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High performance butterfly valve

High performance butterfly valve

Main Features: The turning center of the butterfly plate is on the center line of the valve body and the sealing face section of the butterfly plate. In closing, the ex-circle sealing face of the butterfly plate will extrude the valve seat made of synthetic rubber, generating elastic deformation...
Product Details

High performance butterfly valve

Multi-layer metal hard seal butterfly valve with lever/worm
Gear box/pneumatic/electric actuator. 

Products Range

Top flange: ISO 5211

Size: 2" - 48" ( DN50 - DN1200)

Suitable Temperature: -26℃ - 82

Pressure Rating: ANSI class 125 - class 300  PN2.5­ - PN40

Seal Material: EPDM, NBR, PTFE,RPTFE, VITON, etc

Body Materials: Cast Iron, Ductile Iron, Carbon Steel, Stainless Steel, Alloy Steel, Duplex Steel.

Suitable Medium: Water, Sewage, Sea Water, Air, Foodstuff, Oil, etc

Operation Type: Lever, Gear, Electric, Pneumatic, Hydraulic


1.PTFE lined butterfly valve
2.Connection form: Welded
3.Seal form: Auto sealed
4.Material of seal surface: PTFE seal
5.Structure: Center sealing
6.Body material: Cast iron, ductile iron, stainless steel304/316, carbon steel
7.Disc material: Ductile iron coated by nylon, ductile iron coated by nickel, stainless steel 304/316, aluminum bronze
8.Shaft material: Stainless steel 304/316/416
9.Seal ring material: NBR, EPDM, Fluorine Rubber, Silicon Rubber, PTFE


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