Diaphragm valves (or membrane valves) consists of a valve body with two or more ports, a diaphragm, and a "weir or saddle" or seat upon which the diaphragm closes the valve. The valve is constructed from either plastic or metal.
Roller valve
(0 Customer reviews)Roller Lever Valves are used to actuate the movement of Pneumatic Cylinders. In the absence of electrical supply, manually operated valves such as Roller Lever Valves are used. The functioning is the same, however, the solenoid coil is replaced by a Rolling lever, which actuates the movement of air inside the valve, and out to the Cylinder.