Ball and Spherical Valves
Mainly used in hydroelectric power plants when high values of flow rate speed and/or pressure rating are required. The main feature of the valves we produce is the actuation of the two movable seal rings, one on upstream and one on downstream side of the valves. They ensure the perfect tightness of the valve and in the same time the upstream one can be used as maintenance tool to work on the downstream one.
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Functions
- maintenance operation
- emergency / safety closing operation
- as penstock valve
Applications
- hydraulic power plants
- discharge systems
- pumping stations.
Technical Data
- Size DN 500 <> 2200
- DN 20“ <> 84“
- Pressure range PN 10 <> 100
- ANSI 150 <> 600
- Actuation Manual, by counterweight, electric and hydraulic
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