API Pressure-Self Sealing Gate Valve

Get A Quote

Description

Pressure Sealing Gate Valve Specifications

Valve Type	Pressure Sealing Gate Valve
Design Standard	API 600, ASME B16.34, BS 1414
Face-to-Face	ASME B16.10
End Connection	Flanged (ASME B16.5 / B16.47), Butt Weld (ASME B16.25)
Pressure Class	Class 600 – Class 2500
Size Range	NPS 2″ – 48″ (DN50 – DN1200)
Body Material	Carbon Steel, Alloy Steel, Stainless Steel, Duplex Stainless Steel
Body Grades	WCB, WC6, WC9, C5, C12, CF8, CF8M, Duplex SS
Trim Material	13Cr, F6a, F11, F22, SS304, SS316, Stellite Overlay
Seat Type	Renewable Seat / Integral Seat
Bonnet Type	Pressure Seal Bonnet
Stem Design	Outside Screw and Yoke (OS&Y), Rising Stem
Operation	Handwheel, Bevel Gear, Electric Actuator, Pneumatic Actuator
Inspection & Testing	API 598, ISO 5208
Fire Safe Design	API 6FA
Temperature Range	-29°C to 593°C (-20°F to 1100°F)
Applications	Power Generation, Refining, Petrochemical, High-Pressure Steam Systems, Oil & Gas Pipelines

Key Features of Pressure Sealing Gate Valve

Pressure seal bonnet design provides enhanced sealing performance under high-pressure conditions.
Designed for Class 600 to Class 2500 pressure ratings and severe service applications.
Flexible wedge and solid wedge configurations available for reliable shut-off.
Stellite hard-faced seating surfaces ensure extended service life and wear resistance.
Low operating torque and smooth operation for manual or automated systems.
Backseat design improves stem sealing reliability during maintenance.
Suitable for high-temperature steam, thermal power, refinery, and petrochemical services.
Available with electric, pneumatic, hydraulic, and gear-operated actuators.

Pressure Sealing Gate Valve Manufacturer & Supplier

Xintai Manufacture high-performance Pressure Sealing Gate Valves engineered for high-pressure and high-temperature isolation applications. Designed according to API 600 and ASME B16.34 standards, these valves utilize a pressure seal bonnet structure that improves sealing integrity as internal pressure increases. They are widely used in power plants, refinery units, petrochemical facilities, and industrial steam systems requiring reliable shut-off performance, low leakage rates, and long service life under demanding operating conditions.