Series of One-way valves

Series of One-way valves



One-way valves:
It is mainly used for air-condition, refrigerating machine and so on refrigeration system. When the system is refrigeration, it is expedite in the same direction, on the contrary, it is throttled in reverse, so improve the ability of heatting machine and so on refrigeration system. When the compre-ssor stopped, it can prevent the refrigerating fluid to flow back and when heating, it can incr-ease the flow of freezing medium and raise heat efficiency.

Main technical parameters

Test pressure of pressure withstand 4.5MPa 
Test pressure of airtight 3MPa 
Leakage amount at counterclockwise direction 
Under 1Mpa air pressure, less than 300ml/min
Temperature of operation -30℃~120℃
Suitable medium R12、R22、R407c、R134a、R410a
Pressure difference opening at clockwise direction 0.01MPa

Model

Clear opening

Pipe of valve body

Length of valve body

Capillary OD.

Capillary length

DXF-3.1Q

Ø3.1

Ø10×0.75

100±1

Ø3/Ø4

200-700

DXF-3.1Z

Ø3.1

Ø10×0.75

100±1

Ø3/Ø4

200-700

DXF-3.1F

Ø3.1

Ø10×0.75

100±1

Ø3/Ø4

200-700

DXF-5Z

Ø5

Ø12(14)×0.75

120±1

Ø4

200-400

DXF-5F

Ø5

Ø12(14)×0.75

120±1

Ø4

200-400

DXF-8F

Ø8

Ø19×0.75

120±1

Ø4

200-400

Note

The quantity and diameter of inlet and outlet and the form of valve of sheath and drift diameter can be manufactured in accordance with the requirements of customers.

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