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| Body： |
CI (cast iron) |
| Seat： |
EPDM/NBR/PTFE/VITON |
| Disc ： |
GGG40/ASTM A216 WCB/CF8/CF8M |
| Top Flange： |
ISO 5211 |
| Size Range ： |
DN50-DN1200 |
| Working Temperature： |
Up to 120°C (Depending on the seat material) |
| Drilling Flange： |
PN10/PN16 |
DIN (Germany Standard) Wafer Butterfly Valve,PN16?
This butterfly valve is designed as per DIN standard by drilling flange standard of PN10 & PN16, usually clients need it with disc material of DI(GGG40) or Stainless steel. Its shaft can be available by square? when DN50-DN300, but round type shaft for DN 350-DN1200.?
Top flange standard was designed according to ISO5211, the end user can install electric actuator or pneumatic actuator by their working conditions.
Concentric butterly valve designed two-way sealing pressure for preventing backflow in the system. It is capable for handling fluids with solids in suspension as the valve disc moves into the valve seat with a wiping motion.
Butterfly valve are gernerally favored because their costs less than other valve designs which is the?most economical version and it is sandwiched between two pipe flanges.
The pipe flanges are connected through long bolts that cross the entire valve body and the sealing between the valve and pipe flanges.
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Concentric butterfly valve is used in water and wastewater treatment plants, fire protection systems, and gas supply.
