BWT plunger pump
BWTC 21/20 S
Part number 429500
- 21Flow, l/min
- 200Pressure, bar
- 1450Speed, rpm
- 8Power, 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
- 200 bar
- Speed
- 1450 rpm
- Absorbed power
- 8 kW
- Shaft
- Solid, Ø24 mm
Exploded view (PDF, Udor)Dimensions (PDF, Udor)Data sheet (PDF, Udor)
Kits
Valves1
| Part number | Description | Per pump | Suppliers |
|---|---|---|---|
| KIT 43 | Valve kit |
High pressure seals1
| Part number | Description | Per pump | Suppliers |
|---|---|---|---|
| KIT 294 | High pressure seal kit |
Low pressure seals1
| Part number | Description | Per pump | Suppliers |
|---|---|---|---|
| KIT 295 | Low pressure seal kit |
Plungers1
| Part number | Description | Per pump | Suppliers |
|---|---|---|---|
| KIT 302 | Plunger 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 8 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 132Mb4 uprated | 9.2 | 1440 | IEC 132M | IE1 | 19.2 |
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 132Mb4) 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 24 mm pump shaft.
- IEC 160, 42 mm motor shaft No Udor coupling listed: you need one for a 42 mm motor shaft to 24 mm pump shaft.
Gearbox for engine drive
Other Udor BWT pumps
BWTC 15/20 SBWTC 18/20 SBWTD 4.0/30 SBWTD 5.0/30 SBWTD 6.0/30 S