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Mains Units

5CP plunger pump

5CP2150W

  • 18.9Flow, l/min
  • 138Pressure, bar
  • 1725Speed, rpm
  • 5.1Power, kW

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

Cat Pumps 5CP pump

Specification

Flow
18.9 l/min
Pressure
138 bar
Speed
1725 rpm
Absorbed power
5.1 kW
Plunger
20 mm
Shaft
Solid, Ø20 mm
Weight
8.7 kg

Data sheet (PDF, Cat Pumps)

Kits

Valves3

Part numberDescriptionPer pumpSuppliers
30821Valve kit, NBR (STD)2 
31162Valve kit, EPDM (.0220)2 
31821Valve kit, FPM (.0110)2 

Seal kits5

Part numberDescriptionPer pumpSuppliers
31628Seal kit, FPM (.0110)1 
31638Seal kit, HT (.3000)1 
31648Seal kit, EPDM (.0220)1 
33628Seal kit, NBR (STD)1 
76536Seal kit, STHT (.3400)1 

Exploded view

Cat Pumps exploded view of the 5CP pump, with position numbers
Cat Pumps' drawing. The numbers match the positions in the parts list below. Open the picture to zoom in.

Parts list

Positions are the balloon numbers on Cat Pumps' exploded view.

PosPart numberDescriptionQty
5 126542 Screw, Sems HHC (M8 x 16)8
8 46910 Cover, Bearing
10 14028 O-Ring, Bearing Cover2
11 43222 Seal, Oil, Crankshaft
15 14480 Bearing, Ball2
20 48742 Rod, Connecting Assembly3
25 46982 Crankshaft, Dual-End1
32 46798 Cap, Oil Filler, Domed1
33 14179 O-Ring, Oil Filler Cap1
37 92241 Gauge, Oil, Bubble with Gasket1
38 44428 Gasket, Flat, Oil Gauge1
40 125824 Screw, Sems HHC (M6 x 16)4
48 25625 Plug, Drain (1/4" x 19 BSP)1
49 23170 O-Ring, Drain Plug1
50 46940 Cover, Rear1
51 14044 O-Ring, Rear Cover1
53 48617 Crankcase1
64 46746 Pin, Crosshead3
65 48458 Rod, Plunger3
70 46838 Seal, Oil, Crankcase3
75 43328 Slinger, Barrier3
88 45697 Washer, Keyhole (M18 x 10)3
90 46841 Plunger (M20 x 50)3
98 46730 Washer, Seal-90D3
99 48201 Retainer, Plunger with Stud (M6)3
100 46749 Retainer, Seal3
106 43305 Seal, Low-Pressure with S-Spring3
120 46843 Case, Seal3
121 13978 O-Ring, Seal Case3
125 43307 Seal, High-Pressure with S-Support3
162 48361 Backup Ring, Seat6
163 43358 O-Ring, Seat6
164 43725 Seat6
166 43723 Valve6
167 43750 Spring6
168 44565 Retainer, Spring6
172 49382 O-Ring, Valve Plug6
174 43849 Plug, Valve6
185 48245 Manifold, Head-W7701
185 49716 Manifold, Head-Special Brass1
188 126513 Screw, HSH (M8 x 70)8

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 5.1 kW. Order the one you pick wound for 60 Hz and your supply voltage.

MotorkWrpmFrameClassA at 400 VSuppliers
RNE 132Sa4 5.51450IEC 132SIE310.6  
RN 132Sa4 5.51430IEC 132SIE111.4  
RN 112b4 uprated 5.51420IEC 112IE112.2  

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 112, 28 mm shaft (RN 112b4) No Cat Pumps flange listed for this motor.
  • IEC 132, 38 mm shaft (RNE 132Sa4, RN 132Sa4) No Cat Pumps flange listed for this motor.

Coupling

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

  • IEC 112, 28 mm motor shaft No Cat Pumps coupling listed: you need one for a 28 mm motor shaft to 20 mm pump shaft.
  • IEC 132, 38 mm motor shaft No Cat Pumps coupling listed: you need one for a 38 mm motor shaft to 20 mm pump shaft.

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