GPX plunger pump
GPX2560SR
Part number 1.904-667.0
- 25Flow, l/min
- 600Pressure, bar
- 1000Speed, rpm
- 28.5Power, kW
50 or 60 Hz The maker gives figures for both supplies.
Specification
- Flow
- 25 l/min (30 l/min at 60 Hz)
- Pressure
- 600 bar
- Speed
- 1000 rpm (1200 rpm at 60 Hz)
- Absorbed power
- 28.5 kW (31 kW at 60 Hz)
- Max water temperature
- 65 °C
- Shaft side
- Right
- Shaft
- Solid
- Inlet
- G 3/4
- Outlet
- G 1/2
- Weight
- 70 kg
- Oil
- 3.5 litres, SAE 10W-40
Kits
Extraordinary maintenance6
| Part number | Description | Per pump | Suppliers |
|---|---|---|---|
| 1.904-472.0 | Manifold screw kit | 1 | |
| 1.904-474.0 | Crankcase seal kit | 1 | |
| 1.904-477.0 | Circulation pipe kit | 1 | |
| 1.904-478.0 | Plunger oil seal kit | 1 | |
| 1.905-628.0 | Plunger, 20 mm | 3 | |
| 1.905-629.0 | Connecting rod and plunger rod assembly | 3 |
Ordinary maintenance2
| Part number | Description | Per pump | Suppliers |
|---|---|---|---|
| 1.905-626.0 | Complete seal packing, 20 mm | 1 | |
| 1.905-627.0 | Valve kit | 1 |
Tools2
| Part number | Description | Per pump | Suppliers |
|---|---|---|---|
| 1.905-635.0 | Tool-kit | 1 | |
| 1.905-636.0 | 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 | 9.850-372.0 | Crankcase | 1 | |
| 2 | Kit only | Oil seal | 3 | 1.904-478.0 |
| 3 | 9.850-361.0 | Spacer | 1 | |
| 4 | 9.853-295.0 | Support ring Ø20 | 3 | |
| 5 | Kit only | “u” lp seal Ø20 | 3 | 1.905-626.0 |
| 6 | 9.850-494.0 | Intermediate ring Ø20 | 3 | |
| 7 | Kit only | “u” hp seal Ø20 | 3 | 1.905-626.0 |
| 8 | Kit only | Scraper Ø20 | 3 | 1.905-626.0 |
| 9 | Kit only | Bush guide Ø20 | 3 | 1.905-626.0 |
| 10 | Kit only | Back ring OR3137 | 3 | 1.905-626.0 |
| 11 | Kit only | O-ring 3137 – NBR90 | 12 | 1.905-626.0 |
| 12 | 9.851-328.0 | Stainless steel plug G1/2” | 1 | |
| 13 | 9.851-192.0 | Bonded seal G1/2” | 1 | |
| 14 | 9.851-331.0 | Plug G1” | 1 | |
| 15 | 9.850-752.0 | Copper washer G1” | 1 | |
| 16 | 9.851-409.0 | Manifold | 1 | |
| 17 | Kit only | Washer M16 | 4 | 1.904-472.0 |
| 18 | Kit only | Screw M16 x 240 | 4 | 1.904-472.0 |
| 19 | Kit only | Screw M20 x 170 | 2 | 1.904-472.0 |
| 20 | Kit only | Spring washer M20 | 2 | 1.904-472.0 |
| 21 | Kit only | Valve assembly | 6 | 1.905-627.0 |
| 22 | Kit only | Valve seat | 3 | 1.905-627.0 |
| 23 | Kit only | Valve plate | 6 | 1.905-627.0 |
| 24 | Kit only | Back ring OR3093 | 3 | 1.905-627.0 |
| 25 | Kit only | O-ring 3093 – NBR70 | 6 | 1.905-627.0 |
| 26 | Kit only | Spring | 6 | 1.905-627.0 |
| 27 | Kit only | Valve cage | 6 | 1.905-627.0 |
| 28 | Kit only | Valve cage | 6 | 1.905-627.0 |
| 29 | Kit only | Valve spacer | 6 | 1.905-627.0 |
| 30 | Kit only | Back ring OR3137 | 9 | 1.905-627.0 |
| 31 | 9.853-647.0 | Manifold cover | 1 | |
| 32 | 9.853-652.0 | Washer M14 | 8 | |
| 33 | 9.853-651.0 | Screw M14 x 55 | 8 | |
| 34 | 9.851-468.0 | Screw M8 x 25 | 12 | |
| 35 | 9.850-646.0 | Closed housing | 1 | |
| 36 | Kit only | O-ring 3475 – NBR70 | 2 | 1.904-474.0 |
| 37 | 9.850-353.0 | Bearing | 2 | |
| 38 | 9.853-655.0 | Crankshaft “i” | 1 | |
| 39 | 9.850-449.0 | Crankshaft key | 1 | |
| 40 | 9.851-284.0 | Oil dip stick G3/4 | 1 | |
| 41 | 9.850-645.0 | Bearing housing | 1 | |
| 42 | Kit only | Oil seal | 1 | 1.904-474.0 |
| 43 | Kit only | Plunger nut | 3 | 1.905-628.0, 1.905-629.0 |
| 44 | Kit only | O-ring 2037 – NBR70 | 3 | 1.905-628.0, 1.905-629.0 |
| 45 | Kit only | Back ring OR2037 | 3 | 1.905-628.0, 1.905-629.0 |
| 46 | Kit only | Plunger screw | 3 | 1.905-629.0 |
| 47 | Kit only | Plunger Ø20 | 3 | 1.905-628.0 |
| 48 | Kit only | Plunger washer | 3 | 1.905-628.0, 1.905-629.0 |
| 49 | Kit only | Nut | 3 | 1.905-629.0 |
| 50 | Kit only | Elastic bowl | 3 | 1.905-629.0 |
| 51 | Kit only | Plunger spacer | 3 | 1.905-629.0 |
| 52 | Kit only | Pressure disc | 3 | 1.905-629.0 |
| 53 | Kit only | Plunger rod | 3 | 1.905-629.0 |
| 54 | Kit only | Seeger | 6 | 1.905-629.0 |
| 55 | Kit only | Connecting rod pin | 3 | 1.905-629.0 |
| 56 | Kit only | Connecting rod | 3 | 1.905-629.0 |
| 57 | Kit only | Washer M8 | 6 | 1.905-629.0 |
| 58 | Kit only | Screw M8 x 50 | 6 | 1.905-629.0 |
| 59 | Kit only | O-ring Ø2,62 x 255 - NBR90 | 1 | 1.904-474.0 |
| 60 | 9.850-395.0 | Crankcase cover | 1 | |
| 61 | Kit only | O-ring 3068 - NBR70 | 1 | 1.904-474.0 |
| 62 | Kit only | Plug g ½” | 1 | 1.904-474.0 |
| 63 | Kit only | Sight glass G1” | 1 | 1.904-474.0 |
| 64 | 9.851-480.0 | Screw M6 x 22 | 8 | |
| 65 | Kit only | Red rilsan pipe 6/4 | 3 | 1.904-477.0 |
| 66 | Kit only | Fitting G1/8-6/4 | 6 | 1.904-477.0 |
| 67 | 9.851-353.0 | Plug G1/8 | 1 | |
| 68 | 9.851-256.0 | Pin | 3 | |
| 69 | 9.853-834.0 | Cylinder head spacer | 2 | |
| 70 | 9.851-305.0 | Plug G1/4 | 6 | |
| 71 | 9.853-581.0 | Bonded seal G1/4 | 6 | |
| 72 | 9.850-549.0 | Shim | 1 |
Motor
This pump needs 28.5 kW at 1000 rpm, more than the largest motor of that speed listed here.
Flange
The flange depends on the motor, so it is chosen with the motor.
Coupling
The coupling depends on the motor shaft, so it is chosen with the motor.