Nowadays, many devices are basically purchased in a special way, that is, by ordering at this time. If we do not see the product when ordering such devices, you must repeatedly confirm some of the information, and really determine that these are your own needs, Then you can buy the perfect equipment. When ordering pneumatic butterfly valves, you know what different information you need to confirm repeatedly. It is good for you to have a good understanding of the relevant information in advance, so that you can successfully complete your order in the future.

The metal seal can adapt to higher working temperature, while the elastic seal has the defect of temperature limitation. If the butterfly valve is required to be used as flow control, the main thing is to correctly select the size and type of the valve. The structure principle of butterfly valve is particularly suitable for making large diameter valves. Butterfly valves are not only widely used in petroleum, gas, chemical, water treatment and other general industries, but also used in the cooling water system of thermal power stations.