CronoBloc-BL 50/305-7,5/4
Article number: 9140217
Number of results: 1
Product design type | Glanded monobloc pump | Existing pump |
Description | ||
Product description | Atmos GIGA-B 50/305-7,5/4 | CronoBloc-BL 50/305-7,5/4 |
Article number | 9140217 | 9140217 |
Series | Wilo-Atmos GIGA-B | - |
Mains connection | - | 3~400 V ±10%, 50 Hz |
Pump connection | - | DN 65 |
Comment | Change piping | - |
Motor data | ||
Materials | ||
Pipe connection | ||
Dimension, weight | ||
Ordering information |
Hydraulic data | |
---|---|
Minimum efficiency index (MEI) | ≥0.4 |
Min. fluid temperature Tmin | -20 °C |
Max. fluid temperature Tmax | 140 °C |
Max. ambient temperature Tmax | 40 °C |
Maximum operating pressure PN | 16 bar |
Note on dimensioning | 16 bar to 120 °C, 13 bar to 140 °C |
Motor data | |
---|---|
Mains connection | 3~400 V, 50 Hz |
Number of poles | 4 |
Voltage tolerance | ±10 % |
Motor efficiency class | IE3 |
Rated power P2 | 7.5 kW |
Rated current IN | 16 A |
Rated speed n | 1450 1/min |
Power factor cos φ100 | 0.81 |
Motor efficiency 50% ηM 50% | 87.4 % |
Motor efficiency 75% ηM 75% | 89.3 % |
Motor efficiency 100% ηM 100% | 89.8 % |
Motor winding up to 3 kW | - |
Motor winding from 4 kW | - |
Insulation class | F |
Protection class motor | IP55 |
Motor protection | PTC integrated |
Materials | |
---|---|
Pump housing | 5.1301/EN-GJL-250 KTL-coated |
Impeller | Grey cast iron EN-GJL-200 |
Shaft | Stainless steel |
Mechanical seal | AQ1EGG |
Installation dimensions | |
---|---|
Pipe connection on the suction side DNs | DN 65 |
Pipe connection on the discharge side DNd | DN 50 |
CronoBloc-BL 50/305-7,5/4
∆: Connection diagram delta connection
Y: Connection diagram star connection
Motor protection switch required on-site. Check the direction of rotation! To change the direction of rotation, exchange any two phases.
P2≤ 3 kW | 3~400 V Y |
3~230 V ∆ | |
P2≥ 4 kW | 3~690 V Y |
3~400 V ∆ |
After removing the bridges, Y-∆ start is possible.
Installation and operating instructions
Take advantage of the latest replacement guide
The current replacement guide on all glandless pumps for heating and drinking water applications makes choosing the right pump easier for you. Here, you will find a suitable new Wilo pump for all known pumps built after 1975.
After entering your old pump data, select the current pump type.