FEATURES
- High flow due to angled seat
- Anti-waterhammer design (fluid entry under the disc)
- Vacuum operation up to 102-2mbar
- Wide range of piston-type operators (32 - 50 - 63 - 90 - 125 mm dia.) rotatable through 360°, for maximum performance at different minimum pilot pressures
- High performance, maintenance-free stuffing box.
- 290 series valves satisfy pressure equipment directive 97/23/EC
