EVS-EN ISO 23553-1:2009

This part of ISO 23553 specifies safety, constructional and performance requirements, and testing of safety shut-off devices, for liquid fuels. This part of ISO 23553 covers type testing only. It applies to safety shut-off devices which: - are designed as e.g. automatic valves or fast-closing devices; - are used in combustion plants to interrupt the flow of liquid fuels with or without delay on closing and with or without delay on opening; - are for use with fuel oils;