Valves: Threaded Wellhead Expanding Gate Valve


Threaded Wellhead Expanding Gate Valve Threaded Double Expanding Gate Valve are used in wellhead equipment, it can use with multiple working medium. With forced sealing and wear self-complementary function, the valves are widely used.

• Full bore design, effectively eliminating the pressure drop and eddy
• The valve seat is designed with, it can self-cleaning the stains on the gate
• Double expanding gates design, effectively ensure the gate seat sealing with abrasion.
• Valve body and bonnet, gate and seat are both metal to metal sealing.
• HVOF spray or QPQ with carbide alloy on the surface of gate and seat, it can ensure good wear resistance, and corrosion resistance corruption.
• With injection grease valve on bonnet in order to grease the sealant to improve the sealing and lubricating function.
• Equip with any type of driven device.
• Working Pressure: 2000PSI~10000PSI
• Size Range: 2″LP -3 1/2″LP
• Working medium: Oil, Natural Gas, Slurry and containing H2S、CO2 gas.
• Working temperature: -60°~121°C  (KU Grade)
• Material Level: AA、BB、CC、DD、EE、FF