JFC Series Gate Valve
•Full bore design eliminates efficiently pressure drop and vortex, eliminates washing by solids in fluid.
•Special seal type lower switch torque.
•Mental-to-mental seal is used between bonnet and body, gate and seat rising.
•Mental-to-mental seal between gate and seat, and the surface is weld overly with hard alloy, which has feature of corrosion resistance and washing resistance.
•Retainer plate fix seat ring insuring good stability.
•The 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
