Butterfly valve’s working principle:
The disc fixes a shaft spin herewith the valve close or open. Leak tightness is provided between disc and seal.
Advantages:
- Minimal loss of pressure
- Easy to opening and closing
- Good leak tightness
- Compact design
- Easy movement of the disk should be controlled during the assembling
- Horizontal assembling should be preferred above DN300
Material Structure: | Body: GG25 cast iron, Disc: Nickel coated ductile iron |
Connection: | Lung type |
Nominal Diameter: | DN25 (1”) – DN300 (12”) |
Working Pressure: | Up to 16 bars |
Temperature Ratings: | 10ºC to 130ºC |
Typical applications: | LNG and LPG lines, Fuel oil pipelines |