Butterfly valves – double eccentric, high performance Complies to API 609 Sizes: 50 mm (2″) to 600 mm (24″) Type: Models 91 & 91L Rating: Class 150, 300 Materials: WCB, CF8, CF8M, CF3, CF3M, CD4MCu, CN7M etc Seats: PTFE, reinforced PTFE, even metallic Ends: Wafer and lugged Specials: Fire safe test requirements of API 607 Related Posts Inball Valves Gallery Inball Valves Gear operators Gallery Gear operators Pneumatic actuators – quarter turn Gallery Pneumatic actuators – quarter turn Check valves Gallery Check valves Cast iron valves – gate, globe & sluice Gallery Cast iron valves – gate, globe & sluice