CSA/ANSI/IAS NGV 4.4:99/CSA 12.54:M99 (R2018)
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
BREAKAWAY DEVICES FOR NATURAL GAS DISPENSING HOSES AND SYSTEMS
Hardcopy , PDF
13-07-2021
English
01-01-2018
Applicable to newly produced compressed Natural Gas Vehicle (NGV) dispenser shear valves and fueling hose emergency breakaway shutoff devices, hereinafter referred to as devices.
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