WCB Butterfly Valve

Body/disc Material:WCB
Size rating:NPS 2"-24" 
Working Pressure:Class150 - 600 LB
Suitable TEMP:-60~+450°C 
Power:Pneumatic 
Design STD:BSBS 5155, API 609, MSS SP-67, and MSS SP-68  
Face to Face STD:BS 5155, and API 609, MS
Flange end STD:ASME B16.5 
TEST STD:API 598