Spherical valves are used as two-side shutters as well as main shutters before turbines.
The design employs a double sealing: i.e., a check-up sealing system at the input side of the gate,and an operational sealing system at the output side.
- Nominal inside diameter: DN 300 – 2000
- Nominal pressure: do PN 100
- Hydraulic motor
- Mechanical drive