Products

Tri-eccentric hard seal metal butterfly valve: adopt tri-eccentric hard seal structure, the seat and disc almost no wear and tear, with tight sealing function, the leakage rate reaches 0% ; the seal ring is made of stainless steel, it has the double advantages of metal hard seal and elastic seal, both in low and high temperature, have excellent sealing performance, corrosion resistance, long service life and so on, service life of up to 30 years; The sealing surface of butterfly plate is made of hardfacing cobalt-based cemented carbide, which is wear-resistant and has long service life.