F2 series are lined with rubber while F3 series are lined with PTFE.
Selection of lining butterfly valve should first be based on the nature of the medium to determine the type of lining material, and then control requirements, and the frequency of the action to determine the pattern of lining.
F2, F3 series can be actuated with XAT series rack piston type pneumatic actuator or with EMR series electric actuator.
Body material
WCB, CF8, CF8M, CF3M
Leakage class
ANSI Ⅵ
Cv
190 ~20160
Lining material
FEP(F46), PFA, PTFE