NHDP-G1 plunger pump
NHDP1420G1R
Part number 1.904-597.0
- 14.4Flow, l/min
- 200Pressure, bar
- 3400Speed, rpm
- 5.5Power, kW
60 Hz Rated at a motor speed for 60 Hz mains (North America, parts of South America and Asia).
Specification
- Flow
- 14.4 l/min
- Pressure
- 200 bar
- Speed
- 3400 rpm
- Absorbed power
- 5.5 kW
- Max water temperature
- 65 °C
- Shaft side
- Right
- Shaft
- Solid
- Inlet
- 1/2” G
- Outlet
- 3/8” G
- Weight
- 8.9 kg
- Oil
- 0.4 litres, SAE 10W40
Kits
Extraordinary maintenance7
| Part number | Description | Per pump | Suppliers |
|---|---|---|---|
| 1.099-740.0 | Plunger oil seal kit | 1 | |
| 1.099-833.0 | Plunger Ø14 mm | 3 | |
| 1.904-249.0 | Valve plug assembly | 6 | |
| 1.904-741.0 | Complete seals packing Ø14 mm | 1 | |
| 1.904-742.0 | Complete manifold | 1 | |
| 1.905-622.0 | KIT crankcase seals | 1 | |
| 1.905-742.0 | Connecting rod and plunger rod assembly | 3 |
Ordinary maintenance2
| Part number | Description | Per pump | Suppliers |
|---|---|---|---|
| 1.904-743.0 | Plunger seals Ø14 mm | 1 | |
| 1.905-617.0 | Complete valve kit | 1 |
Optional parts1
| Part number | Description | Per pump | Suppliers |
|---|---|---|---|
| 9.853-424.0 | Threaded brass plug G1/4 | 1 |
Tools2
| Part number | Description | Per pump | Suppliers |
|---|---|---|---|
| 1.904-744.0 | Tool-kit | 1 | |
| 1.905-591.0 | Tool-kit extraordinary | 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 | 9.850-369.0 | Crankcase | 1 | |
| 2 | 9.853-555.0 | Cilynder head spacer | 1 | |
| 3 | Kit only | Plunger oil seal | 3 | 1.099-740.0 |
| 4 | Kit only | O-ring Ø1.78 x 26.7 | 3 | 1.904-741.0, 1.904-742.0, 1.904-743.0 |
| 5 | Kit only | "U" seal Ø14 mm | 3 | 1.904-741.0, 1.904-742.0, 1.904-743.0 |
| 6 | Kit only | Pressure ring Ø14 mm | 3 | 1.904-741.0, 1.904-742.0 |
| 7 | Kit only | "U" seal Ø14 mm | 3 | 1.904-741.0, 1.904-742.0, 1.904-743.0 |
| 8 | Kit only | Copper washer G1/2 | 1 | 1.904-742.0 |
| 9 | Kit only | Brass plug G1/2 | 1 | 1.904-742.0 |
| 10 | Kit only | Cylinder head | 1 | 1.904-742.0 |
| 11 | Kit only | O-ring Ø1.78 x 15.6 | 6 | 1.904-742.0, 1.905-617.0 |
| 12 | Kit only | Valve assembly | 6 | 1.904-742.0, 1.905-617.0 |
| 13 | Kit only | O-ring Ø1,78 x 18.77 | 6 | 1.904-249.0, 1.904-742.0, 1.905-617.0 |
| 14 | Kit only | Valve plug | 6 | 1.904-249.0, 1.904-742.0 |
| 15 | Kit only | Screw M14 x 60 | 2 | 1.904-741.0, 1.904-742.0, 1.904-743.0 |
| 16 | Kit only | Lock-washer | 2 | 1.904-742.0 |
| 17 | Kit only | Copper washer G3/8 | 1 | 1.904-742.0 |
| 18 | Kit only | Brass plug G 3/8 | 2 | 1.904-742.0, 1.905-622.0 |
| 19 | Kit only | Valve seat | 6 | 1.904-742.0, 1.905-617.0 |
| 20 | Kit only | Valve plate | 6 | 1.904-742.0, 1.905-617.0 |
| 21 | Kit only | Valve spring | 6 | 1.904-742.0, 1.905-617.0 |
| 22 | Kit only | Valve cage | 6 | 1.904-742.0, 1.905-617.0 |
| 23 | 9.851-474.0 | Screw M6 x 16 | 8 | |
| 24 | 9.850-379.0 | Bearing cover | 1 | |
| 25 | Kit only | Bearing seal | 1 | 1.905-622.0 |
| 26 | 9.850-554.0 | Crankshaft seal spacer | 1 | |
| 27 | 9.851-198.0 | Snap ring Ø25 mm | 1 | |
| 28 | 9.850-460.0 | Ball bearing | 1 | |
| 29 | 9.850-221.0 | Hollow shaft | 1 | |
| 30 | 9.851-286.0 | Oil dip stick | 1 | |
| 31 | 9.850-354.0 | Needle roller bearing | 1 | |
| 32 | Kit only | Crankshaft seal | 1 | 1.905-622.0 |
| 33 | 9.851-152.0 | Lock-washer | 4 | |
| 34 | 9.851-509.0 | Hexagonal screw | 4 | |
| 35 | 9.851-131.0 | Washer | 4 | |
| 36 | 9.851-510.0 | Screw | 4 | |
| 37 | 9.850-839.0 | Lock-washer | 4 | |
| 38 | 9.851-132.0 | Washer | 4 | |
| 39 | 9.851-491.0 | Screw M6 x 20 | 4 | |
| 40 | Kit only | Spring washer Ø6 mm | 10 | 1.905-622.0 |
| 41 | 9.850-633.0 | Engine flange | 1 | |
| 42 | Kit only | Plunger bolt | 3 | 1.099-833.0 |
| 43 | Kit only | Bonded seal - Ø6,7 x 11 x 1 AISI 304 | 3 | 1.099-833.0 |
| 44 | Kit only | Plunger Ø14 mm | 3 | 1.099-833.0 |
| 45 | Kit only | Copper spacer | 3 | 1.099-833.0 |
| 46 | Kit only | Plunger rod | 3 | 1.905-742.0 |
| 47 | Kit only | Connecting rod pin | 3 | 1.905-742.0 |
| 48 | Kit only | Connecting rod | 3 | 1.905-742.0 |
| 49 | Kit only | Connecting rod screw | 6 | 1.905-742.0 |
| 50 | Kit only | O-ring Ø2.62 x 111.62 | 1 | 1.905-622.0 |
| 51 | 9.850-392.0 | Crankcase cover | 1 | |
| 52 | Kit only | O-ring Ø1.78 x 14 | 1 | 1.905-622.0 |
| 53 | Kit only | Sight glass G3/4 | 1 | 1.905-622.0 |
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 5.5 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 132Sa2 | 5.5 | 2920 | IEC 132S | IE3 | 10 | |
| RN 132Sa2 | 5.5 | 2910 | IEC 132S | IE1 | 11.1 | |
| RN 112b2 uprated | 5.5 | 2870 | IEC 112 | IE1 | 11 |
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 112b2) No Hawk flange listed for this motor.
- IEC 132, 38 mm shaft (RNE 132Sa2, RN 132Sa2) No Hawk 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 Hawk coupling listed: you need one for a 28 mm motor shaft to the pump shaft.
- IEC 132, 38 mm motor shaft No Hawk coupling listed: you need one for a 38 mm motor shaft to the pump shaft.