ISO 15996:2005 specifies requirements for residual pressure valves, with or without a non-return function, for gas cylinders and the methods of testing such valves, for type approval.
ISO 15996:2005 is applicable to valves to be fitted to gas cylinders of up to 150 l water capacity, intended to contain compressed, liquefied or dissolved gases.
ISO 15996:2005 does not cover valves for fire extinguishers, cryogenic equipment or liquefied petroleum gas.
BS EN ISO 15996:2005 history
2017BS EN ISO 15996:2017 Gas cylinders. Residual pressure valves. Specification and type testing of cylinder valves incorporating residual pressure devices
2005BS EN ISO 15996:2005+A1:2007 Gas cylinders - Residual pressure valves - General requirements and type testing
2005BS EN ISO 15996:2005 Gas cylinders - Residual pressure valves - General requirements and type testing