Mss Sp99 Pdf <2025-2027>

. It establishes minimum requirements for small valves and manifold valves primarily used in control, instrument, and sampling piping systems. Manufacturers Standardization Society Key Specifications Size and Material : Covers steel and alloy valves of nominal pipe size ( ) 2 and smaller. Pressure and Temperature : Applies to pressure ratings of 15,000 psi

This is often the most referenced section. It defines the maximum allowable working pressures (MAWP) at specific temperatures. mss sp99 pdf

SP-99 is specifically for the small valves you see attached to pressure gauges, transmitters, and hydraulic panels. Pressure and Temperature : Applies to pressure ratings

Because this is a copyrighted document, "free" PDFs found online are often unauthorized or outdated. The official, most recent version is available for purchase through: The MSS Web Store ANSI Webstore IHS Markit/S&P Global Because this is a copyrighted document, "free" PDFs

No. MSS SP-99 is primarily for metallic valves and fittings. For plastic, refer to manufacturer datasheets or standards like ASTM F1970.