Series and Parallel Pumps

FM-100.09

  • Start-up of a pump, analysis and study of different aspects to consider.
  • Priming pump.
  • Checking the sense of rotation.
  • Over current produced in the engine.
  • Study and obtain the characteristic curves of a pump.

− Height – flow

− Hydraulic power – flow

− Torque – flow

− Mechanical efficiency – flow

− Mechanical power – flow

− Efficiency of the engine – flow

−Electric power – flow

− Total efficiency – flow

  • Study of cavitation, and obtaining the N.P.S.H. Curve required-flow.
  • Study of the different forms of regulating a pump. Checking similarity laws.

 

  • Variation of the rotational speed. Obtaining the new characteristic curves.

  • Changing the operating point by varying the pumping installation.

  • Mano euvred of the discharge valve.

  • Analysis of the same and different pumps working in group.

  • Characteristic curves operating in serie. − Height – flow

    − Power – flow
    − Efficiency – flow

  • Characteristic curves operating in parallel. − Height – flow

    − Power – flow
    − Efficiency – flow

Technical Details

Internal diameters:

  • Suction pipe: Øinterior = 45.2 mm. Ø exterior = 50 mm.

  • Drive pipe Øinterior = 34 mm., Øexterior = 40 mm.

    Tank:

  • The internal tank capasity is 20 litres (It doesn’t require external water source)

  • Material of tank PVC Plexy

    Manometers:

    • Bourdon type with glycerin from –10 m.c.a. to 70 m.c.a.

    • Bourdon type with glycerin from –10 m.c.a. to 35 m.c.a. (x3)

      Pumps characteristics:

    • Maximum flow 50 l/min.

    • Maximum head : 12 m water ( sufficient for the pump intake, can be vary)

    • Speed control : variable ( RPM measuring display )

      Other elements:

    • Electronic flowmeter 1200-50000 l/h (with display)

    • Dynamometer 2 Kg x 10 gr.

    • Wattmeters de 0 a 1200 W.

    • Frequency variable 220V – 1,1 Kw.

    • Matieral of pipe clear PVC visibility is possbile pump impeller is also clear

      Pressure gauges:

• Inlet 0-100 PSI and outlet of pumps 0-200 PSI