Bellows Gate Valve

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Forged Steel Bellows Valve
TTF bellows valve has two types of bonnet. One is bolted bonnet, which the body is connected with bonnet by bolts and sealed by spiral gasket (316SS filled flexible graphite), and available to follow metal sealing ring for special requirements by the client; one is welded bonnet, which the body is screwed and fully welded sealing.
It is available to design into bellows gate valve and globe valve.
Design Structure and Feature
A. TTF bellows valve in conformity with PI 602£¬MSS-SP-118£¬BS5352 and ANSI B16.34.
B. Inspection and test as per API 598.
C. Marking as per MSS-SP -25Structure and Features
Bushing type
NPT, SW or BW ends
Bolted, spiral gasket sealing, screwed and fully welded
Integral backseat
SW ends in conformity with ASME B16.11
Screwed ends conforming to (NPT) ANSI/ASME B1.20.1
Outside screwed and yoke
Stem with injection fitting
Double stem sealing bellows and packing

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