Historical
MSS SP-117-2011
Bellows 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.
Manufacturers Standardization Society of the Valve and Fittings Industry, Inc. [mss]
