Ductile Iron Double Eccentric Butterfly Valve Ansi Standard

Ductile Iron Double Eccentric Butterfly Valve Wormgear Available
 
Description: 
 
AFC's double eccentric butterfly valve can be used in on/off or modulating application.
 
Features:
 
Arch shape disc design :
 
Flow thru disc-energy saving, lower pumping cost
Minimize head loss and 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 service time
 
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.
 
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:
 

 
Materials:
 

 
Dimension: