Historical
ANSI Z21.15-2009/CSA 9.1-2009
Manually Operated Gas Valves for Appliances, Appliance Connector Valves and Hose End Valves
This standard applies to manually-operated gas valves (see Part IV, Definitions), hereinafter referred to as valves, not exceeding 4 in (102 mm) pipe size, and pilot shut-off devices (see Part IV, Definitions),hereinafter referred to as devices. Except for hose end valves not intended for permanent connection to a hose, and appliance connector valves, these valves and devices are intended to be used as part of a gas-fired appliance.
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CSA America, Inc. [csa]
CSA America, Inc. [csa]