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Model QRF134aW Thermall Expansion Value

产品详情

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·QRF134aW expansion valve is used to regulate the supply of liquid refrigerant in the evaporator

·The QRF134aW expansion valve has a bidirectional throttling function and is widely used in heat pumps and automotive air conditioning refrigeration systems



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RefrigerantModelPressure BalanceThread(Connection Size)Nominal Refrigerating Capacity
InletOutletOutside Balanced EndTRKW
R134aQRF134aW-2.5-3-4Outside Balanced End3/8SAE1/2SAE1/4SAE2.58
QRF134aW-3.5-3-43.512
QRF134aW-4.5-5-65/8SAE3/4SAE4.517
QRF134aW-7-5-6724
QRF134aW-10-5-61037


·The working condition of nominal refrigerating capacity is: evaporating temperature 5; condensing temperature 35; superheating degree 3.5; supercooling degree 4

·Other refrigerants can be customized based on clients' requirements


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Applicable Refrigerants:R134a
Applicable Medium Temperature:-30℃~+10℃
Maximum Working Pressure:2.0MPa
Maximum Testing Pressure:3.0MPa
Adjustable Range of Superheat:2℃~8℃




· Capillary length of QRFW-type thermostatic expansion valve:1.5m in atandard; under special situation,it can be customized based on clients' requirements.


天铁.jpg1、gas tank head piece; 2、dust cap; 3、valve body; 4、value element(1#~6#); 5、regulating spring; 6、adjustment nut;   7、adjustment seat;   8、valve stem;   9、valve bonnet;   10、O-type ring;   11、gasket; 12、gasket; 13、dust cap; 14、drive rod; 15、dust cap; 16、label; 17、nut; 18、bolt; 19、hoop

Contact Email hongsen6@zjhsjx.com Contact Us 0575-87696107 Contact address: Refrigeration Industrial Park, Diankou Town, Zhuji City, Zhejiang Province Fax 0575-87698985

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