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Rainwater Harvesting & Greywater Recycling system specialists: Freewater UK

Rainwater HarvestingVertical Centrifugal Multistage Pumps

Rainwater Harvesting vetical centrifugal multistage pumpLow noise Vertical Multistage Pump. The motor is cooled by pumped liquid, whilst simultaneously reducing the noise levels as the liquid passes around the motor within a water jacket.

The double mechanical seal with interposed chamber containing lubrication fluid ensures long life and reliability. Suitable for booster sets, water features and irrigation systems.

This pump is also suitable for installations where the pump is required to run under flood conditions.

Supplied with 5 mts. cable length type HO7 RNF.

SPECIFICATIONS

  • Maximum working pressure: 10 bar
  • Maximum liquid temperature:
    35°C according EN 60335-2-41 for domestic uses
    40°C for other uses

MATERIALS

  • Pump body, casing cover, external casing and motor casing in AISI 304
  • Impeller and diffuser in tecnopolymer
  • Shaft in AISI 416
  • Mechanical seal in carbon/ceramic/NBR

TECHNICAL DATA

  • Asincronous 2 poles motor cooled by the pumped liquid
  • Insulation class F
  • Protection degree IP68
  • 1~230V ± 10% 50Hz, 3~400V ± 10% 50Hz
  • Permanent split capacitor and automatic thermal overload protection for single-phase version
  • Thermal protection to be provided by the user for three-phase version
  • DNA- DNM 1”1/4

Rainwater Harvesting pump dimensions

DIMENSIONAL TABLE
Pump type Height mm Weight kg
Single phase Three phase
Multigo M 40/08 547 13.4 13.0
Multigo M 40/10 573 14.4 14.0
Multigo M 40/12 624 14.8 14.4
Multigo M 40/15 650 16.4 16.0
Multigo M 80/12 573 14.8 14.4
Multigo M 80/15 598 16.1 15.7
Multigo M 80/20 624 - 17.2

PERFORMANCE CURVES (according to ISO 9906 grade 2)

Rainwater Harvesting performance curves

PERFORMANCE TABLE

Pump type kw Capacitor Absorbed Current (A) Q=Capacity
Single phase Three phase μF Vc 1- 3- l/min 20 30 40 60 80 100 120
230v 50Hz 400v 50Hz 230v 400v m³/h 1.2 1.8 2.4 3.6 4.8 6 7.2
H=Total head
Multigo M 40/08 0.6 16 450 4.3 1.9 43.3 40.2 36.3 26.1 13.4 - -
Multigo M 40/10 0.75 20 450 5.7 2.2 54.1 50.2 45.4 32.6 16.8 - -
Multigo M 40/12 0.9 20 450 6.8 2.4 64.9 60.2 54.5 39.2 20.2 - -
Multigo M 40/15 1.1 31.5 450 7.3 3.0 75.7 70.3 63.6 45.7 23.5 - -
Multigo M 80/12 0.9 20 450 6.4 2.3 - 45.6 44 38.8 32 23.2 15.2
Multigo M 80/15 1.1 31.5 450 7.5 3.1 - 57 55 48.5 40 28 19
Multigo M 80/20 1.5 - - - 3.5 - 68.4 66 58.2 48 34.8 22.8

 

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