Double eccentric structure, the main seal friction stroke is short, prolong the service life of the rubber seat.
Non-metal bearing to avoid electrochemical corrosion. Field replaceable seat design.
Low torque design, effectively reduce customer drive equipment costs
It is suitable for food and beverage, municipal sewage, seawater, natural gas, energy chemical industry, steam and acid, alkali and salt chemical industry.
Short Description
Standards
- Connection flange: ANSI B16.1, AWWA C111 A2.11
- Driving flange : ISO 5211
- Test standard: AWWA C504
- Design standard: AWWA C504&C516 NSF61
Material
- Body material: ductile iron, WCB, CF8, CF8M
- Disc Material: Ductile iron, WCB, CF8, CF8M, Duplex steel 1.4469, Duplex steel 1.4425
- Stem material: SS420, SS304, SS316, 17-4PH, SS416
- Seat material: NR, NBR, CR, EPDM, Viton, PTFE
- Bearing material: Self-lubricating bronze, PTFE
Technical Parameter
- Pressure range: 150B, 250B
- Valve size: 4 “-120”
- Connection mode: flange, mechanical, flange and mechanical
- Temperature range: -30℃-180℃
- Actuator: handle, worm gear, pneumatic, electric, hydraulic
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