PFFA Series Gate valve
Product Overview
Features and benefits
- 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




