Also called center line butterfly valve , Resilient Seated Butterfly Valves or Rubber center line butterfly valve.
Concentric butterfly valves has a resilient rubber seal with a metallic disc , that is placed concentrically between the shaft center line and the disc center line .
Design Feature:
-Concentric design,Zero leakage,Low torque,Cost-effective
-Small in size and light in weight, easy to install. It can be mounted wherever needed, suitable for various actuators.
-Simple, compact structure, quick 90 degree on-off operation.
-Flow curve tending o straight-line. Excellent regulation performance.
-Optional Disc with nickel plated or EPDM lined or HYPALON /PTFE coated