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Mains Units

GM plunger pump

GM74150R

Part number P3.030.042-1

  • 74Flow, l/min
  • 150Pressure, bar
  • 1450Speed, rpm
  • 18.3Power, kW

50 or 60 Hz The maker gives figures for both supplies.

Mazzoni GM pump

Specification

Flow
74 l/min (88 l/min at 60 Hz)
Pressure
150 bar
Speed
1450 rpm (1740 rpm at 60 Hz)
Absorbed power
18.3 kW
Max water temperature
65 °C
Plunger
30 mm
Shaft side
Right
Shaft
Solid, Ø24 mm
Inlet
G 3/4
Outlet
G 1/2
Weight
19 kg
Oil
1.2 litres

Data sheet (PDF, Mazzoni)

Kits

No kits are listed for this model. A supplier can look them up from the model GM74150R.

Parts list

For parts not covered by the kits above, ask a supplier and quote the model GM74150R and part number P3.030.042-1.

Motor

A 4-pole motor of at least 18.3 kW drives this pump at 1450 rpm on 50 Hz. On a 60 Hz supply a motor with the same poles turns it at 1740 rpm. Order that motor wound for 60 Hz.

MotorkWrpmFrameClassA at 400 VSuppliers
RN 180Ma4 18.51465IEC 180MIE137  
RN 160Lb4 uprated 18.51420IEC 160LIE138  

The contactor and overload relay for each motor are on the motor's page.

Flange

The flange bolts the pump to the face of the motor. It depends on the motor's IEC frame.

  • IEC 160, 42 mm shaft (RN 160Lb4) No Mazzoni flange listed for this motor.
  • IEC 180, 48 mm shaft (RN 180Ma4) No Mazzoni flange listed for this motor.

Coupling

The flexible coupling joins the motor shaft to the pump shaft inside the flange.

  • IEC 160, 42 mm motor shaft No Mazzoni coupling listed: you need one for a 42 mm motor shaft to 24 mm pump shaft.
  • IEC 180, 48 mm motor shaft No Mazzoni coupling listed: you need one for a 48 mm motor shaft to 24 mm pump shaft.

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