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ASME B16.40-2013
- Manually Operated Thermoplastic Gas Shutoffs and Valves in Gas Distribution Systems
- standard by ASME International, 09/12/2013
- Publisher: ASME
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This Standard covers manually operated thermoplasticvalves in nominal valve sizes 1/2 through 12. Thesevalves are intended for use below ground in thermoplasticfuel gas distribution mains and service lines. Themaximum operating pressure (MOP) at which such distributionpiping systems may be operated is in accordancewith the Code of Federal Regulations (CFR)Title 49, Part 192, Transportation of Natural and OtherGas by Pipeline; Minimum Safety Standards, for temperatureranges of -20°F to 140°F (-29°C to 60°C).