Double Eccentric Butterfly Valve
Bearing - CS Base Flange Type,worm gear available NSF61 372 Certified AWWA C504 Double Flange Features: Arch shape disc design : Flow thru disc-energy saving, lower pumping cost Reduce head loss and minimize turbulence 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
Double Eccentric Butterfly Valve
Bearing - CS Base Flange Type,worm gear available
NSF61 372 Certified AWWA C504 Double Flange Double Eccentric Butterfly Valve
Features:
Arch shape disc design :
Flow thru disc-energy saving, lower pumping cost
Reduce head loss and minimize turbulence
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:
Multi ribs on the seal-reduce operation torque
Seal fixed in the groove and epoxy on the back side as a wedge, no worry of loosen
No need bolting and permanent positioned , decrease nut loose & hole rusting
Epoxy injected on the backside of groove
Dovetail design can tight the rubber seal
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:
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