Historical
MSS SP-81-2017
Stainless-Steel or Stainless-Steel-Lined, Bonnetless, Knife Gate Valves with Flanged Ends
This Standard Practice covers all stainless-steel or stainless-steel-lined, cast, or fabricated bonnetless, knife gate valves with flanged ends from size NPS 2 (DN 50) through NPS 36 (DN 900).
Content Provider
Manufacturers Standardization Society of the Valve and Fittings Industry, Inc. [mss]