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Mains Units

28 Frame block-style plunger pump

2831

  • 94.6Flow, l/min
  • 83Pressure, bar
  • 1025Speed, rpm
  • 15.32Power, kW

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

Cat Pumps 28 Frame block-style pump

Specification

Flow
94.6 l/min
Pressure
83 bar
Speed
1025 rpm
Absorbed power
15.32 kW
Plunger
32 mm
Shaft
Solid, Ø30 mm
Weight
42.7 kg

Data sheet (PDF, Cat Pumps)

Kits

Seal kits3

Part numberDescriptionPer pumpSuppliers
702793Seal kit, FPM (.0110)1 
702797Seal kit, EPDM (.0220)1 
703161Seal kit, NBR (STD)1 

Valves3

Part numberDescriptionPer pumpSuppliers
702794Valve kit, FPM (.0110)1 
702798Valve kit, EPDM (.0220)1 
703162Valve kit, NBR (STD)1 

Exploded view

Cat Pumps exploded view of the 28 Frame block-style 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 125753 1257538
8 134966 1349662
10 27772 277722
11 27771 277712
15 26512 265122
20 48613 486133
21 126562 1265623
25 49795 497951
32 43211 432111
33 14177 141771
36 129343 1293431
37 92241 922411
38 44428 444281
39 27769 277691
40 125753 1257538
48 25625 256251
49 23170 231701
50 133582 1335821
51 27767 277671
53 133609 1336091
54 27488 274882
56 27790 277901
57 22981 229812
59 92538 925382
64 27784 277843
65 48719 487193
70 27785 277853
75 110669 1106693
88 110670 1106703
90 45749 457493
95 89835 898353
96 20184 201843
97 14190 141903
98 44069 440693
99 44068 440683
100 49788 497883
100 49789 497893
101 110796 1107963
106 44098 440983
110 701661 -1
111 701104 7011041
117 701693 7016934
118 701077 -3
122 702080 7020803
125 45832 458323
143 14200 142006
144 28243 282436
150 701675 7016756
154 11379 113796
155 14520 145203
157 704608 7046083
159 704749 7047493
162 21985 219856
163 26089 260896
164 44080 440806
166 44081 440816
167 44082 440826
168 44735 447356
170 44794 447946
172 700008 7000083
174 701694 7016943
185 704607 7046071
188 89628 8962816

Motor

A 6-pole motor of at least 15.32 kW drives this pump at 1025 rpm.

MotorkWrpmFrameClassA at 400 VSuppliers
RN 200a6 18.5985IEC 200IE138  

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 200, 55 mm shaft (RN 200a6) No Cat Pumps flange listed for this motor.

Coupling

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

  • IEC 200, 55 mm motor shaft No Cat Pumps coupling listed: you need one for a 55 mm motor shaft to 30 mm pump shaft.