{"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","url":"https:\/\/xiaxuecoldroom.com\/products\/hengsen-180-degree-copper-return-bends","provider":"XIAXUE Refrigeration","version":"1.0","type":"link"}