Concentric butterfly valves

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.


– 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 


– 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.