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› 2-2000 l/s
› Suitable for headwater levels of up to 12 m (40 feet)
› Automatic self-flushing effect prevents clogging
› No floor offset required, and thus especially
suited for low-slope sewer systems.
› Small structure requirements
› Designed to work in submerged conditions
› Can be equipped with a servo-control unit for
remote-control operation
› Can be used to monitor flows

 

Application

The Jet Regulator flow regulator is designed to control discharges in storm water basins and sewer systems. It utilizes the water’s kinetic energy to maintain a constant discharge independent of the upstream or downstream water level. The Jet Regulator regulator requires no floor offset and is especially suited for low-slope sewer systems. It operates reliably, even under backflow conditions. Based on the automatic self-flushing effect, the Jet Regulator ensures high discharge accuracy and reliability.

The Jet Regulator regulator’s compact design reduces the space required for installation. The Jet Regulator has a broad discharge range of 250 - 32,000 gpm (15 - 2000 L/s).

The Jet Regulator regulator can be remote-controlled, and the discharge can be adjusted at any time to an infinitely variable setting. Owing to their minimum space requirements, jet regulators are especially recommended for retro-fitting into existing structures.

 

Operation

              

The most important functional elements of the Jet Regulator regulator are the pivoted radial gate, the jet shield and the regulating weight. These remain in the rest position during low discharge periods with the pivoted radial gate in the fully open position. When a storm event occurs and the water level upstream of the unit increases, the water jet, flowing through the regulator, is deflected and hits the movable jet shield. The force of this jet produces the energy required for starting the regulating process. The stronger the force acting on the jet shield, the more the pivoted radial gate decreases the discharge section. The regulator opening is adjusted to match the force of the water on the jet shield, in such a way as to result in a constant discharge, for all variations of the upstream water level. The position of the regulating weight determines the discharge setting which can be easily adjusted on site to modify the design discharge should it be required.

If a blockage occurs, then the flow through the regulator decreases, resulting in a corresponding decrease of the regulating force on the jet shield. The jet shield will drop thereby causing the pivoted radial gate to open automatically and fully. This causes the blockage to be flushed out under the pressure of the upstream water level (flush-out effect), after which the regulating process resumes.

The design discharge of the Jet Regulator regulator is not affected by downstream water level fluctuations or submergence.

Operation Samples

  • Einsatzbeispiel-1
  • Einsatzbeispiel-2

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