Suzhou Alpine Flow Control Co., Ltd
Suzhou Alpine Flow Control Co., Ltd Be The Market Leader In Water Flow Control Valve
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Arch Shape Double Eccentric Butterfly Valve With Stronger Ribs On Back Side
Description:
Double Eccentric Flange Type Butterfly Valve with worm gear (we call abbreviated FBGD) is a newly advanced design butterfly valve. With double eccentric design and soft rubber seal on the body, the operational toque is one of the lowest among all the butterfly valves and can be sealed in both directions,disc and stem are very strong without any deformation.
Dovetail seal design with multiple groove and internal epoxy stuffed, more than two ways of rubber extension space brings less compression and wearing between disc and soft seat and prevents the rubber seal to be blowed out.
Features:
Arch shape design, stronger ribs on back side.
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: