



The wafer type butterfly valve is a compact, lightweight flow control valve designed for fire protection systems. It installs between two flanges and is operated by a handle or gear actuator for rapid open/close switching.
| Parameter | Specification |
|---|---|
| Nominal Diameter | DN50–300 |
| Nominal Pressure | PN 10/16/25 |
| Temperature Range | 0–80 °C |
| Valve Standard | EN593 |
| Face to Face Length | EN558-1 ISO5752 |
| Flange Standard | EN1092-2 ISO7005-2 |
| Test Standard | EN12266 |
| End Connection | Wafer (between flanges) |
| Body Material | Ductile Iron |
| Disc Material | Ductile Iron + EPDM |
| Seat/Gasket Material | EPDM |
| Shaft Material | Stainless Steel 304 / 1Cr17Ni2 / Cr13 |
| Actuator Options | D71X lever / D371X gear / D971X electric / D671X pneumatic |
