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This valve, in the beginning planned from Bureau of Reclamation, utilize the excellent energy-absorbin capabilities of vertical stilling wells and its corner baffles.
Nencini, over the years, improved design of the valve and of its shutter (standard or multijet); we can design valve and size the vertical stilling well in front of the hardest system data.
The main data on this type of valve follows:
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| Medium |
Water (drinking, corrosive, waste) |
| Features |
The valve is capable of dissipating an excess pressure head greater than 300 meters (1000 feet), discharging a tranquill flow to the downstream canal.
It can also be used to regulate the flow.
Bubble tight shut-off. |
| Application |
Powerplant bypass; Canal headworks; Pipe drop; Turnout.
To achieve all the whatever sstem conditions many trim style are available; standard, multijet single or double stage. |
| Size |
From DN300 to DN2500 (from 12" to 98") |
| Pressure Class |
From PN10 to PN100 (from ANSI125 to ANSI600) |
| Flanges |
According to main National and International Standards
(ANSI, ISO, BS, DIN, ...) |
| Materials |
Body in Welded Carbon Steel, Stainless Steel. |
| Coating |
Any type of required painting cycle and/or nickel plating, stellite. |
| Actuators |
Electric, hydraulic, electro hydraulic, pneumatic, manual. |
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