Quick disconnect devices for use with gas fuel appliances

Designation Number:
Z21.41/6.9
Standard Type:
National Standard of Canada - Domestic
Standard Development Activity:
New Edition
ICS code(s):
75.200
Status:
Proceeding to development
SDO Comment Period Start Date:
SDO Comment Period End Date:
Posted On:

Scope:

1.1
This Standard applies to newly-produced, hand-operated quick-disconnect devices, hereinafter also referred to as devices, constructed entirely of new, unused parts and materials which provide a means for connecting and disconnecting appliances or appliance connectors to gas supplies and which are for indoor and outdoor applications. These devices shall be equipped with automatic means to shut off the gas when the devices are disconnected. The mating parts shall be held together securely either by a positive locking means or by means requiring a straight pull to disconnect. These devices shall be capable of operation at ambient temperatures between 32oF to 200oF (0oC to 93.3oC) if intended for indoor use only, or temperatures between -20oF to 200oF (-28.8oC to 93.3oC) if intended for indoor/outdoor use. These devices shall also be capable of operation at temperatures of -40oF (-40oC) when so specified by the manufacturer. 

1.2
This Standard applies to quick disconnect devices for use with natural, manufactured and mixed gases, propane gas and LP gas-air mixtures, having maximum gas pressure ratings of up to and including 60 psi (414 kPa). A manufacturer must specify what pressure will be marked on the product and the applicable pressures in the performance tests shall be adjusted to meet the testing requirements. 

1.3
All references to psi (kPa) throughout this standard are to be considered as gauge pressure unless otherwise specified. 

1.4
Annex A contains provisions that are unique to Canada. 

1.5
Clause 2, contains a list of standards specifically referenced in this standard, and sources from which these reference standards may be obtained. 

1.6
This Standard contains SI (Metric) corresponding to the yard/pound quantities, the purpose being to allow the standard to be used in SI (Metric) units. (Standard for use of the International System of Units (SI): The Modern Metric System, IEEE/ASTM SI 10 or ISO 80000-1:2009 Quantities and units-Part 1: General are used as a guide in making metric conversion from yard/pound quantities.) If a value for a measurement and a corresponding value in other units are stated, the first stated value is to be regarded as the requirement. The given corresponding value may be approximate. If a value for measurement and a corresponding value in other units are both specified as a quoted marking requirement, the first stated unit, or both shall be provided.

Project need:

To update the current standard due to user feedback. This proposed New Edition is being developed at the request of the Technical Committee and Technical Subcommittee. It will provide the industry with an updated plug profile and references to NFPA 1192 in order to reduce current connection issues out in the field.

Note: The information provided above was obtained by the Standards Council of Canada (SCC) and is provided as part of a centralized, transparent notification system for new standards development. The system allows SCC-accredited Standards Development Organizations (SDOs), and members of the public, to be informed of new work in Canadian standards development, and allows SCC-accredited SDOs to identify and resolve potential duplication of standards and effort.

Individual SDOs are responsible for the content and accuracy of the information presented here. The text is presented in the language in which it was provided to SCC.