Diaphragm Valve Company
A diaphragm valve, also called a membrane valve, is anindicated valve which consists of a valve body with two or more ports, a diaphragm and a "saddle" or a seat to close the valve.
The invention of the diaphragm valve dates back to the ancient Roman and Greek times. It is originally carried out to regulator the water and temperature of the hot pools. At that moment, the crude leather diaphragm is a kind of simple but effective control valves which was manually closed over a weir. But really, the first modern diaphragm valve was invented by Saunders, being named after Saunders in the early 1900s. It is established with the implication of the idea of cutting the costly power damages due to faulty, leaking seats and stuffing boxes of the valves used to supply air and water in the underground mines. As times goes by, a variety of advanced plastic and elastomeric materials were used in the internal construction of the valve. Thus, it was becoming applicable for much more fields. Similarly, the new valves with high reliability and quality came into being and were accepted by more productions. During the procedure, some famous Diaphragm Valve manufacturing Company have advanced with a moderate pace and are moving toward a bright future.
Nowadays, it is well know that the Diaphragm Valve Manufacture Company is available in the market and different type Valve products that it can be either manually or automated controlled by various types of actuators. It is originally used for non-hygienic applications for some limitations. And it has expanded its application for bio-pharmaceutical industry by using compliant materials that can withstand sanitizing and sterilizing methods
At last, taking a look at its proper materials is needed. For the valve body, brass, steel and plastic is appreciated. And cast iron, ductile iron, carbon steel and stainless steel are common steel types. What else, for the body lining materials, it is normally determined by the temperature, pressure and chemical resistance. For example, the NR/Hard Rubber/Ebonite, BR/Soft rubber and EPDM are common rubber lined types. Furthermore, SI/Silicone rubber and such unlined or rubber lined type is proper to make the diaphragm.
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