Flexible gas valve for gas equipment, has spring, where valve is automatically fixed to housing of equipment after closing valve with safety catch pin, with lack of gas pressure, and opened under normal pressure

摘要

The valve has a spring (4), where the valve is automatically fixed to a housing (1) of gas equipment after closing the valve with a safety catch pin (5) having a spring (6), with lack of gas pressure. The valve is opened with normal pressure and the pin is removed from a closing state of the valve by an external force e.g. manually. The valve is moved in a valve guide under effect of gas pressure and the spring (4).