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PFFA Series 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, body and seat.

*   The surface of gate and seat is weld overlay with hard alloy, which has feature of corrosion resistance and washing resistance.

*   The bonnet and stem designed with back seal, can replace stem sealing under pressure.

*   One side of bonnet is designed with sealant injection in order to supply sealant and improve seal and lubrication performance of gate and seat.

*   Can 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