Product Description Specifications Water pressure Control Valve For HVAC is usually installed on the inlet of condenser, which can regulate the flow of cooling wat

Specifications   Water pressure control valve For HVAC : 
1.steadly work under winter 
2.used in hot gas defrosting 
3.protect condenser 

  Pressure Controlled Water Valve :
pressure controlled water valve  can be used in condenser or air-conditioning unit to maintain pressure of constant condenser and liquid receiver. It can apply to the change of outdoors, control the pressure, prevent pressure drop in winter, steady working all years. Also, it keeps the right inlet pressure of Expansion Valves, prevent the decrease in cold. Otherwise, it can be used in hot gas defrosting. Type and data

Symbol	Model	Condenser side				Liquid side			Factory setting opening pressure (MPa)	Kv value m3/h
		Refrigerant	Adjusting range (MPa)	Max. working pressure (MPa)	Max. testing pressure (MPa)	Medium	Max. working pressure (MPa)	Max. Medium temp. (.C)
Low pressure	PWV3/8	R134a, R22,R407C R404A/507	0.5→1.8	2	2.4	Fresh water	1	60	0.75	0.8
	PWV1/2									2.5
	PWV3/4									3.2
	PWV1									5.0
High  pressure	PWV3/8G		0.7→2.3	2.6	3				2	0.8
	PWV1/2G									2.5
	PWV3/4G									3.2
	PWV1G									5.0
	PWV1-1/4G		0.5→1.6	2.4	2.6				1.4	8.0
	PWV1-1/2G									10.0
Kv value is the flow of water in m3/h at a pressure drop across valve of 0.1 MPa,ρ= 1000 kg/m3.

Connection

Model	Condenser side	Liquid side
			PWV3/8 PWV3/8G	1/4 flare 7/16"-20UNF nut	3/8" flare
PWV1/2 PWV1/2G	1/4 flare 7/16"-20UNF nut	G1/2
PWV3/4 PWV3/4G	1/4 flare 7/16"-20UNF nut	G3/4
PWV1 PWV1G	1/4 flare 7/16"-20UNF nut	G1

 

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Product Categories : Pressure Controls Valves