Hydraulic Gates, Penstocks and Stoplogs
Generally used as guard valves in high-pressure outlet for dams, the gates operate in wide open or full closed position and therefore are suitable for all on/off applications. According to the project requirements Nencini engineers and produces several kinds of hydraulic gates:
■ slide gates
■ ring follower gates
■ radial gates.
Penstocks and stoplogs are low pressure intake devices for channels, tanks and basins, and are usually wall-mounted. The normal position is the open one, they close when maintenance is required. To allow an easy handling, stoplogs are usually composed by several units that must be lift by a lifting beam and positioned one on top of the other to reach a level higher than the required water level.
■ body in structural steel (carbon or stainless steel)
■ leaf (for gates) in structural steel (carbon or stainless steel)
■ sliding guides in stainless steel, bronze or special alloy
■ tightness system : metal on metal or by soft seal (EPDM, NBR, Teflon, etc.).
■ hydraulic power plants (gates)
■ low-pressure intakes in channels, tanks and
■ basins (penstocks and stoplogs).
Customization on demand.
Up to DN 2000
Up to DN 80“Square bore
Up to 2000x2000mm
Up to 80x80“
Other on demand.
|Pressure range||PN 6 <> 64
ASME/ANSI 150 <> 300
|Actuation||Electric or hydraulic
Manual, electric or hydraulic