PumpLookupPump and motor part numbers
Mains Units

CH plunger pump

CHC 20/50 S

Part number 291300

  • 20Flow, l/min
  • 500Pressure, bar
  • 1450Speed, rpm
  • 19.1Power, kW

50 Hz Rated at a motor speed for 50 Hz mains (UK, Europe, Africa, Australia, most of Asia).

Udor CH pump

Specification

Flow
20 l/min
Pressure
500 bar
Speed
1450 rpm
Absorbed power
19.1 kW
Shaft
Solid, Ø24 mm

Kits

Low pressure seals1

Part numberDescriptionPer pumpSuppliers
KIT 147Low pressure seal kit 

Plungers1

Part numberDescriptionPer pumpSuppliers
KIT 151Plunger kit 

Valves1

Part numberDescriptionPer pumpSuppliers
KIT 152Valve kit 

High pressure seals1

Part numberDescriptionPer pumpSuppliers
KIT 153High pressure seal kit 

Exploded view

Udor exploded view of the CH pump, with position numbers
Udor's drawing. The numbers match the positions in the parts list below. Open the picture to zoom in.

Parts list

The parts that come in this pump's service kits, by Udor part number.

Motor

A 4-pole motor of at least 19.1 kW drives this pump at 1450 rpm.

MotorkWrpmFrameClassA at 400 VSuppliers
RN 180La4 221465IEC 180LIE142  
RN 160Lc4 uprated 221450IEC 160LIE142  

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 160Lc4) No Udor flange listed for this motor.
  • IEC 180, 48 mm shaft (RN 180La4) C15

Coupling

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

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

Gearbox for engine drive

Other Udor CH pumps

CHC 12/50 SCHC 16/50 SCHD 3.0/75 SCHD 4.5/75 S