Butterfly valves of wafer manual-operated

Manual-operated wafer butterfly valves: Nominal diameter: 40(1/1/2'')—1000(40'')mm 50(2'')—600(24'')mm Nominal pressure:1.0 MPa ,1.6MPa Operating temperature range: -15—+150°C Suitable mediums: fresh water, sewage, seawater, air, steam, food, medicine, various kind of oils,acids, alkali and salt. Worm-actuated wafer butterfly valves Nominal diameter: 50(2'')—600(24'')mm Nominal pressure:1.0 MPa Operating temperature range: -15—+150°C Suitable mediums: fresh water, sewage, seawater, air, steam, food, medicine, various kind of oils,acids, alkali and salt. Features: small-size, convenient, easy to assemble and disassemble, maintenance, fix at any positions simple-structure,compact, quick 90 degrees on-off operation, small operating torque, light and handy. more than then thousand times of on-off experiment, longer operating life. almost linear flow characteristic, better regulating performance. full sealed, zero gas leakage. different materials in every parts, suitable to different mediums.