PFF/A/Y/W 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
Performance Requirement PR1-2