Flange Concentric Butterfly Valve
Flange concentric butterfly valve has resilient rubber seal with a metallic disc that is please concentrically between the shaft center line and the disc center line. It is commonly used for regulating flow and shutting off fluids in food, waste water, gas, medicine, chemicals, petroleum, electric power, textile, papermaking, etc. with temperature ≤120?.
Specification:
l Size: 2”~40”
l Pressure Rating: Class150~300LB
l Main Materials: WCB, LCB, CF8, CF8M, CF3, CF3M etc.
l Design and Manufacture: API 609, MSS SP-67, MSS SP-68, BS5155
l Face-to-Face: API 609, ASME B16.10, BS 5155
l Ends Connection: Flange
l Inspection & Testing: API 598, EN12266
l Operation: Lever, Electric, Pneumatic, or Hydraulic etc.
Feature:
l Short Length Pattern Design
l Rubber Lining
l Low Torque Operation
l Streamlined Disc Shape
l Bi-directional Shut-off Seat