NHDP Stainless Steel Chemical plunger pump
NHDP8520ESAL
Part number 1.905-086.0
- 8.5Flow, l/min
- 200Pressure, bar
- 1450Speed, rpm
- 3.2Power, kW
50 or 60 Hz The maker gives figures for both supplies.
Specification
- Flow
- 8.5 l/min (10.1 l/min at 60 Hz)
- Pressure
- 200 bar
- Speed
- 1450 rpm (1740 rpm at 60 Hz)
- Absorbed power
- 3.2 kW (3.9 kW at 60 Hz)
- Max water temperature
- 65 °C
- Shaft side
- Left
- Shaft
- Solid
- Inlet
- G 1/2
- Outlet
- G 3/8
- Weight
- 8.2 kg
- Oil
- 0.4 litres, SAE 10W40
Kits
Extraordinary maintenance6
| Part number | Description | Per pump | Suppliers |
|---|---|---|---|
| 1.099-738.0 | Plunger, 16 mm | 3 | |
| 1.099-740.0 | Plunger oil seal kit | 1 | |
| 1.905-096.0 | Complete manifold, 16 mm | 1 | |
| 1.905-098.0 | Complete seal packing, 16 mm | 1 | |
| 1.905-624.0 | Crankcase seal kit | 1 | |
| 1.905-742.0 | Connecting rod and plunger rod assembly | 3 |
Ordinary maintenance2
| Part number | Description | Per pump | Suppliers |
|---|---|---|---|
| 1.905-095.0 | Complete valve kit | 1 | |
| 1.905-097.0 | Plunger seal kit, 16 mm | 1 |
Tools2
| Part number | Description | Per pump | Suppliers |
|---|---|---|---|
| 1.905-137.0 | Tool-kit ordinario nhdp ebch/es | 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 | 9.854-036.0 | Red crankcase | 1 | |
| 2 | Kit only | Plunger oil seal | 3 | 1.099-740.0 |
| 3 | Kit only | O-ring Ø1.78 x 26.7 EPDM | 3 | 1.905-096.0, 1.905-097.0, 1.905-098.0 |
| 4 | Kit only | Pressure ring Ø16 mm | 3 | 1.905-096.0, 1.905-098.0 |
| 5 | Kit only | Sealing ring Ø16 x 24 x 8 "U" PTFE | 3 | 1.905-096.0, 1.905-097.0, 1.905-098.0 |
| 6 | Kit only | Ring AISI 316 | 3 | 1.905-096.0, 1.905-098.0 |
| 7 | Kit only | Sealing ring Ø16 x 26 x 9,5 "U" PTFE | 3 | 1.905-096.0, 1.905-097.0, 1.905-098.0 |
| 8 | Kit only | AISI 316 washer seal G1/2 | 1 | 1.905-096.0 |
| 9 | Kit only | Inox 316 plug G1/2 | 1 | 1.905-096.0 |
| 10 | Kit only | AISI 316 cylinderhead | 1 | 1.905-096.0 |
| 11 | Kit only | O-ring 2062 - Ø1,78 x 15,60 EPDM | 6 | 1.905-095.0, 1.905-096.0 |
| 12 | Kit only | AISI 316 valve assembly | 6 | 1.905-095.0, 1.905-096.0 |
| 13 | Kit only | Lock-washer AISI316 | 2 | 1.905-096.0 |
| 14 | Kit only | A4 manifold stud bolt M14 x 60 | 2 | 1.905-096.0, 1.905-097.0, 1.905-098.0 |
| 15 | Kit only | Bonded seal G3/8 AISI 316 | 1 | 1.905-096.0 |
| 16 | Kit only | AISI 316 plug G 3/8 | 1 | 1.905-096.0, 1.905-624.0 |
| 17 | Kit only | Valve seat | 6 | 1.905-095.0, 1.905-096.0 |
| 18 | Kit only | Valve plate | 6 | 1.905-095.0, 1.905-096.0 |
| 19 | Kit only | Valve spring | 6 | 1.905-095.0, 1.905-096.0 |
| 20 | Kit only | O-ring 617 - Ø2,62 x 17,86 EPDM | 6 | 1.905-095.0, 1.905-096.0 |
| 21 | Kit only | AISI 316 cap valve | 6 | 1.905-095.0, 1.905-096.0 |
| 22 | 9.851-475.0 | Screw M6 x 16 AISI 316 | 12 | |
| 23 | 9.854-038.0 | Bearing cover AISI 316 | 2 | |
| 24 | Kit only | Bearing seal | 1 | 1.905-624.0 |
| 25 | 9.850-554.0 | Crankshaft seal spacer | 2 | |
| 26 | 9.851-198.0 | Snap ring Ø25 mm | 1 | |
| 27 | 9.850-460.0 | Ball bearing | 2 | |
| 28 | 9.850-226.0 | Single-ended shaft | 1 | |
| 29 | 9.850-446.0 | Crankshaft key | 1 | |
| 30 | Kit only | Crankshaft seal | 1 | 1.905-624.0 |
| 31 | 9.851-286.0 | Oil dip stick | 1 | |
| 32 | Kit only | Plunger bolt | 3 | 1.099-738.0 |
| 33 | Kit only | Bonded seal - Ø6,7 x 11 x 1 AISI 304 | 3 | 1.099-738.0 |
| 34 | Kit only | Plunger Ø16 mm | 3 | 1.099-738.0 |
| 35 | Kit only | Copper spacer | 3 | 1.099-738.0 |
| 36 | Kit only | Plunger rod | 3 | 1.905-742.0 |
| 37 | Kit only | Connecting rod pin | 3 | 1.905-742.0 |
| 38 | Kit only | Connecting rod | 3 | 1.905-742.0 |
| 39 | Kit only | Spring washer Ø6 mm | 6 | 1.905-742.0 |
| 40 | Kit only | Connecting rod screw | 6 | 1.905-742.0 |
| 41 | Kit only | O-ring Ø2.62 x 111.62 | 1 | 1.905-624.0 |
| 42 | 9.854-035.0 | Red crankcase cover | 1 | |
| 43 | Kit only | O-ring Ø1.78 x 14 | 1 | 1.905-624.0 |
| 44 | Kit only | Tappo ottone G3/8 | 1 | 1.905-624.0 |
| 45 | Kit only | Sight glass G3/4 | 1 | 1.905-624.0 |
Motor
A 4-pole motor of at least 3.2 kW drives this pump at 1450 rpm on 50 Hz. Single-phase motors are listed last, for a 230 V supply. On a 60 Hz supply a motor with the same poles turns it at 1740 rpm, where it takes 3.9 kW. Order that motor wound for 60 Hz and rated for at least that power.
| Motor | kW | rpm | Frame | Class | A at 400 V | Suppliers |
|---|---|---|---|---|---|---|
| RNE 112a4 | 4 | 1450 | IEC 112 | IE3 | 8.2 | |
| RN 112a4 | 4 | 1430 | IEC 112 | IE1 | 8.5 | |
| RN 100c4 uprated | 4 | 1405 | IEC 100 | IE1 | 9.1 | |
| RNM 112d4 | 4 | 1400 | IEC 112 | Single-phase | 22 at 230 V |
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 100, 28 mm shaft (RN 100c4) 1.099-529.0 Motor flange, IEC 100/112 B14
- IEC 112, 28 mm shaft (RNE 112a4, RN 112a4, RNM 112d4) 1.099-529.0 Motor flange, IEC 100/112 B14
Coupling
The flexible coupling joins the motor shaft to the pump shaft inside the flange.
- IEC 100, 28 mm motor shaft 1.099-543.0 Flexible coupling, IEC 100/112, 28 mm motor to 24 mm pump
- IEC 112, 28 mm motor shaft 1.099-543.0 Flexible coupling, IEC 100/112, 28 mm motor to 24 mm pump