Design Features

Valve normally used for closing and regulating bottom and intermediate water outlets of dams and reservoirs as well as a turbine bypass valve in hydroelectric power stations. The fixed cone valve discharges directly into the atmosphere. This valve releases a hollow cone shaped jet (fan or spray type jet). Upon contact with the air, the energy is dissipated by pulverisation and mixing with the air. The water is normally collected downstream in a stilling pool. Cone valves are excellent regulation devices, since they can operate at any partially open position and they have practically no design load limitations. The most common use for these valves is free discharge into the atmosphere, but they can also be adapted for submerged discharges through the downstream wall of the dam. The advantages of the hollow jet valves compared with other types of valves which have the same functions are notable: they are light, simple, they have no cavitation or vibration problems, and are very easy to operate and maintain.

Industries

WTP, WWTP, Waterworks

Materials

Structural Parts: Carbon steel:
Moving Parts: Stainless Steels
Rib coverings: Bronze:

Pressure and Temperature

The fixed cone valves are designed to support water loads of
up to 160 mwc. For loads in excess of this, please consult our
technicians

Size

as required nominal conduit diameter

Connection

The valve has a drilled flange in accordance with standards DIN (PN 10, PN16) and AWWA C207 Class “D” at the upstream end.