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Mains Units

5 Frame plunger pump

351

  • 18.9Flow, l/min
  • 103Pressure, bar
  • 1725Speed, rpm
  • 3.8Power, kW

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

Cat Pumps 5 Frame pump

Specification

Flow
18.9 l/min
Pressure
103 bar
Speed
1725 rpm
Absorbed power
3.8 kW
Plunger
20 mm
Shaft
Solid, Ø20 mm
Weight
9 kg

Data sheet (PDF, Cat Pumps)

Kits

Valves4

Part numberDescriptionPer pumpSuppliers
31152Valve kit, NBR (STD)2 
34152Valve kit, FPM (.0110)2 
76148Valve kit, EPDM (.0220)2 
76821Valve kit, FFKM (.0770)2 

Seal kits6

Part numberDescriptionPer pumpSuppliers
31163Seal kit, EPDM (.0220)1 
33623Seal kit, HT (.3000)1 
34153Seal kit, NBR (STD)1 
34155Seal kit, FPM (.0110)1 
76623Seal kit, FFKM (.0770)1 
77031Seal kit, STHT (.3400)1 

Exploded view

Cat Pumps exploded view of the 5 Frame 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 Screw, HHC Sems (M6 x 16)8
8 43344 Cover, Bearing
10 43343 O-Ring, Bearing Cover2
11 43222 Seal, Oil, Crankshaft
15 14480 Bearing, Ball2
20 45883 Rod, Connecting Assembly3
32 43211 Cap, Oil Filler1
33 14177 O-Ring, Filler Cap1
37 92241 Gauge, Oil, Bubble with Gasket1
38 44428 Gasket, Flat, Oil Gauge1
40 92542 Screw, HHC Sems (M6 x 20)4
48 25625 Plug, Drain (1/4" x 19 BSP)1
49 23170 O-Ring, Drain Plug1
50 48772 Cover, Rear1
51 48773 O-Ring, Rear Cover1
53 48769 Crankcase1
56 43355 Pan, Oil1
64 43351 Pin, Crosshead3
65 45256 Rod, Plunger3
70 43228 Seal, Oil, Crankcase3
75 43328 Slinger, Barrier3
88 45697 Washer, Keyhole (M18 x M10)3
90 43367 Plunger (M20 x 72)3
95 89653 Stud, Plunger Retainer (M6 x 58)3
96 43235 Backup Ring, Plunger Retainer3
97 17399 O-Ring, Plunger Retainer3
98 44041 Gasket3
99 44031 Retainer, Plunger3
100 45688 Retainer, Seal 2-Piece3
101 43302 Wick, Long Tab3
106 44127 Seal, Low-Pressure with SS-Spring3
120 45680 Case, Seal3
121 14200 O-Ring, Seal Case3
125 44649 Seal, High-Pressure with SS-Support3
139 44563 Plug, Inlet (1/2" NPT[M])1
162 48361 Backup Ring, Seat6
163 43358 O-Ring, Seat6
164 44128 Seat6
166 543669 Valve6
167 44056 Spring, Valve6
168 44565 Retainer, Valve Spring6
171 44832 Spring, Coil6
172 49382 O-Ring, Valve Plug6
174 44833 Plug, Valve6
185 44124 Head Manifold1
186 15847 Lockwasher (M10)2
188 87950 Screw HSH (M10 x 35)2

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

MotorkWrpmFrameClassA at 400 VSuppliers
RNE 112a4 41450IEC 112IE38.2  
RN 112a4 41430IEC 112IE18.5  
RN 100c4 uprated 41405IEC 100IE19.1  
RNM 112d4 41400IEC 112Single-phase22 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 100, 28 mm shaft (RN 100c4) No Cat Pumps flange listed for this motor.
  • IEC 112, 28 mm shaft (RNE 112a4, RN 112a4, RNM 112d4) No Cat Pumps flange listed for this motor.

Coupling

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

  • IEC 100, 28 mm motor shaft No Cat Pumps coupling listed: you need one for a 28 mm motor shaft to 20 mm pump shaft.
  • 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.

Other Cat Pumps 5 Frame pumps

304545G1301310310B310S311317340340B340S341341G1347350350B350S351G1357