Historical
ANSI/IAS NGV4.2-1999/CSA 12.52-M99 (R2004)
Hoses for Natural Gas Vehicles and Dispensing Systems
This standard applies to compressed natural gas hose assemblies which are used for NGV dispensing stations to connect the dispenser to the refueling nozzle, or used as part of a vehicle on-board fuel system and for gas lines which carry vented gas back to a safe location.
CSA America, Inc. [csa]