The sealed electric ventilation butterfly valve uses a three eccentric hard seal butterfly valve, which is used as a ventilation duct air volume control valve. Under normal conditions, the pressure is low and the sealing requirements are high. It is usually used more for gas pipelines or as a substitute for ventilation butterfly valves, and the sealing performance is much higher than that of conventional ventilation butterfly valves. The butterfly valve is normally welded from steel plates. For high-temperature working conditions, stainless steel or alloy steel materials can be used for processing. Small caliber butterfly valves can be cast, and sealed electric ventilation butterfly valves are used for medium temperature and other applications; Used for regulating flow and carrying fluids in industrial pipelines such as metallurgy, power, petrochemicals, water supply and drainage, and municipal construction at a temperature of 425 ℃.

Features of electric sealed ventilation products:

1. The gas electric sealed ventilation butterfly valve adopts a three eccentric sealing structure, with almost no wear on the thin plate and butterfly plate, and can have a strong sealing function as long as you see it. 2. The seal is made of stainless steel and has the dual advantages of metal hard seal and elastic seal. It has good sealing performance, corrosion resistance, and long service life at both low and high temperatures< br/>3、 The surface is made of cobalt based hard alloy, and the sealing surface of the disc is wear-resistant and has a long service life< br/>4、 Large specification butterfly board quilting frame structure, high strength, large overcurrent area, and low flow resistance< br/>5、 The driver program can be accessed through multiple platforms (90 or 180 degrees); Rotating installation for user convenience.

Execution Standards

Design specifications: GB/T 12238

Structural length: GB/T 12221

Flange connection: GB/T 9113

Testing and Inspection: GB/T 13927

Product identification: GB/T 12220