Two Side Sealing Double Eccentric Butterfly Valve EPDM Seal For Drinking Water

Two Side Sealing AWWA C504 Ductile Iron Double Flange Double Eccentric Butterfly Valve

Features:
 

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.

Arch shape design, stronger ribs on back side, size DN350-1200MM

This can help to BV has a better flow coefficiet when water through the holes on the disc in fully open position, water will stabilize the disc and het a better flow coefficeint. 

Double eccentric design, less wearing of rubber. 

Less compression for rubber, longer life for rubber. When double eccentric BV in fully open position, the compression of the rubber is much less than the concentric type of BV. It gives a longer life time for rubber comparing with double eccentric and concentric BV. 

EPDM seal for drinking water, pressure test > 5,000 cycle test, for DN600 and up 

Seal in both direction. 

Operation Torque:

Dimension:

Materials: