Pressure Seal Gate Valve

Name: Pressure Seal Gate Valve
Brand: VTXFLOW

Self-energizing pressure-seal bonnet for power station high P/T service.

Gate Valve Series

Pressure Seal Gate Valve

The pressure-seal bonnet becomes tighter as line pressure rises — the ideal principle for main steam, feedwater and reheat lines in thermal power stations at Class 900–2500 and temperatures up to 600°C.

As part of the VTXFLOW gate valve range, every pressure seal gate valve is produced under our certified quality system — from in-house casting and CNC precision machining to 100% pressure and seat-tightness testing before shipment, with EN 10204 3.1 material certificates supplied.

Self-energizing pressure-seal bonnet
WC6 / WC9 / F91 high temperature bodies
Live-loaded packing for thermal cycling
Butt weld ends with transition pups available

Request a Quote

Pressure Seal Gate Valve — VTXFLOW Gate Valve Series

Technical Specifications

Size Range	1/2" – 60" (DN15 – DN1500)
Pressure Class	ASME 150 – 2500 LB / PN16 – PN420
Body Materials	WCB, WC6, WC9, CF8, CF8M, LCB, A105, F11, F22, F304/316
Design Standards	API 600, API 602, API 6D, BS 1414, DIN 3352, GOST
End Connections	RF, RTJ, BW, SW, NPT

Typical Applications

Power plant main steam linesRefineriesPetrochemical plantsWater distributionMining slurry

How to Order — What to Specify

Size and pressure class
Body material and trim (13Cr, Stellite, F316)
Wedge type: flexible, solid or split
Bonnet: bolted, welded, pressure-seal or bellows
End connections: RF, RTJ, BW or SW
Operation: handwheel, gear, electric actuator
Design standard: API 600, API 602, DIN or GOST
Options: bypass, locking device, NACE

Every pressure seal gate valve is shell and seat tested to API 598 / ISO 5208 before shipment and delivered with EN 10204 3.1 material certificates. PMI, NDE and third-party inspection (SGS / BV) are available on request.

Other Gate Valve Products

Casting Wedge Gate Valve Forged Wedge Gate Valve Knife Gate Valve Bellow Gate Valve Bronze / Thread Gate Valve All Gate Valves →

Get a Quote

Request a Quotation

Interested in the pressure seal gate valve? Tell us your size, pressure class, material, standard and quantity — our engineers respond within 24 hours.