European electricity supply brand vertical flange check valve

Introduction: H42W vertical check valve in this series normally is closed, due to the pressure medium inlet end of the pipeline, and overcome the resistance of the spring causes the valve to open. When the pressure is lower than the inlet end of the media outlet end of the spring to the seat leaving the spool valve closes to prevent backflow media, so starting and ending back role. As a result of this spring support spool valve, so the use of vertical or horizontal installation can be installed.