NK 500 plunger pump
NK-B 21/500 R
Part number 879300
- 20.4Flow, l/min
- 500Pressure, bar
- 1000Speed, rpm
- 19.5Power, kW
50 Hz Rated at a motor speed for 50 Hz mains (UK, Europe, Africa, Australia, most of Asia).
Specification
- Flow
- 20.4 l/min
- Pressure
- 500 bar
- Speed
- 1000 rpm
- Absorbed power
- 19.5 kW
- Shaft
- Solid, Ø30 mm
Kits
High pressure seals1
| Part number | Description | Per pump | Suppliers |
|---|---|---|---|
| KIT 153 | High pressure seal kit |
Plungers1
| Part number | Description | Per pump | Suppliers |
|---|---|---|---|
| KIT 254 | Plunger kit |
Valves1
| Part number | Description | Per pump | Suppliers |
|---|---|---|---|
| KIT 286 | Valve kit |
Low pressure seals1
| Part number | Description | Per pump | Suppliers |
|---|---|---|---|
| KIT 287 | Low pressure seal kit |
Parts list
The parts that come in this pump's service kits, by Udor part number.
Motor
A 6-pole motor of at least 19.5 kW drives this pump at 1000 rpm.
| Motor | kW | rpm | Frame | Class | A at 400 V | Suppliers |
|---|---|---|---|---|---|---|
| RN 200b6 | 22 | 980 | IEC 200 | IE1 | 44 |
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 200, 55 mm shaft (RN 200b6) No Udor flange listed for this motor.
Coupling
The flexible coupling joins the motor shaft to the pump shaft inside the flange.
- IEC 200, 55 mm motor shaft No Udor coupling listed: you need one for a 55 mm motor shaft to 30 mm pump shaft.
Other Udor NK 500 pumps
NK-B 18/500 RNK-C 26/500 RNK-C 30/500 RNK-D 6.5/75 RNK-D 8.0/75 R