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GeneralTechnical Info

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Plant and operation



Example of sump, section.

The CEV flow regulator is designed for submerged installation only and requires a sump with a depth of at least 14" (~350mm). The sump serves as a sand trap and, consequently, dredging may be required.

Trade dimensions

CEV flow regulators are available with the following vortex chamber diameters:

 

6"

8"

10"

12"

14"

16"

18"

20"

22"

24"

28"

Standard equipment


Example of sump, plan.

Tube

The flow regulator is provided with a tube fitting the outlet of the structure.

 

Mounting plate

The flow regulator has a mounting plate for fastening to the wall.

Optional extras

Claw and wedge coupling

For ease of installation and dismounting a claw and wedge coupling may be provided.

 

Lifting rod

The flow regulator may be provided with a lifting rod attached to the top with a handle approx. 30 cm below the level of the cover. When the lifting rod is pulled upward, the claw lets go of the wedge coupling and the flow regulator may be lifted up on the ground.

 

Replaceable outlet orifice

The regulator can be supplied with a replaceable outlet orifice for further adjustment of the capacity.

 

Blocking claw

A claw may be fitted on the front where there is no hole. If the flow regulator  is mounted with this side facing the outlet pipe, it will serve as a plug. This may be useful, if you want to block the pipe downstream owing to, for instance, pipe work or tank lorry accidents.

 

Overflow pipe

If extra protection against clogging is required, the regulator may be equipped with an overflow pipe. The opening of this pipe is on a level with the maximum head.

 

By-pass

As an alternative to the wedge coupling and claw a by-pass may be provided if the possibility of emptying is required. The by-pass is activated by pulling a tube out of a sleeve at the top of the extended outlet tube. The opening of the pipe is located on a higher level than the maximum head.

 

Overflow pipe and by-pass

The flow regulator may be equipped with an overflow pipe as well as a bypass (see the descriptions above). In that case the opening of the overflow pipe is located on a level with the maximum head.

 

Venting

If the water level rises quickly or in the event of backwater on the outlet side, it may be difficult for the CEV to get rid of the air in the vortex chamber, which results in reduced braking effect as compared with the design value. This problem may be avoided through venting.





Special designs

 

  •  Dauerstau (overflow valve)

 

 

Mosbaek North America, Inc. • 3525 Piedmont Road • 7 Piedmont Center • Atlanta GA 30305 • E-mail info@mosbaek.com