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Publication of CH13349ApublicationCriticalpatent/CH13349A/en
Drain valve for piping system used in e.g. vehicle washing location, has non-return valve that is closed by system pressure and is opened when system pressure is reduced by pressure spring
Drain valve for piping system used in e.g. vehicle washing location, has non-return valve that is closed by system pressure and is opened when system pressure is reduced by pressure spring
Valve for automatic compressed fluid or vacuum brakes, or other installations operated by pressurized fluids as well as for water, oil, gas or other conduits circulating fluids under positive or negative pressure