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MSS SP-105-2016 Instrument Valves for Code Applications
standard by Manufacturers Standardization Society, 11/01/2016
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Full Description
Scope1.1 This Standard Practice applies to small valves and manifold valves developed for and predominatelyused in instrument, control, and sampling piping systems. It covers steel and alloy valves of nominal pipesize (NPS) 2 and smaller, and pressure ratings of 15,000 psi and lower at 100 F.
1.2 This Standard Practice applies to instrument valve designs including, but not limited to, needlevalves, packless valves, ball valves, plug valves, check valves, and manifold valves. Instrument valvesare generally of proprietary design. This Standard Practice is not intended to define or limit designs,construction, performance, envelope dimensions, or valve types.
1.3 The application of valve type, size, rating, materials of construction, and suitability for the serviceare the responsibility of the purchaser and are outside the scope of this Standard Practice.