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Forged Steel Gate Valve

A compact but extremely sturdy design for high pressure-temperature service.
Solid CoCr alloy wedge (optional) ensures low friction and long service life.
For Class 1500 valves and for steam service, seats are seal-welded to the body.
Packing rings are precompressed to 4000 psi to provide a high integrity seal.
For welded bonnet valves, the bonnet is threaded in and torqued to an engineered torque value and the body bonnet joint is strength-welded, offering double protection against leakage. (Body/bonnet threads and strength-weld).
Fully guided wedge reduces wear on seating surfaces.
Repairable 2-piece stem drive.
Parallel slide gate valves also available.
Optional design available with double packing, leak-off connection, live-loading and a packing blowout for easy removal of old packing.
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  • ZCZ11W

  • ZC

  • ZCFGV

Product Description

1/2″-2″
150lb-2500lb
Basic Design: API 602, ANSI B16.34
Test & Inspection: API 598

Design Features

  • Outside Screw and Yoke(OS&Y)

  • Two Piece self aligning packing gland

  • Bolted bonnet with spiral-wound gasket

  • Integral backseat

Specifications

  • Basic Design: API 602, ANSI B16.34

  • End to End: DHV Standard

  • Test & Inspection: API-598

  • Screwed Ends (NPT) to ANSI/ASME B1.20.1

  • Socket weld Ends to ASME B16.11

  • Butt weld Ends to ASME B16.25

  • End Flange: ANSI B16.5

Optional Features

  • Cast Steel, Alloy Steel, Stainless Steel

  • Full Port or Regular Port

  • Extended Stem or Below Seal

  • Welded Bonnet or Pressure Seal Bonnet

  • Locking Device upon request

  • Manufacturing to NACE MR0175 upon request

 


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