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KATA 2026

Pressure Seal Gate Valve

Cast steel pressure seal gate valves in butt-weld and flanged end connections — for high-pressure, high-temperature power and process service. Size range 2″ to 24″, pressure class 600–2500. Flexible wedge is a one-piece fully guided cast wedge with central hub that compensates body-seat distortion from thermal expansion or piping loads.

Size
NPS 2″–24″
Pressure rating
Class 600–2500LB
Material
WCB, WCC, WC6, WC9, C5, C12, LCB, LCC, CF8, CF8M, CF3, CF3M, CN7M, CF8C
Face-to-face
ASME B16.10 · EN 558
Flanged
ASME B16.5
Butt weld
ASME B16.25
Test
API 598
Operation
Manual · bevel gear · electric · pneumatic · hydraulic
Pressure Seal Gate Valve — KATAPressure Seal Gate Valve — KATAPressure Seal Gate Valve — KATAPressure Seal Gate Valve — KATAPressure Seal Gate Valve — KATA
Pressure Seal Gate Valve — KATA

Design Features

  • Pressure-seal bonnet — sealing improves with pressure
  • Flexible wedge or parallel slide design
  • Wedge/seat faces at 9° to minimise sliding contact
  • Tight seal in low differential-pressure service
  • Resists wedge sticking when valve closes cold and opens hot
  • Butt-weld or flanged ends
Standards
API 600 · BS 1414
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