Center Line Sealing 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 on the seat to form an elastic force used as a sealing specific pressure so as to guarantee the tightness of the butterfly valve.
Main Parameter Specification
Design and Manufacture：API 609, MSS SP-67, GB/T 12238
Face to Face Dimension：API609,GB/T 12224
Flange Connection Dimension：ASME B16.1,ASME B15.5,ASME B16.47,BS4504,GB/T 9113,JB/T 79
Test and Inspection：API 598,JB/T 9092,GB/T 13927
Pressure Temperature Rating：API 609,GB/T 12224
Product Range
Body material:Cast Iron,Ductile Iron
Nominal diameter:2"~48"（DN15~DN1200）
End Connection: Wafer,Lug,etc
Pressure range: Class150~600（PN16~PN100）
Working temperature: -10℃~+120℃
Operation : Handle, Gear, Electric actuator, etc
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