Butt Welded Butterfly Valve

Body/disc Material:WCB, WC1, WC5, WC6, WC9, WC12, CF3,
CF8, CF3M, CF8M
Size rating:NPS 2"~48" 
Working Pressure:Class 150LB,300LB
WORKING TEMPERATURE:-29°C - 425°C (WCB), -196°C - 600°C (SS) ±570°C (alloy steel) E15
Suitable Medium:WOG ect.
Power:manual,Worm gear,Pneumatic 
Design STD:API 609  
Face to Face STD:API 6D
Butt weld end STD:ANSI6,25
TEST STD:API 598