| Description: |
Cast iron double flanged butterfly valve with centric disc and one-piece shaft. Bi-directional bubble tight seal and ISO top mounting flange for easy actuation applications |
| Brand: |
Königsbrück |
| Model: |
K257 |
| Size Range: |
DN50 – DN600 |
| Pressure Rating: |
PN10 |
| Conforms To: |
AS4795.2 |
| Face to Face: |
AS 4795.2 / EN 558 Series 13 |
| Flange Drilling: |
ANSI / EN 1092-2 / AS 4087 / AS 2129 |
| Temperature Max: |
80°C |
| Body Material: |
EN-GJL250 (other options available on request) |
| Trim Material: |
AISI316 Disc (other options available on request) |
| Liner Material: |
EPDM (other options available on request) |
| Coating: |
Fusion bonded epoxy coating to AS4158 |
| Application: |
Drinking water, sewage, irrigation, and water supply |