioning copper pipework.\u003c\/li\u003e\n\u003cli\u003eCold room and commercial refrigeration installations.\u003c\/li\u003e\n\u003cli\u003eReturn connections between compatible parallel copper tubes.\u003c\/li\u003e\n\u003cli\u003eReplacement of existing U-bends with matching size and dimensional requirements.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eChoosing the Correct Return Bend\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eMatch the connection size and wall thickness to your piping specification. Sizes such as 22 and 22.23 mm, 25 and 25.4 mm, or 41.28 and 42 mm are separate options and should not be treated as interchangeable without checking the fit.\u003c\/p\u003e\n\u003cp\u003eFor a return bend, the distance between the two tube centerlines is also important. Confirm socket fit, center-to-center spacing and overall dimensions for your selected size before ordering, particularly when replacing a fitting between fixed tube ends.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eInstallation\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eHave a qualified installer confirm the jointing method and suitability for the system’s pressure, temperature and refrigerant. Prepare and join the tubing according to the installation procedure, then test the completed pipework before commissioning.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRequest a Quote\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eSend your required size × wall thickness, quantity and delivery destination. Include the required center-to-center spacing or an installation drawing so the correct return bend can be checked.\u003c\/p\u003e","brand":"HENGSEN","offers":[{"title":"8 × 0.8 mm","offer_id":44261334745147,"sku":null,"price":1.0,"currency_code":"USD","in_stock":true},{"title":"10 × 0.8 mm","offer_id":44261334777915,"sku":null,"price":1.0,"currency_code":"USD","in_stock":true},{"title":"12 × 0.8 mm","offer_id":44261334810683,"sku":null,"price":1.0,"currency_code":"USD","in_stock":true},{"title":"12.7 × 0.8 mm","offer_id":44261334843451,"sku":null,"price":1.0,"currency_code":"USD","in_stock":true},{"title":"16 × 1.0 mm","offer_id":44261334876219,"sku":null,"price":2.0,"currency_code":"USD","in_stock":true},{"title":"19 × 1.0 mm","offer_id":44261334908987,"sku":null,"price":2.0,"currency_code":"USD","in_stock":true},{"title":"22 × 1.0 mm","offer_id":44261334941755,"sku":null,"price":3.0,"currency_code":"USD","in_stock":true},{"title":"22.23 × 1.0 mm","offer_id":44261334974523,"sku":null,"price":3.0,"currency_code":"USD","in_stock":true},{"title":"25 × 1.1 mm","offer_id":44261335007291,"sku":null,"price":3.0,"currency_code":"USD","in_stock":true},{"title":"25.4 × 1.1 mm","offer_id":44261335040059,"sku":null,"price":3.0,"currency_code":"USD","in_stock":true},{"title":"28 × 1.1 mm","offer_id":44261335072827,"sku":null,"price":4.0,"currency_code":"USD","in_stock":true},{"title":"28.58 × 1.1 mm","offer_id":44261335105595,"sku":null,"price":4.0,"currency_code":"USD","in_stock":true},{"title":"32 × 1.3 mm","offer_id":44261335138363,"sku":null,"price":6.0,"currency_code":"USD","in_stock":true},{"title":"35 × 1.3 mm","offer_id":44261335171131,"sku":null,"price":7.0,"currency_code":"USD","in_stock":true},{"title":"38 × 1.4 mm","offer_id":44261335203899,"sku":null,"price":9.0,"currency_code":"USD","in_stock":true},{"title":"41.28 × 1.5 mm","offer_id":44261335236667,"sku":null,"price":10.0,"currency_code":"USD","in_stock":true},{"title":"42 × 1.5 mm","offer_id":44261335269435,"sku":null,"price":10.0,"currency_code":"USD","in_stock":true},{"title":"45 × 1.5 mm","offer_id":44261335302203,"sku":null,"price":11.0,"currency_code":"USD","in_stock":true},{"title":"51 × 1.7 mm","offer_id":44261335334971,"sku":null,"price":18.0,"currency_code":"USD","in_stock":true},{"title":"54 × 1.7 mm","offer_id":44261335367739,"sku":null,"price":19.0,"currency_code":"USD","in_stock":true},{"title":"67 × 1.8 mm","offer_id":44261335400507,"sku":null,"price":31.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0683\/8920\/8123\/files\/Codex_2026_9_22_10_24_50.png?v=1790043913"},{"product_id":"hengsen-standard-wall-copper-straight-couplings","title":"HENGSEN Standard-Wall Copper Straight Couplings | 6.35–133 mm","description":"\u003cp\u003e\u003cstrong\u003eDescription\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eHENGSEN Standard-Wall Copper Straight Couplings join two compatible copper tubes of the same size in a straight line. Their equal-size socket connections are designed for refrigeration and air-conditioning pipework where an inline connection is required.\u003c\/p\u003e\n\u003cp\u003eThis range includes 29 size options from 6.35 to 133 mm, with wall thicknesses from 0.8 to 3.0 mm depending on the selected size. Each variant pairs a listed connection size with its corresponding wall thickness for straightforward selection during installation, pipe extensions and replacement work.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eStraight inline connection:\u003c\/strong\u003e Joins two aligned copper tube ends.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEqual-size sockets:\u003c\/strong\u003e The same listed connection size at both ends.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCopper construction:\u003c\/strong\u003e For connection to compatible copper tubing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e29 size options:\u003c\/strong\u003e Sizes from 6.35 to 133 mm in one product range.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClearly specified wall thickness:\u003c\/strong\u003e Each variant identifies its size and corresponding wall thickness.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eItem\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eHENGSEN\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eCopper Straight Coupling\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eStandard Wall\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eCopper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFitting Configuration\u003c\/td\u003e\n\u003ctd\u003eEqual Straight Coupling\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnection Style\u003c\/td\u003e\n\u003ctd\u003eSocket × Socket\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eListed Connection Size Range\u003c\/td\u003e\n\u003ctd\u003e6.35–133 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWall Thickness Range\u003c\/td\u003e\n\u003ctd\u003e0.8–3.0 mm, depending on size\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAvailable Variants\u003c\/td\u003e\n\u003ctd\u003e29\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpecification Format\u003c\/td\u003e\n\u003ctd\u003eConnection Size × Wall Thickness\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003eAvailable Sizes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSize × Wall Thickness\u003c\/th\u003e\n\u003cth\u003eListed Connection Size (mm)\u003c\/th\u003e\n\u003cth\u003eWall Thickness (mm)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e6.35 × 0.8 mm\u003c\/td\u003e\n\u003ctd\u003e6.35\u003c\/td\u003e\n\u003ctd\u003e0.8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e8 × 0.9 mm\u003c\/td\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003ctd\u003e0.9\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e10 × 0.9 mm\u003c\/td\u003e\n\u003ctd\u003e10\u003c\/td\u003e\n\u003ctd\u003e0.9\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e12 × 0.9 mm\u003c\/td\u003e\n\u003ctd\u003e12\u003c\/td\u003e\n\u003ctd\u003e0.9\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e12.7 × 0.9 mm\u003c\/td\u003e\n\u003ctd\u003e12.7\u003c\/td\u003e\n\u003ctd\u003e0.9\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e15.88 × 0.9 mm\u003c\/td\u003e\n\u003ctd\u003e15.88\u003c\/td\u003e\n\u003ctd\u003e0.9\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e16 × 0.9 mm\u003c\/td\u003e\n\u003ctd\u003e16\u003c\/td\u003e\n\u003ctd\u003e0.9\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e19 × 0.9 mm\u003c\/td\u003e\n\u003ctd\u003e19\u003c\/td\u003e\n\u003ctd\u003e0.9\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e22 × 1.0 mm\u003c\/td\u003e\n\u003ctd\u003e22\u003c\/td\u003e\n\u003ctd\u003e1.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e22.23 × 1.0 mm\u003c\/td\u003e\n\u003ctd\u003e22.23\u003c\/td\u003e\n\u003ctd\u003e1.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e25 × 1.0 mm\u003c\/td\u003e\n\u003ctd\u003e25\u003c\/td\u003e\n\u003ctd\u003e1.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e25.4 × 1.0 mm\u003c\/td\u003e\n\u003ctd\u003e25.4\u003c\/td\u003e\n\u003ctd\u003e1.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e28 × 1.0 mm\u003c\/td\u003e\n\u003ctd\u003e28\u003c\/td\u003e\n\u003ctd\u003e1.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e28.58 × 1.0 mm\u003c\/td\u003e\n\u003ctd\u003e28.58\u003c\/td\u003e\n\u003ctd\u003e1.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e32 × 1.3 mm\u003c\/td\u003e\n\u003ctd\u003e32\u003c\/td\u003e\n\u003ctd\u003e1.3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e35 × 1.3 mm\u003c\/td\u003e\n\u003ctd\u003e35\u003c\/td\u003e\n\u003ctd\u003e1.3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e38 × 1.4 mm\u003c\/td\u003e\n\u003ctd\u003e38\u003c\/td\u003e\n\u003ctd\u003e1.4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e41.28 × 1.4 mm\u003c\/td\u003e\n\u003ctd\u003e41.28\u003c\/td\u003e\n\u003ctd\u003e1.4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e42 × 1.4 mm\u003c\/td\u003e\n\u003ctd\u003e42\u003c\/td\u003e\n\u003ctd\u003e1.4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e45 × 1.5 mm\u003c\/td\u003e\n\u003ctd\u003e45\u003c\/td\u003e\n\u003ctd\u003e1.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e50 × 1.7 mm\u003c\/td\u003e\n\u003ctd\u003e50\u003c\/td\u003e\n\u003ctd\u003e1.7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e51 × 1.7 mm\u003c\/td\u003e\n\u003ctd\u003e51\u003c\/td\u003e\n\u003ctd\u003e1.7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e54 × 1.8 mm\u003c\/td\u003e\n\u003ctd\u003e54\u003c\/td\u003e\n\u003ctd\u003e1.8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e67 × 1.8 mm\u003c\/td\u003e\n\u003ctd\u003e67\u003c\/td\u003e\n\u003ctd\u003e1.8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e76 × 1.8 mm\u003c\/td\u003e\n\u003ctd\u003e76\u003c\/td\u003e\n\u003ctd\u003e1.8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e80 × 2.2 mm\u003c\/td\u003e\n\u003ctd\u003e80\u003c\/td\u003e\n\u003ctd\u003e2.2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e89 × 2.3 mm\u003c\/td\u003e\n\u003ctd\u003e89\u003c\/td\u003e\n\u003ctd\u003e2.3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e108 × 2.4 mm\u003c\/td\u003e\n\u003ctd\u003e108\u003c\/td\u003e\n\u003ctd\u003e2.4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e133 × 3.0 mm\u003c\/td\u003e\n\u003ctd\u003e133\u003c\/td\u003e\n\u003ctd\u003e3.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003eAll measurements are in millimeters. The first number identifies the listed connection size, and the second identifies the wall thickness. These values do not indicate the coupling’s overall length or socket depth.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eApplications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRefrigeration and air-conditioning copper pipework.\u003c\/li\u003e\n\u003cli\u003eCold room and commercial refrigeration installations.\u003c\/li\u003e\n\u003cli\u003eStraight connections between copper tubes of the same size.\u003c\/li\u003e\n\u003cli\u003ePipe extensions and replacement of matching inline fittings.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eChoosing the Correct Coupling\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eSelect the exact connection size and wall thickness required by your piping specification. Sizes such as 15.88 and 16 mm, 22 and 22.23 mm, 41.28 and 42 mm, or 50 and 51 mm are separate variants and should not be treated as interchangeable without checking the fit.\u003c\/p\u003e\n\u003cp\u003eConfirm socket fit, insertion depth and overall length for the selected coupling, especially when working between fixed pipe ends. This standard-wall range uses different wall thicknesses according to size; refer to the table for the individual specification.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eInstallation\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eHave a qualified installer confirm the jointing method and suitability for the system’s pressure, temperature and refrigerant. Prepare and join the tubing according to the installation procedure, then test the completed pipework before commissioning.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRequest a Quote\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eSend your required size × wall thickness, quantity and delivery destination. 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