Middle Line Wafer Butterfly Valve 2"~48" PN10/16(150lbs) CI,DI,SS,CS ... DIN, BS, JIS Middle Line Wafer Type Butterfly Valvesize:50-1200mm150LBS/bar/PSIhandle/lever/gear/pneumatic/electric operated(actuator)ISO, API,ASTM,ANSI, ... , Brass, BronzeseatEPDM, PTFE, NBR, Viton, Buna, Hypalon, Neoprenedisccast iron, ductile iron, carbon steel, stainless steel, ALB, monelstemstainless steel, carbon steel Bushing ...