Product Description
Concentric butterfly valves are manufactured to the latest edition of EN593 and tested to API Standard 598 Or EN12266.
Applicable Standards:
– Butterfly valve design according to API 609, ASME B16.34, EN593
– Face to face ASME B16.10/API 609
– End Flanges ASME B16.5/ASME B16.47
– Inspection and testing API 598, EN12266.
Rating:
– ASME CL150
Temperature Range:
– 0°C~180°C
Size Range:
– 2″~60″
End Connection:
– Flanged, wafer, lug
Body Material:
– Cast iron, ductile iron, A216 WCB, A351 CF8, A351 CF8M
Operation:
– gearbox, electric, pneumatic, hydraulic
Design Description:
– Low friction between seat and disc of valve
– “”Zero Leakage””Sealing Design
– One Piece Shaft
– Low torque enables the compact actuator and a long cycle life
– Blow-out proof shaft
– Optional stem extension
– Optional locking device
– Concentric rubber lined butterfly valve isolates the valve body from the media，using superiorly anti corrosive polymer material.
