How to change desired flow rate of the nozzle

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SUMMARY

This discussion focuses on adjusting the flow rate of a nozzle in a system with a 70 bar pump and nine nozzles, where the total flow rate is 2 l/m. It is confirmed that a pressure regulator valve placed between the pump and the nozzle can effectively reduce the flow rate of a specific nozzle. However, increasing the flow rate through this method is not feasible. The relationship between flow rate and bead estimate is emphasized, illustrating that higher flow rates produce larger bead sizes.

PREREQUISITES
  • Understanding of fluid dynamics and flow rate principles
  • Familiarity with pressure regulator valves and their applications
  • Knowledge of nozzle types and their flow characteristics
  • Basic skills in interpreting fluid system diagrams
NEXT STEPS
  • Research the specifications and installation of pressure regulator valves for nozzle systems
  • Study the impact of flow rate variations on bead size in fluid applications
  • Learn about different nozzle types and their performance metrics
  • Explore fluid dynamics principles related to pressure and flow rate management
USEFUL FOR

This discussion is beneficial for fluid system engineers, nozzle manufacturers, and anyone involved in optimizing flow rates in industrial applications.

iceberk
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Hello,

We have a system with a 70 bar pump and 9 nozzles connected to the pump lines. Total flow rate is 2 l/m. Is there a way to change only one nozzle flow rate manually, with a pressure regulator valf just behind that nozzle?

Thank you.
 
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Hello icy, :welcome:

I suppose 'behind' is relative. With a valve between the pump and the nozzle you should be able to reduce the flow rate. Increasing it would be rather impossible :smile:
 
Hello BvU,

You may see the attached file. It is a simple diagram to see what we need. Can you make a new comment according to the file?

Thank you.
 

Attachments

BvU's existing comment, as stated, still applies.
 
Stream rate directly affects bead estimate. An expansion in stream rate will build the bead measure; comparatively, an abatement in stream rate will diminish bead estimate.

Case: A 150 gpm empty cone spout at 10 psi has a bigger bead than a 100 gpm empty cone at 10 psi. Likewise, a 50 gpm full cone spout at 7 psi has a littler bead estimate than a 120 gpm full cone spout at the same weight.
 

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