Most recent
MSS SP-99-2023
Instrument Valves
This Standard Practice applies to small valves and manifold valves developed for and predominantly used in instrument, control, and sampling piping systems. It covers steel and alloy valves of nominal pipe size (NPS) 2 and smaller, and pressure ratings of 15 000 psi (103.4 MPa) and lower at 100 °F (38 °C). See MSS SP-105 for instrument valves involving code applications.
Content Provider
Manufacturers Standardization Society of the Valve and Fittings Industry, Inc. [mss]
