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Mains Units

WBS plunger pump

WBS 1920

Part number 02.6091.97.3

  • 7.6Flow, l/min
  • 130Pressure, bar
  • 1725Speed, rpm
  • 1.8Power, kW

60 Hz Rated at a motor speed for 60 Hz mains (North America, parts of South America and Asia).

Bertolini WBS pump

Specification

Flow
7.6 l/min
Pressure
130 bar
Speed
1725 rpm
Absorbed power
1.8 kW
Max water temperature
60 °C
Plunger
15 mm
Shaft
Solid, Ø24 mm
Inlet
3/8 BSP
Outlet
3/8 BSP
Weight
5.8 kg
Oil
0.5 litres, SAE 75 - W 90

Data sheet (PDF, Bertolini)

Kits

Valves1

Part numberDescriptionPer pumpSuppliers
019826973Valve kit 141 

Oil seals1

Part numberDescriptionPer pumpSuppliers
049836973Radial ring kit 64 

Water seals1

Part numberDescriptionPer pumpSuppliers
049843973Seal kit 73, Ø15 mm plungers 

Parts list

For parts not covered by the kits above, ask a supplier and quote the model WBS 1920 and part number 02.6091.97.3.

Motor

Rated at 1725 rpm, the speed of a 4-pole motor on a 60 Hz supply. The motors below are listed with their 50 Hz figures and are at least 1.8 kW. Order the one you pick wound for 60 Hz and your supply voltage.

MotorkWrpmFrameClassA at 400 VSuppliers
RNE 100a4 2.21455IEC 100IE35.9  
RN 100a4 2.21420IEC 100IE14.9  
RN 90Lb4 uprated 1.851410IEC 90LIE14.3  
RNM 90Lb4 1.851390IEC 90LSingle-phase13.2 at 230 V  

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 90, 24 mm shaft (RN 90Lb4, RNM 90Lb4) No Bertolini flange listed for this motor.
  • IEC 100, 28 mm shaft (RNE 100a4, RN 100a4) No Bertolini flange listed for this motor.

Coupling

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

  • IEC 90, 24 mm motor shaft No Bertolini coupling listed: you need one for a 24 mm motor shaft to 24 mm pump shaft.
  • IEC 100, 28 mm motor shaft No Bertolini coupling listed: you need one for a 28 mm motor shaft to 24 mm pump shaft.

Other Bertolini WBS pumps

WBS 1335-FWBS 1421-FWBS 1520WBS 1735WBS 1735-FWBS 1821-FWBS 1832WBS 2121-FWBS 2235-FWBS 2320WBS 2335WBS 2532