ISO 17879:2017

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Gas cylinders - Self-closing cylinder valves - Specification and type testing

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ISO 17879:2017

Gas cylinders - Self-closing cylinder valves - Specification and type testing

PUBLISH DATE 2017
ISO 17879:2017

ISO 17879:2017 specifies the design, type testing, marking and manufacturing tests and examinations requirements for self-closing cylinder valves intended to be fitted to refillable transportable gas cylinders which convey compressed, liquefied or dissolved gases.

NOTE 1: The main applications for such self-closing cylinder valves are in the calibration gas and beverage industries.

ISO 17879:2017 covers the function of a self-closing cylinder valve as a closure.

NOTE 2: Requirements for standard cylinder valves are given in ISO 10297. Requirements for quick-release cylinder valves are given in ISO 17871.

ISO 17879:2017 is not applicable to self-closing cylinder valves for cryogenic equipment, for portable fire extinguishers, or for liquefied petroleum gas (LPG).

NOTE 3: Requirements for valves for cryogenic vessels are specified in ISO 21011 and at a regional level, for example, in EN 1626. Requirements for valves for portable fire extinguishers at a regional level are specified, for example, in EN 3 series. Requirements for self-closing LPG cylinder valves are specified in ISO 14245.

NOTE 4: Additional requirements for pressure-relief devices might be specified in international/regional regulations/standards.

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