NPM-GR plunger pump
NPM1728GR
Part number 1.905-192.0
- 17Flow, l/min
- 275Pressure, bar
- 3400Speed, rpm
- 9Power, kW
60 Hz Rated at a motor speed for 60 Hz mains (North America, parts of South America and Asia).
Specification
- Flow
- 17 l/min
- Pressure
- 275 bar
- Speed
- 3400 rpm
- Absorbed power
- 9 kW
- Max water temperature
- 65 °C
- Shaft side
- Right
- Shaft
- Solid
- Inlet
- G 1/2
- Outlet
- G 3/8
- Weight
- 11 kg
- Oil
- 0.7 litres, SAE 10W40
Kits
Extraordinary maintenance7
| Part number | Description | Per pump | Suppliers |
|---|---|---|---|
| 1.099-751.0 | Plunger oil seal kit | 1 | |
| 1.099-837.0 | Plunger Ø15 mm | 3 | |
| 1.904-251.0 | Valve plug assembly | 6 | |
| 1.905-142.0 | Complete manifold | 1 | |
| 1.905-653.0 | Complete seals packing Ø15 mm | 1 | |
| 1.905-654.0 | KIT crankcase seals | 1 | |
| 1.905-655.0 | Connecting rod plunger rod assembly | 3 |
Ordinary maintenance2
| Part number | Description | Per pump | Suppliers |
|---|---|---|---|
| 1.099-835.0 | Plunger seals Ø15 mm | 1 | |
| 1.905-543.0 | Complete valve kit | 1 |
Optional parts1
| Part number | Description | Per pump | Suppliers |
|---|---|---|---|
| 9.853-426.0 | Threaded brass plug G1/4 | 1 |
Tools2
| Part number | Description | Per pump | Suppliers |
|---|---|---|---|
| 1.099-667.0 | Tool-kit | 1 | |
| 1.904-414.0 | Oil seal extractor tool-kit | 1 |
Exploded view
Parts list
Positions are the balloon numbers on Hawk's exploded view. A part with no number of its own comes in the kit shown beside it.
| Pos | Part number | Description | Qty | In kit |
|---|---|---|---|---|
| 1 | 9.850-376.0 | Crankcase | 1 | |
| 2 | Kit only | Plunger oil seal | 3 | 1.099-751.0 |
| 3 | Kit only | O-ring Ø1.78 x 31.47 | 3 | 1.099-835.0, 1.905-142.0, 1.905-653.0 |
| 4 | Kit only | Pressure ring 15 mm | 3 | 1.905-142.0, 1.905-653.0 |
| 5 | Kit only | Low pressure "U" seal Ø15 mm | 3 | 1.099-835.0, 1.905-142.0, 1.905-653.0 |
| 6 | Kit only | Intermediate ring 15 mm | 3 | 1.905-142.0, 1.905-653.0 |
| 7 | Kit only | High pressure "U" seal Ø15 mm | 3 | 1.099-835.0, 1.905-142.0, 1.905-653.0 |
| 8 | Kit only | Copper washer G1/2 | 1 | 1.905-142.0 |
| 9 | Kit only | Plug G1/2 | 1 | 1.905-142.0 |
| 10 | Kit only | Manifold housing | 1 | 1.905-142.0 |
| 11 | Kit only | O-ring Ø2.62 x 17.13 | 6 | 1.905-142.0, 1.905-543.0 |
| 12 | Kit only | Valve assembly | 6 | 1.905-142.0, 1.905-543.0 |
| 13 | Kit only | O-ring Ø2.62 x 20.29 | 6 | 1.904-251.0, 1.905-142.0, 1.905-543.0 |
| 14 | Kit only | Valve plug | 6 | 1.904-251.0, 1.905-142.0 |
| 15 | Kit only | Manifold stud bolt M8 x 65 geomet | 8 | 1.905-142.0 |
| 16 | Kit only | Washer Ø8,5 | 16 | 1.905-142.0 |
| 17 | Kit only | Copper washer G3/8 | 1 | 1.905-142.0 |
| 18 | Kit only | Plug G3/8 | 2 | 1.905-142.0, 1.905-654.0 |
| 19 | Kit only | Valve seat | 6 | 1.905-142.0, 1.905-543.0 |
| 20 | Kit only | Valve plate | 6 | 1.905-142.0, 1.905-543.0 |
| 21 | Kit only | Valve spring | 6 | 1.905-142.0, 1.905-543.0 |
| 22 | Kit only | Valve cage | 6 | 1.905-142.0, 1.905-543.0 |
| 23 | 9.851-115.0 | Washer Ø6.4/12.5 x 1.6 | 4 | |
| 24 | 9.851-474.0 | Hexagonal screw tcei M6 x 16 | 8 | |
| 25 | 9.850-622.0 | Closed bearing flange | 1 | |
| 26 | Kit only | O-ring Ø2.62 x 61.6 | 1 | 1.905-654.0 |
| 27 | 9.851-198.0 | Snap ring | 1 | |
| 28 | 9.850-464.0 | Double row ball bearing | 1 | |
| 29 | 9.850-158.0 | Hollow shaft | 1 | |
| 30 | 9.851-520.0 | Set screw stei M6 x 6 | 1 | |
| 31 | 9.851-286.0 | Oil dip stick | 1 | |
| 32 | Kit only | O-ring Ø3.53 x 55.56 | 1 | 1.905-654.0 |
| 33 | 9.850-351.0 | Needle roller bearing | 1 | |
| 34 | 9.850-652.0 | Engine flange gasket | 1 | |
| 35 | 9.851-521.0 | Set screw stei M4 x 5 | 1 | |
| 36 | 9.850-621.0 | Engine flange | 1 | |
| 37 | 9.851-157.0 | Spring washer Ø8.1/12.7 x 2 | 4 | |
| 38 | 9.851-482.0 | Flange screw tcei M8 x 30 | 4 | |
| 39 | 9.850-008.0 | Crankshaft seal | 1 | |
| 40 | 9.851-509.0 | Engine screw 5/16" | 4 | |
| 41 | 9.851-131.0 | Washer Ø8.2/20 x 1.5 | 4 | |
| 42 | 9.851-152.0 | Spring washer 08 | 4 | |
| 43 | 9.851-510.0 | Engine screw 3/8" | 4 | |
| 44 | 9.851-132.0 | Washer Ø10/18 x 2 | 4 | |
| 45 | 9.850-839.0 | Spring washer Ø10 | 4 | |
| 46 | Kit only | Plunger nut M6 | 3 | 1.099-837.0, 1.905-655.0 |
| 47 | Kit only | Washer Ø9,2/13,5 x 0,5 | 3 | 1.099-837.0, 1.905-655.0 |
| 48 | Kit only | Plunger 15 mm | 3 | 1.099-837.0 |
| 49 | Kit only | Copper spacer Ø9.3/24 x 0.5 | 3 | 1.099-837.0 |
| 50 | Kit only | O-ring Ø1.78 x 5.28 | 3 | 1.099-837.0, 1.905-655.0 |
| 51 | Kit only | Teflon ring | 3 | 1.099-837.0, 1.905-655.0 |
| 52 | Kit only | Plunger rod | 3 | 1.905-655.0 |
| 53 | Kit only | Connecting rod pin | 3 | 1.905-655.0 |
| 54 | Kit only | Connecting rod | 3 | 1.905-655.0 |
| 55 | Kit only | Spring washer Ø6 | 6 | 1.905-655.0 |
| 56 | Kit only | Connecting rod screw M6 x 30 | 6 | 1.905-655.0 |
| 57 | Kit only | O-ring Ø2.62 x 126.67 | 1 | 1.905-654.0 |
| 58 | 9.850-388.0 | Crankcase cover | 1 | |
| 59 | Kit only | O-ring Ø1.78 x 14 | 1 | 1.905-654.0 |
| 60 | Kit only | Sight glass, G3/4 | 1 | 1.905-654.0 |
Motor
Rated at 3400 rpm, the speed of a 2-pole motor on a 60 Hz supply. The motors below are listed with their 50 Hz figures and are at least 9 kW. Order the one you pick wound for 60 Hz and your supply voltage.
| Motor | kW | rpm | Frame | Class | A at 400 V | Suppliers |
|---|---|---|---|---|---|---|
| RNE 160Ma2 | 11 | 2950 | IEC 160M | IE3 | 19.7 | |
| RN 160Ma2 | 11 | 2930 | IEC 160M | IE1 | 21.9 | |
| RN 132Ma2 uprated | 9.2 | 2920 | IEC 132M | IE1 | 18 |
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 132, 38 mm shaft (RN 132Ma2) No Hawk flange listed for this motor.
- IEC 160, 42 mm shaft (RNE 160Ma2, RN 160Ma2) No Hawk flange listed for this motor.
Coupling
The flexible coupling joins the motor shaft to the pump shaft inside the flange.
- IEC 132, 38 mm motor shaft No Hawk coupling listed: you need one for a 38 mm motor shaft to the pump shaft.
- IEC 160, 42 mm motor shaft No Hawk coupling listed: you need one for a 42 mm motor shaft to the pump shaft.