ASME B16.40 Manually Operated Thermoplastic Gas Shutoffs and Valves In Gas Distribution Systems
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ASME B16.40 Document Information:
Title
Manually Operated Thermoplastic Gas Shutoffs and Valves In Gas Distribution Systems
ASME International
Publication Date:
Apr 30, 2008
Scope:
General
This Standard covers manually operated thermoplastic valves in
nominal valve sizes ½ through 12. These valves are intended for use
below ground in thermoplastic fuel gas distribution mains and
service lines. The maximum operating pressure (MOP) at which such
distribution piping systems may be operated is in accordance with
the Code of Federal Regulations (CFR) Title 49, Part 192,
Transportation of Natural and Other Gas by Pipeline; Minimum Safety
Standards, for temperature ranges of -20°F to 140°F (-29°C to
60°C).
This Standard sets qualification requirements for each basic
valve design as a necessary condition for demonstrating conformance
to this Standard.
This Standard sets requirements for newly manufactured valves
for use in below-ground piping systems for fuel gas [includes
synthetic natural gas (SNG)] and liquefied petroleum (LP) gases
(distributed as a vapor, with or without the admixture of air) or
mixtures thereof.
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