AWWA C504 NSF61 Approved Double Flange Double Eccentric Butterfly Valve
 
 
 
Features:
 
Small platform on the valve body.
Strong protection-keep the sleeve bearing fully in the hole.
No harm to the bearing during operation.
 

Special Bearing:

Carbon Steel base coated with bronze + PTFE interior for lubricant and tin exterior to prevent rusty.

Stronger than bronze bearing and last longer
 

Online repairing by EPOXY:

The user only needs to repair the rubber seal from the exterior of the butterfly valve without going into the pipeline. The total repairing time could be around less than 1 hr for all kinds of the size.
 
Arch shape disc design :
 
Reduce head loss and minimize turbulence
Flow thru disc-energy saving, lower pumping cost
 
 
Rubber Seat:
 

Epoxy injected on the backside of groove

Dovetail design can tight the rubber seal
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
 
 
Operation Torque list for your reference:
 

 
Materials:
 
 
 

 
Dimension: