Eccentric Butterfly Valve

Body/disc Material:gray cast iron, ductile cast iron, WCB, CF8, CF3, CF8M, CF3M, ZG1Cr18Ni9Ti, ZG1Cr18Ni12Mo2Ti
Size rating:NPS 4"~32" 
Working Pressure:PN 1.6Mpa
Power:Manual, Pneumatic, Worm gear, electric 
Design STD:GB12238, JB/T8527, API609  
Face to Face STD:API 6D
Flange end STD:ANSI B16.5  
TEST STD:API 598