KINGNA TRADING

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Forged Steel Gate Valve, Class 800 (SW / BW)

Industrial valves and fittings dispatch fast — wear parts and complete machines quoted on request.

Forged Steel High-Pressure Valves

Forged steel valves for high-pressure small-bore duty: gate, globe and check, Class 800 to Class 2500, to API 602 / ASME B16.34, in A105, LF2, F5, F11, F22, F304(L), F316(L), F321 and F347. Images are representative renderings of each series; finish, accessories and nameplate follow the confirmed drawing.

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The workhorse of a high-pressure skid: forged body, bolted bonnet, rising stem, and weld ends that remove two potential leak paths per valve compared with flanged joints. Supplied socket-weld to ASME B16.11 or butt-weld to ASME B16.25, threaded to ASME B1.20.1 where a weld is not practical. Reduced port and full port both available.

General Specifications

Size RangeReduced port NPS 1/2" – 4", full port NPS 3/8" – 3"
Pressure RatingClass 800
Design StandardAPI 602 / ASME B16.34
End ConnectionSocket weld ASME B16.11, butt weld ASME B16.25, threaded ASME B1.20.1
StemRising stem, OS&Y
OperationHandwheel
MediaWater, steam, oil, gas
Max. Working Temperature425 °C (A105) — 540 °C with F11 / F22 trim

Materials & Coating

Body / BonnetA105, F5, F11, F22, F304, F316
WedgeSolid wedge, hard-faced on request
SeatIntegral or Stellite overlay
GasketSpiral wound, graphite filled
PackingGraphite, high temperature

Applications

High-pressure skids Hydraulic manifolds Instrument and impulse lines Steam and condensate

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Forged Steel Gate Valve, Class 800 (SW / BW) — 1

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