BK plunger pump
BKC 21/25 S
Part number 906400
- 21Flow, l/min
- 250Pressure, bar
- 1450Speed, rpm
- 10Power, kW
50 Hz Rated at a motor speed for 50 Hz mains (UK, Europe, Africa, Australia, most of Asia).
Specification
- Flow
- 21 l/min
- Pressure
- 250 bar
- Speed
- 1450 rpm
- Absorbed power
- 10 kW
- Shaft
- Solid
Exploded view (PDF, Udor)Dimensions (PDF, Udor)Data sheet (PDF, Udor)
Kits
High pressure seals1
| Part number | Description | Per pump | Suppliers |
|---|---|---|---|
| KIT 28 | High pressure seal kit |
Valves1
| Part number | Description | Per pump | Suppliers |
|---|---|---|---|
| KIT 30 | Valve kit |
Plungers1
| Part number | Description | Per pump | Suppliers |
|---|---|---|---|
| KIT 206 | Plunger kit |
Low pressure seals1
| Part number | Description | Per pump | Suppliers |
|---|---|---|---|
| KIT 208 | Low pressure seal kit |
Parts list
The parts that come in this pump's service kits, by Udor part number.
Motor
A 4-pole motor of at least 10 kW drives this pump at 1450 rpm.
| Motor | kW | rpm | Frame | Class | A at 400 V | Suppliers |
|---|---|---|---|---|---|---|
| RNE 160Ma4 | 11 | 1475 | IEC 160M | IE3 | 22.4 | |
| RN 160Ma4 | 11 | 1450 | IEC 160M | IE1 | 22.4 | |
| RN 132Mc4 uprated | 11 | 1430 | IEC 132M | IE1 | 24 |
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 132Mc4) BC10
- IEC 160, 42 mm shaft (RNE 160Ma4, RN 160Ma4) No Udor 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 Udor coupling listed: you need one for a 38 mm motor shaft to the pump shaft.
- IEC 160, 42 mm motor shaft No Udor coupling listed: you need one for a 42 mm motor shaft to the pump shaft.
Gearbox for engine drive
Other Udor BK pumps
BKC 13/30 SBKC 15/25 SBKC 15/30 SBKC 15/30 T MIBKC 18/25 SBKC 21/25 T MIBKD 4.0/44 SBKD 5.0/36 SBKL 4.0/36 WBKL 4.0/44 WBKL 5.0/36 W