Sanitary Diaphragm Valve Six characteristics
The national standard pneumatic diaphragm valve is a special form of shut-off valve that appeared in the 1920s. Its opening and closing parts are a diaphragm made of soft material, which separates the inner cavity of the valve body from the inner cavity of the valve cover and the driving components, so it is called a pneumatic diaphragm valve. The most prominent feature of the pneumatic diaphragm valve is that the diaphragm separates the inner cavity of the lower valve body from the inner cavity of the upper valve cover, so that the valve stem, valve disc and other parts above the diaphragm are not corroded by the medium, eliminating the packing sealing structure and preventing the medium from leaking.
1. The national standard pneumatic diaphragm valve consists of a valve body, a valve cover, a valve disc, a valve stem, a diaphragm and other driving parts.
2. The biggest difference between the national standard pneumatic diaphragm valve and other valves is that it adopts a structure without a stuffing box; the rubber diaphragm can make the corrosive medium in the flow channel completely isolated from all driving components, thereby eliminating the disadvantages of "running, bubbling, dripping and leaking" of ordinary valves.
3. The inner surface of the rubber-lined diaphragm valve has a variety of rubbers to choose from. Therefore, it has excellent corrosion resistance.

4. Since the flow channel of the diaphragm valve is smooth and the flow resistance is small, a larger flow rate can be obtained.

5. Since the seal is a rubber diaphragm with elasticity. Therefore, it also has good sealing and minimum closing force.

Externally threaded stop valve, stainless steel exhaust valve, flange plunger valve, electromagnetic water valve, threaded stop valve, water electromagnetic valve,

6. The opening and closing of the valve is achieved by rotating the handwheel. The diaphragm valve is marked with a display color on the upper end of the valve cover that can be seen at the open or closed position of the valve to indicate the opening and closing stroke of the valve. When the handwheel is placed clockwise, the handwheel moves down, and the valve disc drives the diaphragm down to cut off the passage; otherwise, the valve is opened and the color is revealed.