Protecting gas line involves only opening valve if electrical pulse arrives from load device indicating operation of its ignition device and there is defined gas pressure in line still cut off

摘要

The method involves only opening a valve in the gas line if an electrical pulse arrives from a gas consuming device that indicates the operation of its ignition device and if it is ensured that there is a defined gas pressure in the line that is still cut off by the valve. The valve is held open while operation of the gas consuming device is indicated. AN Independent claim is also included for the following: a system for protecting a gas line.