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PFF Series Gate Valve

 

Manual Gate Valve

Hydraulic Gate Valve

•  Full bore design eliminates efficiently pressure drop and vortex, eliminates washing by solids in fluid.
•  Mental-to-mental seal is used between bonnet and body, gate and seat, seat and body.
•  The surface of gate and seat is welding overlay with hard alloy, which has feature of corrosion resistance and washing resistance.
•  The balanced stem can balance the stem load, reduce load of stem thread and bearing to decrease operating torque.
•  The bonnet and stem are designed with back seal, which can replace stem sealing under pressure.
•  One side of bonnet is designed with sealant injection valve.
•  Rising stem structure can indicate open and close of valve.
•  Complete with different pneumatic (hydraulic) actuator upon user’s requirements.
•  Working Pressure: 2000PSI~20000PSI
•  Nominal Bore: 1.13/16"~9" (46mm~230mm)
•  Working Medium: oil、natural gas、mud and gas containing H2S、CO2
•  Working Temperature: -46°C~121°C(Class LU)
•  Material Class: AA、BB、CC、DD、EE、FF、HH
•  Specification level: PSL1-4
•  Performance Requirement: PR1-2
 
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