PumpLookupPump and motor part numbers
Mains Units

WMH plunger pump

WMH 1638-F

Part number 04.8502.97.3

  • 14.3Flow, l/min
  • 110Pressure, bar
  • 3450Speed, rpm
  • 3.1Power, kW

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

Specification

Flow
14.3 l/min
Pressure
110 bar
Speed
3450 rpm
Absorbed power
3.1 kW
Max water temperature
60 °C
Plunger
15 mm
Shaft
Hollow
Inlet
1/2 BSP
Outlet
3/8 BSP
Weight
7.6 kg
Oil
0.6 litres, SAE 75 - W 90

Data sheet (PDF, Bertolini)

Kits

Oil seals1

Part numberDescriptionPer pumpSuppliers
049836973Radial ring kit 64 

Water seals1

Part numberDescriptionPer pumpSuppliers
049843973Seal kit 73, Ø15 mm plungers 

Valves1

Part numberDescriptionPer pumpSuppliers
049890973Valve kit 124 

Parts list

For parts not covered by the kits above, ask a supplier and quote the model WMH 1638-F and part number 04.8502.97.3.

Motor

This pump has a hollow shaft. It fits straight onto the shaft of a hollow-shaft motor or engine, so there is no flange or coupling between them. You need a hollow-shaft motor of at least 3.1 kW.

Flange

None needed: the pump fits straight onto a hollow-shaft motor.

Coupling

None needed: the pump fits straight onto a hollow-shaft motor.

Other Bertolini WMH pumps

WMH 1525WMH 1528-FWMH 1543-FWMH 1825WMH 1833WMH 1843-FWMH 1932-FWMH 2038-FWMH 2228WMH 2525WMH 2528-FWMH 2532-F