Diaphragm Valve
Working  Principle
  When Pressure(water or air) is introduced to the upper chamber of valve the diaphragm is pressed down ,shutting off  the valve.While the pressure is released from the upper chamber.The valve opens automatically by the pressure in inlet pipe.
  The only moveable part of the valve is the reinforced rubber diaphragm.There are no shaft or seal parts among water route. The material of valve body isPVC.Diaphragm vavle can be used with solenoid vavle,manual vavle,pressurerelease vavle etc.to realize various auto-control functions.