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Mains Units

3CP plunger pump

3CP1221

  • 15.9Flow, l/min
  • 138Pressure, bar
  • 1725Speed, rpm
  • 4.3Power, kW

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

Cat Pumps 3CP pump

Specification

Flow
15.9 l/min
Pressure
138 bar
Speed
1725 rpm
Absorbed power
4.3 kW
Plunger
18 mm
Shaft
Solid, Ø16.5 mm
Weight
6.7 kg

Data sheet (PDF, Cat Pumps)

Kits

Valves4

Part numberDescriptionPer pumpSuppliers
30982Valve kit, NBR (STD)1 
31216Valve kit, FPM (.0110)1 
31217Valve kit, EPDM (.0220)1 
76690Valve kit, FFKM (.0770)1 

Seal kits6

Part numberDescriptionPer pumpSuppliers
33309Seal kit, FPM (.0110)1 
33944Seal kit, EPDM (.0220)1 
33985Seal kit, NBR (STD)1 
76136Seal kit, HT (.3000)1 
76167Seal kit, STHT (.3400)1 
76985Seal kit, FFKM (.0770)1 

Exploded view

Cat Pumps exploded view of the 3CP 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 92538 9253892538
8 46901 4690146901
10 14028 1402814028
11 43222 4322243222
15 14480 1448014480
20 48730 4873048730
25 46927 -1
32 46798 4679846798
33 14179 1417914179
37 92241 9224192241
38 44428 4442844428
40 92538 9253892538
48 25625 2562525625
49 23170 2317023170
50 46939 4693946939
51 14041 1404114041
53 48644 4864448644
64 46615 4661546615
65 48459 4845948459
70 46839 4683946839
75 43900 4390043900
88 45697 4569745697
90 46976 4697646976
97 76729 7672976729
98 46730 4673046730
99 48201 4820148201
100 46541 4654146541
106 44053 4405344053
110 48556 4855648556
117 119034 119034119034
125 44652 4465244652
143 17547 1754717547
150 44060 4406044060
154 43893 4389343893
155 26089 2608926089
157 44059 4405944059
159 26089 2608926089
164 44058 4405844058
165 44001 4400144001
166 543669 543669543669
167 44056 4405644056
168 44055 4405544055
185 48558 4855848558
186 15847 1584715847
188 87950 8795087950
189 87952 8795287952

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 4.3 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 16.5 mm pump shaft.
  • IEC 132, 38 mm motor shaft No Cat Pumps coupling listed: you need one for a 38 mm motor shaft to 16.5 mm pump shaft.

Other Cat Pumps 3CP pumps

3CP1110CS3CP11203CP1120G3CP11303CP11403CP1211CS3CP1211G3CP12313CP12413CP1241G