{"product_id":"stf-nrf-hw100-r22-thermostatic-expansion-valve","title":"STF NRF HW100 R22 Internally Equalized Thermostatic Expansion Valve","description":"\u003cp\u003e\u003cstrong\u003eDescription\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe STF NRF HW100 Series thermostatic expansion valves regulate liquid refrigerant flow into the evaporator while maintaining stable superheat under changing refrigeration loads.\u003c\/p\u003e\n\u003cp\u003eThese internally equalized R22 valves are suitable for refrigeration, freezing, air-conditioning, commercial refrigeration and transport refrigeration systems. They feature adjustable static superheat, SAE external-thread connections and a replaceable inlet strainer.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned for R22 refrigeration systems\u003c\/li\u003e\n\u003cli\u003eInternally equalized configuration\u003c\/li\u003e\n\u003cli\u003eStable and adjustable superheat control\u003c\/li\u003e\n\u003cli\u003eFactory static superheat setting: 3.5 K\u003c\/li\u003e\n\u003cli\u003eStatic superheat adjustment range: 2–8 K\u003c\/li\u003e\n\u003cli\u003eEvaporating temperature range: -40°C to +10°C\u003c\/li\u003e\n\u003cli\u003eSafe working pressure: 3.0 MPa\u003c\/li\u003e\n\u003cli\u003eMaximum sensing-bulb temperature: 75°C\u003c\/li\u003e\n\u003cli\u003eCapillary tube length: 1 m\u003c\/li\u003e\n\u003cli\u003eSAE external-thread connections\u003c\/li\u003e\n\u003cli\u003eReplaceable inlet strainer\u003c\/li\u003e\n\u003cli\u003eMOP configurations available\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\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\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\u003eSTF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eShanghai Thermostat Factory Co., Ltd.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eNRF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eThermostatic Expansion Valve\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRefrigerant\u003c\/td\u003e\n\u003ctd\u003eR22\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEqualization\u003c\/td\u003e\n\u003ctd\u003eInternal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThermostatic Charge\u003c\/td\u003e\n\u003ctd\u003eHW100\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEvaporating Temperature Range\u003c\/td\u003e\n\u003ctd\u003e-40°C to +10°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSafe Working Pressure\u003c\/td\u003e\n\u003ctd\u003e3.0 MPa\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Bulb Temperature\u003c\/td\u003e\n\u003ctd\u003e75°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCapillary Tube Length\u003c\/td\u003e\n\u003ctd\u003e1 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnection Type\u003c\/td\u003e\n\u003ctd\u003eSAE External Thread\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFactory Static Superheat\u003c\/td\u003e\n\u003ctd\u003e3.5 K\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStatic Superheat Adjustment Range\u003c\/td\u003e\n\u003ctd\u003e2–8 K\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInlet Strainer\u003c\/td\u003e\n\u003ctd\u003eReplaceable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003eModel and Nominal Capacity\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eNominal Capacity\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eNRF1-1\/2HW100\u003c\/td\u003e\n\u003ctd\u003e1.5 TR \/ 5.28 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNRF2HW100\u003c\/td\u003e\n\u003ctd\u003e2 TR \/ 7.04 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNRF3HW100\u003c\/td\u003e\n\u003ctd\u003e3 TR \/ 10.56 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNRF4HW100\u003c\/td\u003e\n\u003ctd\u003e4 TR \/ 14.08 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNRF5HW100\u003c\/td\u003e\n\u003ctd\u003e5 TR \/ 17.60 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNRF6HW100\u003c\/td\u003e\n\u003ctd\u003e6 TR \/ 21.12 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNRF7-1\/2HW100\u003c\/td\u003e\n\u003ctd\u003e7.5 TR \/ 26.40 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNRF12HW100\u003c\/td\u003e\n\u003ctd\u003e12 TR \/ 42.24 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\u003cp\u003e\u003cstrong\u003eSelection Notice\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003ePlease verify the refrigerant, cooling capacity, evaporating temperature, condensing temperature, liquid subcooling, pressure drop, MOP requirement and connection size before ordering.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"STF","offers":[{"title":"NRF1-1\/2HW100","offer_id":43911056228411,"sku":null,"price":24.0,"currency_code":"USD","in_stock":true},{"title":"NRF2HW100","offer_id":43911056261179,"sku":null,"price":24.0,"currency_code":"USD","in_stock":true},{"title":"NRF3HW100","offer_id":43911056293947,"sku":null,"price":24.0,"currency_code":"USD","in_stock":true},{"title":"NRF4HW100","offer_id":43911056326715,"sku":null,"price":24.0,"currency_code":"USD","in_stock":true},{"title":"NRF5HW100","offer_id":43911056359483,"sku":null,"price":27.0,"currency_code":"USD","in_stock":true},{"title":"NRF6HW100","offer_id":43911056392251,"sku":null,"price":27.0,"currency_code":"USD","in_stock":true},{"title":"NRF7-1\/2HW100","offer_id":43911056425019,"sku":null,"price":28.0,"currency_code":"USD","in_stock":true},{"title":"NRF12HW100","offer_id":43911056457787,"sku":null,"price":33.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0683\/8920\/8123\/files\/2026-08-10_131804_504.png?v=1786342083","url":"https:\/\/xiaxuecoldroom.com\/products\/stf-nrf-hw100-r22-thermostatic-expansion-valve","provider":"XIAXUE 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