This specification covers the design, construction, testing, and operating requirements for self-contained pressure-reducing valves for air or nitrogen systems. Pressure-reducing valves shall be either: type I - inlet outlet end connections of the same pressure rating or type II - outlet end connection pressure rating lower than the inlet end connection rating. Valves shall incorporate the design features specified. Pressure-reducing valves shall meet the performance requirements prescribed. Hydrostatic shell test, seal tightness test, and external leakage test shall be performed to meet the requirements prescribed.
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1.1 This specification covers the design, construction, testing and operating requirements for self-contained pressure-reducing valves for air or nitrogen systems.
1.2 The values stated in this specification in inch-pounds units are to be regarded as the standard. The SI equivalent shown in parenthesis are provided for information only.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
F992 Specification for Valve Label Plates
F1685 Specification for Pressure-Reducing Manifolds for Air or Nitrogen Systems
air systems; nitrogen systems; pressure-reducing valves; valves;
ICS Number Code 23.060.20 (Ball and plug valves)
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Citing ASTM Standards
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