SP-117 - Bellows Steals for Globe and Gate Valves (MSS)

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Valve & Fitting Standards
Manufacturers Standardization Society of the Valve and Fittings Industry

SP-117-2006, $122.00
Bellows Steals for Globe and Gate Valves

This MSS Standard covers requirements for design, materials, fabrication, installation, qualification, examination, testing and shipment of metal bellows and/or bellows assemblies to be installed in manual and automated on-off globe and gate valves.

This standard is appliable to metal bellows used in conjunction with steel globe and gate valves which otherwise satisfy the requirements of standards such as API 600 (Steel Gate Valves-Flanged and Buttwelding Ends), API 602 (Compact Steel Gate Valves, Flanged, Threaded, Welding and Extended-Body Ends), ASME/ANSI B16.34 (Valves Flanged, Threaded and Welding End), API 603 (Class 150, Corrosion-Resistant Flanged End Gate Valves), BS5352:199\81 (Steel Wedge Gate, Globe and Check Valves 50mm and Smaller for the Petroleum, Petrochemical and Allied Industries).

This standard does not apply to non-metallic bellows or bellows made of low melting point materials such as brass, phosphor-bronze, or similar materials.