Size: 1.5"-48" Standard: ANSI, BS, DIN Material: Cast Iron, Ductile Iron, SS, WCB Certification: ISO, CE Butterfly Valve Lug TypeISO9001 certifiedCE ... pneumatic actuators 1.5" to 48"3. Body: Cast Iron GG25, Ductile Iron GGG40, GGG50, Stainless Steel ASTM A351 CF8, CF8M, CF3 ... .For catalog, Pls visit www.metalvalves.com Butterfly Valve Lug Type