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Automatic and semi-automatic valves are used for the opening or closing of oil lines both in the fuel supply system and at the oil burner. An oil valve according to prEN ISO 23553-1 is designed so that it closes automatically when the actuating energy is electrically, pneumatically or hydraulically interrupted. Furthermore, a semi-automatic valve is operated manually. This European Standard specifies safety, constructional and performance requirements and type testing of automatic and semi-automatic valves for oil.
This document replaces DIN EN ISO 23553-1:2009-10 .