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Mains Units

WBS plunger pump

WBS 2121-F

Part number 02.6112.97.3

  • 8Flow, l/min
  • 145Pressure, bar
  • 3450Speed, rpm
  • 2.2Power, 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
8 l/min
Pressure
145 bar
Speed
3450 rpm
Absorbed power
2.2 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 2121-F and part number 02.6112.97.3.

Motor

Rated at 3450 rpm, the speed of a 2-pole motor on a 60 Hz supply. The motors below are listed with their 50 Hz figures and are at least 2.2 kW. Order the one you pick wound for 60 Hz and your supply voltage.

MotorkWrpmFrameClassA at 400 VSuppliers
RNE 90La2 2.22880IEC 90LIE34.6  
RN 90La2 2.22890IEC 90LIE14.7  
RNM 90Lb2 2.22820IEC 90LSingle-phase13.1 at 230 V  
RNM 100a2 2.22880IEC 100Single-phase14 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 (RNE 90La2, RN 90La2, RNM 90Lb2) No Bertolini flange listed for this motor.
  • IEC 100, 28 mm shaft (RNM 100a2) 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 1920WBS 2235-FWBS 2320WBS 2335WBS 2532