Triple Eccentric Hard Seal Wafer 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.
Products Elements
Pressure and temperature
working pressure | PN10, PN16, PN25, PN40 |
testing pressure | shell: 1.5 times rated pressure
seat: 1.1 times rated pressure |
working temperature | -10 °C to 80°C (NBR)
-10 °C to 120°C (EPDM) -40 °C to 600°C (Metal) |
suitable media | water, oil and gas |
Main material list
parts | material |
body | cast iron, ductile iron, |
seat | EPDM, NBR,VITON, PTFE |
disc | nickel ductile iron,AI bronze, stainless steel |
stem | carbon steel, stainless steel |
bushing | PTFE |
"O" ring | PTFE |
pin | stainless steel |
key | stainless steel |
Products Detailes
Certificates
Process
Equipments
Application
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