Worm gear wafer metal-seal butterfly valve

The butterly valve's sealing use tri-eccentric structure, the sealing surface of the seat is welded with stainless steel, the sealing ring of the disc is made of stainless steel, non-metal composite material. It reaches metal seal structure, open with small torque, flexible and convenient. Valve sealing is reliable, high pressure resistance, corrosion resistance, long service life, suitable for water, air, steam, gas, oil and acid, alkali, salt and other corrosive medium.