
Coosai series DIN butterfly valve, adopts precise elastic sealing ring and tri-eccentric multilayer metal to metal seal construction, it is widely used in the pipe line of metallurgy, power, petrochemical, drainage and ministry construction for medium temperature≤425℃, to perform regulating flow, and cutting medium. It is divided to metal to metal seal and soft seated two types, and can be lined with rubber or fluorine.
| face to face | DIN3032F4F16 |
| Flanged end | DIN2543,2544 |
| Test &inspection | DIN3230 |