Butterfly ValveClick the link below to find details R7 Butterfly Valve, Wafer. Lug Type ANSI 150/JIS 10K/DIN PN10. Seat: NBR/EPDM/VITON/PTFE. Body/Disc: Cast Iron/S.S.. Operator: Lever, Worm Gear. Size Range: 2"~24". W / Actuator (Optional).