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API Slab Gate Valves

Product Description


API Slab Gate Valves


Slab gate valves are usually used for the oil & gas pipe-lines.

Slab Gate Valve are manufactured with a full bore, slab gate, rising stem OS&Y and floating seats. Slab gate is a simple solid gate design, featuring metal-to-metal seal between gate and seats, to apply for the most severe service condition, including corrosive and abrasive fluid environments. A floating seat is designed to match the slab gate. A belleville spring and O-ring between each seat and body ensure a tight seal against the slab gate. The floating slab gate uses the natural force of line pressure to obtain a dynamically tight downstream seal in high-pressure differential applications. Low-pressure sealing is accomplished with an o-ring that energizes the seat and minimizes corrosion and debris build up. Common trims are available.


Double block and bleed capability and automatic relief of excess body pressure are standard feature of this seat design.


Slab Gate Valve design minimizes and eases the maintenance allowing for the service operations to be done without the removal of the valve from the line.






Features of API Slab Gate Valves:

Floating slab gate

Spring/pressure loaded seat ring with relief valve

Bubble tight shut off at high and low pressure

Bi-directional operations

Double Block and Bleed performance available

Seat faces protected from erosion by flow

Position indicator

Top entry assembly for on-line maintenance

Various actuation (Electric, Pneumatic and Hydraulic actuators)






Applicable standards of API Slab Gate Valves:

a) Design & Manufacture: API 600, API 6D, BS 1414

b) Face to Face: API 6D, ASME B16.10, EN 558

c) Connection End: ASME B16.5, ASME B16.25, EN 1092, EN 12627, JIS B2220

d) Test : API 598, API 6D, EN 12266




Sizes: 2" - 48" or DN50 - DN1200

Pressure Rating: Class 150 - Class 2500 or PN 16 - PN 420

Valve Materials: WCB, LCB, WC6, WC9, C12, C5, CF8, CF8M, Duplex Stainless Steels, etc.

Operated by: Handwheel, Gear, Pneumatic, Hydraulic and Electric actuator

Contact us if you need more details on API Slab Gate Valves. We are ready to answer your questions on packaging, logistics, certification or any other aspects about Floating Slab Gate、API Floating Slab Gate. If these products fail to match your need, please contact us and we would like to provide relevant information.

Product Categories : Gate Valve > Slab Gate Valve

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