Cast Steel Bellows Seal Gate Valve

Bellows Gate Valves are suitable for inflammable, explosive, poisonous and precious media.

The bellows gate valve is provided with double sealing construction consisting of bellows, filling and upper sealing to ensure no leak at valve.

The bellows is made of stainless steel or special alloys. The sealing construction is reasonable in design, fatigue-proof, and satisfactory in useful life.

Bellows gate valve could be mounted on all sorts of pipeline for cutting or connecting the medium. Made of specific material, the product applies to various mediums such as water, steam, oil, nitric acid, acetic acid, oxidizing material, carbamide and so on.

Features of Cast Steel Bellows Seal Gate Valves:

Bellows Seal Type
Bolted bonnet
Outside screw and yoke
Rising stem and non-rising handwheel
Flexible wedge, fully guided
Manual operation standard, gear operator and actuation available
Butt weld end
Flange end: raised face or ring type joint

Applicable standards of Cast Steel Bellows Seal Gate Valve:
a) Design & Manufacture: API 600, API 6D, ASME B16.34
b) Face to Face: API 6D, ASME B16.10, EN 558, DIN 3202, BS 2080
c) Connection End: ASME B16.5, ASME B16.25, EN 1092, EN 12627, JIS B2220
d) Test : API 600, API 6D, EN 12266

Sizes: 2" - 12" or DN 50 - DN 300
Pressure Rating: Class 150 - Class 600 or PN 16 - PN 100        
Valve Materials: WCB, LCB, WC6, WC9, C12, C5, CF8, CF8M, Duplex Stainless Steels, etc. 
Operated by: Handwheel, Gear, Pneumatic, Hydraulic and Electric actuator

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