{"product_id":"hongsen-th-thw-thermostatic-expansion-valve-bodies","title":"HONGSEN TH and THW Thermostatic Expansion Valve Bodies Without Orifice","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003ch4\u003eProduct Overview\u003c\/h4\u003e\n\u003cp\u003eHONGSEN TH and THW Series thermostatic expansion valves are designed to regulate the flow of liquid refrigerant into dry-expansion evaporators according to the refrigerant superheat.\u003c\/p\u003e\n\u003cp\u003eThe series features a replaceable orifice design, allowing one valve body to be matched with different orifice sizes according to the refrigerant, cooling capacity and operating conditions.\u003c\/p\u003e\n\u003cp\u003eTH models use internal pressure equalization, while THW models use external pressure equalization. Valve bodies are available for R22, R134a and R404A refrigeration systems.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e These variants are supplied as valve bodies only. The No. 1 to No. 6 replaceable orifice assembly must be selected and ordered separately.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eThermostatic refrigerant flow control\u003c\/li\u003e\n\u003cli\u003eDesigned for dry-expansion evaporators\u003c\/li\u003e\n\u003cli\u003eReplaceable orifice construction\u003c\/li\u003e\n\u003cli\u003eInternal or external equalization options\u003c\/li\u003e\n\u003cli\u003eAdjustable superheat setting\u003c\/li\u003e\n\u003cli\u003eStandard 1.5 m capillary tube\u003c\/li\u003e\n\u003cli\u003eSAE threaded refrigerant connections\u003c\/li\u003e\n\u003cli\u003eModels available for R22, R134a and R404A\u003c\/li\u003e\n\u003cli\u003eDifferent capacities available by changing the orifice\u003c\/li\u003e\n\u003cli\u003eSpecial capillary lengths available on request\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\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\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eThermostatic Expansion Valve Body\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRefrigerants\u003c\/td\u003e\n\u003ctd\u003eR22, R134a, R404A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInlet Connection\u003c\/td\u003e\n\u003ctd\u003e3\/8 in SAE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutlet Connection\u003c\/td\u003e\n\u003ctd\u003e1\/2 in SAE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExternal Equalizer Connection\u003c\/td\u003e\n\u003ctd\u003e1\/4 in SAE on THW models\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSuperheat Adjustment Range\u003c\/td\u003e\n\u003ctd\u003e2–8 K\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFactory Static Superheat Setting\u003c\/td\u003e\n\u003ctd\u003e3.5 K\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Working Pressure\u003c\/td\u003e\n\u003ctd\u003e2.0 MPa\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Test Pressure\u003c\/td\u003e\n\u003ctd\u003e3.0 MPa\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStandard Capillary Length\u003c\/td\u003e\n\u003ctd\u003e1.5 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrifice\u003c\/td\u003e\n\u003ctd\u003eReplaceable; sold separately\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAvailable Orifice Sizes\u003c\/td\u003e\n\u003ctd\u003eNo. 1 to No. 6\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\u003ch3\u003eRefrigerant Temperature Range\u003c\/h3\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eRefrigerant\u003c\/th\u003e\n\u003cth\u003eApplicable Refrigerant Temperature\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eR22\u003c\/td\u003e\n\u003ctd\u003e−40°C to +10°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eR134a\u003c\/td\u003e\n\u003ctd\u003e−30°C to +10°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eR404A\u003c\/td\u003e\n\u003ctd\u003e−40°C to +10°C\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\u003ch3\u003eAvailable Valve Body Variants\u003c\/h3\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\u003eStock No.\u003c\/th\u003e\n\u003cth\u003eRefrigerant\u003c\/th\u003e\n\u003cth\u003eEqualization\u003c\/th\u003e\n\u003cth\u003eConnections\u003c\/th\u003e\n\u003cth\u003eNominal Capacity Range\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eTH22-00\u003c\/td\u003e\n\u003ctd\u003e01.32.237\u003c\/td\u003e\n\u003ctd\u003eR22\u003c\/td\u003e\n\u003ctd\u003eInternal\u003c\/td\u003e\n\u003ctd\u003e3\/8 in × 1\/2 in SAE\u003c\/td\u003e\n\u003ctd\u003e0.7–4.5 TR \/ 2.5–15.5 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTH22W-00\u003c\/td\u003e\n\u003ctd\u003e01.32.252\u003c\/td\u003e\n\u003ctd\u003eR22\u003c\/td\u003e\n\u003ctd\u003eExternal\u003c\/td\u003e\n\u003ctd\u003e3\/8 in × 1\/2 in × 1\/4 in SAE\u003c\/td\u003e\n\u003ctd\u003e0.7–4.5 TR \/ 2.5–15.5 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTH134-00\u003c\/td\u003e\n\u003ctd\u003e01.32.254\u003c\/td\u003e\n\u003ctd\u003eR134a\u003c\/td\u003e\n\u003ctd\u003eInternal\u003c\/td\u003e\n\u003ctd\u003e3\/8 in × 1\/2 in SAE\u003c\/td\u003e\n\u003ctd\u003e0.5–3.0 TR \/ 1.8–10.5 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTH134W-00\u003c\/td\u003e\n\u003ctd\u003e01.32.253\u003c\/td\u003e\n\u003ctd\u003eR134a\u003c\/td\u003e\n\u003ctd\u003eExternal\u003c\/td\u003e\n\u003ctd\u003e3\/8 in × 1\/2 in × 1\/4 in SAE\u003c\/td\u003e\n\u003ctd\u003e0.5–3.0 TR \/ 1.8–10.5 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTH404-00\u003c\/td\u003e\n\u003ctd\u003e01.32.255\u003c\/td\u003e\n\u003ctd\u003eR404A\u003c\/td\u003e\n\u003ctd\u003eInternal\u003c\/td\u003e\n\u003ctd\u003e3\/8 in × 1\/2 in SAE\u003c\/td\u003e\n\u003ctd\u003e0.45–2.6 TR \/ 1.6–9.1 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTH404W-00\u003c\/td\u003e\n\u003ctd\u003e01.32.256\u003c\/td\u003e\n\u003ctd\u003eR404A\u003c\/td\u003e\n\u003ctd\u003eExternal\u003c\/td\u003e\n\u003ctd\u003e3\/8 in × 1\/2 in × 1\/4 in SAE\u003c\/td\u003e\n\u003ctd\u003e0.45–2.6 TR \/ 1.6–9.1 kW\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\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCold rooms and freezer rooms\u003c\/li\u003e\n\u003cli\u003eRefrigerated display equipment\u003c\/li\u003e\n\u003cli\u003eCommercial refrigeration systems\u003c\/li\u003e\n\u003cli\u003eDry-expansion evaporators\u003c\/li\u003e\n\u003cli\u003eFood storage and processing refrigeration\u003c\/li\u003e\n\u003cli\u003eRefrigeration equipment requiring adjustable superheat control\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSelection Information\u003c\/h3\u003e\n\u003cp\u003eBefore ordering, please confirm:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRefrigerant\u003c\/li\u003e\n\u003cli\u003eRequired cooling capacity\u003c\/li\u003e\n\u003cli\u003eEvaporating and condensing temperatures\u003c\/li\u003e\n\u003cli\u003eInternal or external equalization\u003c\/li\u003e\n\u003cli\u003eRequired orifice number\u003c\/li\u003e\n\u003cli\u003eConnection sizes\u003c\/li\u003e\n\u003cli\u003eRequired capillary length\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eNominal capacities are based on the manufacturer’s published rating conditions: 5°C evaporating temperature, 35°C condensing temperature, 3.5 K superheat and 4 K liquid subcooling. Actual capacity varies with system conditions.\u003c\/p\u003e","brand":"HONGSEN","offers":[{"title":"TH22-00","offer_id":44024151867451,"sku":null,"price":15.0,"currency_code":"USD","in_stock":true},{"title":"TH22W-00","offer_id":44024151900219,"sku":null,"price":15.0,"currency_code":"USD","in_stock":true},{"title":"TH134-00","offer_id":44024151932987,"sku":null,"price":15.0,"currency_code":"USD","in_stock":true},{"title":"TH134W-00","offer_id":44024151965755,"sku":null,"price":15.0,"currency_code":"USD","in_stock":true},{"title":"TH404-00","offer_id":44024151998523,"sku":null,"price":15.0,"currency_code":"USD","in_stock":true},{"title":"TH404W-00","offer_id":44024152031291,"sku":null,"price":15.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0683\/8920\/8123\/files\/2026-08-21_150602_250.png?v=1787295983","url":"https:\/\/xiaxuecoldroom.com\/products\/hongsen-th-thw-thermostatic-expansion-valve-bodies","provider":"XIAXUE Refrigeration","version":"1.0","type":"link"}