Thursday, March 11, 2010

Grundfos Pressure Boosting : What’s NEW in Booster system Controls ??




 
We put the Brain into the control !! 


Wednesday, March 10, 2010

Grundfos Pressure Boosting : Purpose

 Series : 2

Grundfos Pressure Boosting














  • Adjust speed i.e. performance to varying demand
  • Energy savings
  • Laws of affinity
  • Controlled ramp-up and ramp-down of pumps
  • Soft start
  • Lenient on pipe net

Affinity law; example reduce speed 25 %
75 % speed = 75 % flow
75 % speed = 56 % Head
75 % speed = 42 % Energy

Grundfos Pressure Boosting  Grundfos Booster Pump

Tuesday, March 9, 2010

Grundfos : Pressure Boosting

Serie :1
Purpose of pressure booster system :

1.Adapt performance to variations in demand
  • Maintain a constant pressure, level or temperature
  • Smooth and controlled performance ramp up and down
  • Stop pumps at zero flow
  • Avoid unnecessary energy consumption, wear and heating up the water
  • Secure optimum comfort level
2.Secure back-up capacity
  • Pump failure                                                  
3. Not enough capacity with only one pump

    Example:Consumption profile Office building 24 hours :













to be contiued : Serie : 2


Monday, March 8, 2010

ALDOS Dosing Pump >> DDI 222

ALDOS Dosing Pump >>  DDI 222

  • Digital dosing up to 150 l/h with direct input of the dosing rate
  • Drastic reduction of variants and spare parts: 1 motor, 1 gear and 2 dosing head sizes are sufficient for the complete series
  • Pump overpressure control:  digital input of the maximal backpressure allowed, if it is exceeded, the pump shuts down
  • Easy dosing of high viscous media 
Diagram Capacity

DDI 222 Series with Flow Monitor
The unique digital dosing control

Dosing malfunctions are immediately detected and registered, even in very small dosing flows
Control of the system excess pressure on the pressure side: just input the maximum backpressure allowed in the dosing head, if this pressure is exceeded, the pump shuts down.

The average pressure in the dosing head is continuously measured and can be easily queried at the touch of a button.

GRUNDFOS CHJ : Multistage Jet Pump

One of the most popular Multistage Jet Pump with the Impeller Stainless Steel is Grundfos CHJ.
For details Click Here



Grundfos Domestic Pump CHJ JD Basic

Domestic Pump : Grundfos JD Basic

 Domestic Pump : Grundfos JD Basic
 
For more information about these pumps please click here




Grundfos JD Basic