Stainless steel vertical check valve H42W

Overview: Check: check valve, also known as one-way valve or check valve, whose role is to prevent the line of medium back. Pump water off the end of the valve also belongs to check class. Opening and closing pieces by medium flow and forces to open or closed to prevent the media back check valve called. Check valves are automatic valves, mainly used for one-way flow of media channels, only allowing media to flow in one direction, in order to prevent accidents. Check valve according to the structure can be divided into lift check valve, swing check valve and butterfly valve three. Lift check valve can be divided into vertical and horizontal. Swing Check Valve into univalve, double valve type and Orange Peel three. Butterfly valve for the straight-through, over several valve in the form can be divided into threaded connection, flange connection and welding of three. Products: H42W vertical stainless steel flange valve 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 vertical stainless steel flange valve spring support spool, so the use of vertical or horizontal installation can be installed.