These high performance butterfly valves provide long lasting tight shut-off or control capability, excellent flow characteristics and long service life. Offset shaft and eccentric disc eliminates seat/disc contact in open or intermediate position. Lip-seal design compensates for temperature and pressure changes.
The valve is suitable for use in various industries. Optionally available are valves specially prepared for chlorine, oxygen, high vacuum or abrasive services, as well as meeting NACE MR01-75 requirements.
The valves are available in wafer and lugged designs.
Model |
Pressure Class |
Sizes(in) |
Applicable temperature |
Body Materials | Standards |
End Connection |
815W | 150 | 2″-60″ | -46-+260 |
Carbon Steel CF8 CF8M Monel |
API 609 | Wafer |
815L | 2″-60″ | Lugged | ||||
830W | 300 | 2″-24″ | Wafer | |||
830L | 3″36″ | Lugged | ||||
860W | 600 | 3″-24″ | Wafer | |||
860L | 3″-24″ | Lugged |
*The applicable temperature depends on the seat materials used and the actual working pressure.