Suzhou Alpine Flow Control Co., Ltd
Suzhou Alpine Flow Control Co., Ltd Be The Market Leader In Water Flow Control Valve
Add to Cart
EPDM Sealing Ductile Iron Butterfly Valve , AWWA C504 Flange Arch Shape Design
Features:
Double eccentric design
Arch shape design, stronger ribs on back side
Reduce the compression of rubber seat
Increase the service life of rubber
EPDM seal for drinking water > 5,000 cycle test, for DN600 and up
Flow thru disc-energy saving pumping cost
Reduce head loss and minimize turbulence
Seal in both direction. Disc and stem are strong without many deformation
Online repairing. 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.
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: