1.Product overview Electric flanged hard seal butterfly valve adopts precision J elastic sealing ring and triple eccentric metal hard seal structure, multi-level, is widely used in metallurgy, electric power, petroleum, chemical industry and municipal construction and other industrial piping and drainage which medium temperature is â?¦ 450 , using for adjusting flow cutoff.Performance features 1. This valve adopts the three-eccentric sealing structure, and the seats and disc plates are nearly free of abrasion, and the sealing function is more and more tight. 2. The sealing ring choose stainless steel, has the dual advantages of metal hard seal and elastic sealing, no matter in the case of low or high temperature, it has good sealing performance in both, corrosion resistance, long service life, etc. 3. The sealing surface of plate is covered with cobalt hard alloy, the sealing surface is corrosion-resistant, and the service life is long. 4. This valve has a two-way sealing function. It is not restricted by the media flow when installed, and it is not affected by the space position. It can be installed in any direction.
