Cast Steel Flanged Butterfly Valve 

Specifications: 
Size: DN50 ~ DN4000 
Class: 150LB to 600LB 
Type: Wafer type, lugged type, flanged type, center line/double eccentric/triple offset type, metal seated or soft seated, high performance 
Material: 
WCB, WCC, WC6, WC9, C5, C12, CF8, CF8M, CF3, CF3M, CN7M, LCB, LCC, DUPLEX SS, MONEL, ALLOY 20, cast iron etc. 
Operation: Gear, pneumatic and electric actuator 

Standard compliance 
1) Design and manufacture: API609 
2) Test and inspection: API598 
3) Face to face dimensions: API609, ANSI B16.10 
4) End flange dimensions: ANSI B16.5, B16.47 SERIES A & SERIES B, DIN, BS, JIS 
5) Butt-welding end: ANSI B16.25