Ventilation butterfly using the same material into the valve body seals, the applicable temperature varies depending on the selection valve, nominal pressure ≤ 0.6MPa, generally applicable to industry, metallurgy, environmental protection, regulating media flow conduit for ventilation purposes, its main features is:
Series - PN0.5 - PN6
1. Novel design, reasonable, unique structure, light weight, open and close quickly.
2. Operating torque is small, easy to operate, smart victory.
3. Using materials adapted to meet different medium temperature and corrosive media. Integrally cast disc position stop perfectly locates the disc in seat, achieving maximum seat and seal life.
Design Features
- Simple structure, little Joe, the product itself is light in quality
- Simple installation method, small internal resistance, can be a good solution to the problem of high temperature expansion
- There is no even porch inside, the reliability of the work is strong, the service life is long
- Flattened body bore at shaft journal ports positions shaft bearings near disc, providing maximum shaft support resulting in reduced wear and longer life
- Unique packing design allows for use in pressure as well as vacuum without modification or special assembly
Product Specifications
- Size 2″-80″ DN50-DN2000
- Pressure Class PN0.5-PN6
- End Connection Flange (FF, RF), wafer
- Body Material Q235, WCB, CF8, CF8M, CF3, CF3M etc
- Disc Material Q235, WCB, CF8, CF8M, CF3, CF3M etc
- Seat Material Same as body material
- Stem Material 17-4PH, 2Cr13, SS304, SS316
- Design Standard GBT/1 2238, JB/T8692
- Face to Face Standard GB/T12221
- Test Standard GB/T13927, JB/T 9092
- Temperature Range -20℃~80℃
- Actuator Options Lever, penumatic, electric, worm gear, hydralic
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Structure Style
- Full Port, Concenric
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Connection Standard
- Flange Drilling: GB/T9113