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Product Description
Triple Eccentricity Butterfly Valve
Main Features
For the structure of the triple-eccentricity sealbutterfly valve, when the valve is under the complete open state, its butterflyplate sealing face will break away from the valve seat sealing face completely;when it is opened from 0 to 90°, the butterfly plate sealing face will breakaway from the valve seat sealing face upon opening; when it is closed from 90°to 0°, and only upon closing, the butterfly plate sealing face can contact andpress onto the valve seat sealing face tightly.
Main Parameter Specification
Design and Manufacture：API 609,GB/T12238
Face to Face Dimension：API609,ISO5752,ASMEB16.10,GB/T 12221
Flange ConnectionDimension：ASME B16.5,ASME B16.47,GB/T,JB/T79
Test and Inspection：API 598,JB/T9092,GB/T 13927
Pressure TemperatureRating：API 609,ASME B16.34,GB/T 12224
ProductRange
Body material: Cast Steel, Stainless Steel, Monel,etc
Nominal diameter:2"～120"（DN50~DN3000）
End Connection: Double Flange, Wafer, Lug, etc
Pressure range: Class150 ~ 600（PN16~PN100）
Working temperature:-46℃ ~ +550℃
Operation : Handle, Gear, Electric actuator,etc