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Videotutorial

An in-depth tutorial on valve maintenance – Pratissoli pump MWR

Support

Trouble Shooting

  • it doesn’t make any noise
  • it pulse igrregolarly
  • it doesn’t supply nominally water volume
  • it is making too much noise
  • it overheats
Download guide
  • The pump doesn’t produce any noise
  • The pump pulsates irregularly
  • The pump doesn’t deliver the nominal flow rate
  • The pump makes too much noise
  • The pump overheats
Download guide

Training

1. Definition of alternative Volumetric Pumps

Pump fundamentals

2. How they works

Pump design

3. Pump section

Pump design

4. Pressure and flow

Pump fundamentals

Technical appendix

1. High pressure hose

Correct high pressure pipe installation

2. Electrical motor

The rotational speed of three-phase and no-load AC motors.

3. Nozzle Charti

The flow rate of the nozzles must not exceed 95% of the pump flow rate

4. N.P.S.H.

Net positive suction head of a pump

5. Pressure drop in rubber hoses

Pressure loss in bar for 1 linear meter of hose length without fittings

6. Temperature conversion table

°C – °F

7. Unit of measure

Length, Width

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