Suzhou Alpine Flow Control Co., Ltd
Suzhou Alpine Flow Control Co., Ltd Be The Market Leader In Water Flow Control Valve
Add to Cart
AWWA C504 Double Flange Double Eccentric Butterfly Valve Ductile Iron NSF 61 Certificate
Features:
Arch shape design, stronger ribs on back side, size DN350-1200MM
Special Bearing:
Bearing-CS base coated with bronze + PTFE interior and tin exterior
Tin have a better electrolyte character, prevent rusting
Stronger than bronze bearing and last longer
Online repairing by EPOXY:
The special technology can help user to repair the Double Eccentric Flange Butterfly Valve without taking the valve out of the pipeline. The user only needs to repair it from the exterior of the butterfly valve without going into the pipeline. Please consult the factory and we will show you how to repair the BV when the rubber seal is damaged.
Rubber Seat:
No need bolting and permanent positioned , decrease nut loose & hole rusting
Epoxy injected on the backside of groove
Dovetail Design
Operation Torque:
| Bare Head Torque (Nm) | |
| Inch | Nm |
| 4 | 85 |
| 6 | 128 |
| 8 | 210 |
| 10 | 250 |
| 12 | 372 |
| 14 | 760 |
| 16 | 1160 |
| 18 | 1280 |
| 20 | 1680 |
| 24 | 2500 |
| 28 | 2592 |
| 32 | 4428 |
| 36 | 5300 |
| 40 | 7245 |
| 48 | 13320 |
Materials:
Dimension: