Gate
Valves

Gate Valves

Gate valves, also known as knife valves or slide valves, are linear motion valves in which a flat closure element slides into the flow stream to provide shut-off. Over 60 years of experience is in this design. Cement, completion fluid, drilling mud, nitrogen and cold start air are just a few applications where we have served the industry with our (knife) gate valves.

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Technical Specifications

Size inch (DN)
0.5”(15) – 14”(350)
ANSI class (ibs)
150-4500
API rating (psi)
3000-10000
DIN rating (PN)
10-400
API 600
EN-1984
API 602
ASME B16.34
API 603
DIN
ISO 10423 (API 6A)
Russian GOST
ISO 14334 (BS 1414)
Norsok
ISO 14313 (API 6D) (BS 5351)
PED
ISO 15761 (BS5352)
Manufacturers standard
Pressure
Vacuum to 765 bar(g)
Temperature
-196 deg.C to 850 deg.C
Bolted bonnet, O.S. & Y, backseated
Screwed-in seal welded bonnet, O.S. & Y. Back seated
Pressure seal bonnet, O.S. & Y. Back seated
Handwheel operated
Gear operated
Actuated
Solid
Flexibel
Integral
Renewable
Tungsten carbide coating
Stelliting
Chrome carbide coating
Kolsterising ®
ISO 5208
ISO 14313 (API 6D)
API 598 Table 6
EN 12266 Part 1/2
ISO 10423 (API 6A)
Client specification
Flanged (FF, RF or RTJ)
Butt weld
Socket weld
Threaded male/female (NPT, BSP, API)
Hubbed or mechanical ends
SAE flanged
Compact flanged
Client's specificational

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