Diaphragm Valve Features:
The valve head is pressed by the valve stem that rotates with the hand wheel to close the valve. Lift the valve head by spring and air pressure to open the valve. The diaphragm separates the medium from the atmosphere. Its advantages are good sealing, reliable and small dead zone. It is easy to eliminate residual trace gases; there is no relative friction between the valve head and the valve seat, and no metal particles will fall into the medium. Can meet the high pressure, vacuum, high and low temperature performance.