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Butterfly valve product information

Date:Dec 23,2016

Butterfly valve with metal seal generally than elastic seal valve life is long, but it is difficult to completely seal. Metal seal can adapt to high working temperature, the elastic seal has a temperature limited defects.

If the requirements for the use of flow control valve, the main choice is the right size and type of valve. Butterfly valve structure principle is particularly suitable for the production of large diameter valves. Butterfly not only in oil, gas, chemical, water treatment, and other general industries have been widely used, but also applied to thermal power station cooling water system. Common butterfly valve on the folder type butterfly valve and flange type butterfly valve two. Clip on butterfly valve is used to connect the valve between the two pipe flanges, flange type butterfly valve is a flange on the valve, the valve will be on both ends of the valve flange connected to the pipe flange.

In the fully open position, the disc thickness is the only medium through the body resistance, the pressure generated by the valve will be small, it is estimated that there is a good flow control characteristics. Butterfly valve with elastic seal and metal seal two seal type. Elastic sealing valve, sealing ring can be embedded in the valve body or attached to the butterfly plate.

Butterfly valve with metal seal generally than elastic seal valve life is long, but it is difficult to completely seal. Metal seal can adapt to high working temperature, the elastic seal has a temperature limited defects.

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