This document references:
MSS SP 25 - Standard Marking System for Valves, Fittings, Flanges, and Unions
Published by MSS
on
January 1, 2018
This standard marking system applies to the marking of new valves, fittings, flanges, and unions used in piping connections that include (but are not limited to) flanged, soldered, brazed, threaded,...
This document references:
MSS SP 44 - Steel Pipeline Flanges
Published by MSS
on
January 1, 2019
General This Standard Practice covers pressure-temperature ratings, materials, dimensions, tolerances, marking, and testing for steel pipeline flanges. The welding neck type flanges shall be forged...
This document is referenced by:
MSS SP 151 - Pressure Testing of Knife Gate Valves
Published by MSS
on
January 1, 2021
This Standard Practice establishes requirements and acceptance criteria for shell and seat closure pressure testing of resilient, non-metallic (e.g. ceramic), and metal-to-metal seated knife gate...
This document is referenced by:
MSS SP 111 - Gray-Iron and Ductile-Iron Tapping Sleeves
Published by MSS
on
January 1, 2020
This Standard Practice covers the performance and design requirements of gray-iron or ductile-iron tapping sleeves used in water and sewage systems. Tapping sleeves are used with tapping valves to...
This document is referenced by:
SP-152 - Knife Gate Valves for Double Block and Bleed
Published by MSS
on
January 1, 2022
SCOPE AND FIELD OF APPLICATION This Standard Practice covers cast or fabricated, bonneted or bonnetless knife gate valves designed and manufactured to serve as a “Double Block and Bleed”(a) single...