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About This Item

 

Full Description

Scope

1.1.1 These requirements apply to manually operated valves for high pressure natural gas.

1.1.2 These requirements do not apply to cylinder shut-off valves.

1.1.3 A valve that complies with the requirements for a Class A valve may be used for a Class B valve application, however, a Class B valve may not be substituted for a Class A valve.
 

Document History

  1. CSA ANSI NGV 4.6:20


    Manually operated valves for natural gas dispensing systems, Includes Update No. 1 (2021)

    • Most Recent
  2. CSA 12.56:M99 (R2018)/ANSI/IAS NGV 4.6:99 (R2019)

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    Manually Operated Valves for Natural Gas Dispensing Systems

    • Historical Version