7 Frame plunger pump
530
- 18.9Flow, l/min
- 172Pressure, bar
- 1100Speed, rpm
- 6.38Power, kW
60 Hz Rated at a motor speed for 60 Hz mains (North America, parts of South America and Asia).

Specification
- Flow
- 18.9 l/min
- Pressure
- 172 bar
- Speed
- 1100 rpm
- Absorbed power
- 6.38 kW
- Plunger
- 18 mm
- Shaft
- Solid, Ø24 mm
- Weight
- 12 kg
Kits
Seal kits1
| Part number | Description | Per pump | Suppliers |
|---|---|---|---|
| 30488 | Seal kit, standard NBR | 1 |
Valves2
Exploded view
Parts list
Positions are the balloon numbers on Cat Pumps' exploded view.
| Pos | Part number | Description | Qty |
|---|---|---|---|
| 5 | 125824 | Screw, HHC, Sems (M6 x 16) | 8 |
| 8 | 133571 | Cover, Bearing | 2 |
| 9 | 815280 | Shim, Split, 2-Piece | 2 |
| 10 | 12393 | O-Ring, Bearing Cover | 2 |
| 11 | 43222 | Seal, Oil, Crankshaft | 2 |
| 15 | 43221 | Bearing, Roller | 2 |
| 20 | 48863 | Rod, Assembly, Connecting | 3 |
| 25 | 43220 | Crankshaft, Dual-End (M24) | 1 |
| 32 | 43211 | Cap, Oil Filler | 1 |
| 33 | 14177 | O-Ring, Filler Cap-70D | 1 |
| 37 | 92241 | Gauge, Oil, Bubble with Gasket-80D | 1 |
| 38 | 44428 | Gasket, Flat, Oil Gauge-80D | 1 |
| 40 | 125824 | Screw, HHC Sems (M6 x16) | 4 |
| 48 | 25625 | Plug, Drain ( 1/4" x 19 BSP) | 1 |
| 49 | 23170 | O-Ring, Drain Plug-70D | 1 |
| 50 | 133569 | Cover, Rear | 1 |
| 51 | 14047 | O-Ring, Rear Cover-70D | 1 |
| 53 | 133593 | Crankcase | 1 |
| 56 | 43240 | Pan, Oil | 1 |
| 64 | 43237 | Pin, Crosshead | 3 |
| 65 | 43229 | Rod, Plunger | 3 |
| 69 | 126589 | Washer, Oil Seal | 3 |
| 70 | 43228 | Seal, Oil, Crankcase | 3 |
| 75 | 43328 | Slinger, Barrier | 3 |
| 88 | 45697 | Washer, Keyhole (M18 x M10) | 3 |
| 90 | 43232 | Plunger (M18 x 77) | 3 |
| 96 | 43235 | Backup Ring, Plunger Retainer | 3 |
| 97 | 17399 | O-Ring, Plunger Retainer-80D | 3 |
| 98 | 45891 | Gasket, Plunger Retainer | 3 |
| 99 | 104360 | Retainer, Plunger with Stud | 3 |
| 100 | 45689 | Retainer, Seal, 2-Piece | 3 |
| 101 | 43239 | Wick, Long Tab | 3 |
| 106 | 43243 | Seal, Low-Pressure with S-Spring | 3 |
| 120 | 45683 | Case, Seal | 3 |
| 121 | 20285 | O-Ring, Seal Case-70D | 3 |
| 125 | 43245 | Seal, High-Pressure with S-Support | 3 |
| 139 | 22179 | Plug, (1/2" NPT[M]) | 1 |
| 162 | 43248 | Backup Ring, Seat | 6 |
| 163 | 43249 | O-Ring, Seat-80D | 6 |
| 164 | 43722 | Seat | 6 |
| 166 | 43721 | Valve | 6 |
| 167 | 43751 | Spring | 6 |
| 168 | 44564 | Retainer, Spring | 6 |
| 172 | 17617 | O-Ring, Valve Plug-90D | 6 |
| 174 | 43851 | Plug, Valve | 6 |
| 185 | 45417 | Head, Manifold | 1 |
| 187 | 46868 | Stud, Manifold (M10 x 35) | 4 |
| 194 | 126567 | Nut, Flanged (M10) | 4 |
Motor
Rated at 1100 rpm, the speed of a 6-pole motor on a 60 Hz supply. The motors below are listed with their 50 Hz figures and are at least 6.38 kW. Order the one you pick wound for 60 Hz and your supply voltage.
| Motor | kW | rpm | Frame | Class | A at 400 V | Suppliers |
|---|---|---|---|---|---|---|
| RN 160Ma6 | 7.5 | 965 | IEC 160M | IE1 | 18.1 |
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 160Ma6) No Cat Pumps flange listed for this motor.
Coupling
The flexible coupling joins the motor shaft to the pump shaft inside the flange.
- IEC 160, 42 mm motor shaft No Cat Pumps coupling listed: you need one for a 42 mm motor shaft to 24 mm pump shaft.
Other Cat Pumps 7 Frame pumps
5656G156G11856HSG156HSG118576060G160G118550700700G1740740G1760760G1