CSA ANSI Z21.15-1997(R03)/CGA 9.1-M97
Manually Operated Gas Valves for Appliances, Appliance Connector Valves and Hose End Valves
standard by CSA Group, 01/01/1997
Full Description
This standard applies to manually-operated gas valves (see Part IV, Definitions), hereinafter referred to as valves, not exceeding 4 inches (102 mm) pipe size, and pilot shut-off devices (see Part IV, Definitions), hereinafter referred to as devices. Except for hose end valves and appliance connector valves, these valves and devices are intended to be used as part of a gas-fired appliance.