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MSS SP-117-2023

Bellow Seals for Globe and Gate Valves

This Standard Practice 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 Practice is applicable to metal bellows used in conjunction with steel globe and gate valves which otherwise satisfy the requirements of standards such as API 600, API 602, ASME B16.34, and API 603.

CONTENT PROVIDER
Manufacturers Standardization Society of the Valve and Fittings Industry, Inc. [mss]

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