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antifreezing  constant pressure release valve,  constant pressure release valve, control valve

oil valve, valve used in oil

1. anti-freeze
2. we can design the valve according to the situation in your oil well

3.exactly pressure and external adjust is easy
4.high-pressure hose connect flexible

5.save much natural gas

technical parameter:

1. specification: P_N25MPa ,  D_N65mm

 2. pressure level: 0.5-2.5 MPa,  the spring steel wire of correspondence's diameter is 2.5mm

3. precision of the voltage:  ±0.5%

4. the max discharge quantity:  <P*10⁵m³/d,P is casing pressure

5. the environment temporature : >-40 ⁰C

6. the length of the release  : 2.5-5m 

7. save much natural gas

8. casing gas recovery