Data sheet
| Hydraulic data | |
|---|---|
| Minimum efficiency index (MEI) | 0.4 |
| Maximum operating pressure PN | 10 bar |
| Min. fluid temperature Tmin | -10 °C |
| Max. fluid temperature Tmax | 90 °C |
| Min. ambient temperature Tmin | 0 °C |
| Max. ambient temperature Tmax | 40 °C |
| Motor data | |
|---|---|
| Mains connection | 3~400 V, 50 Hz |
| Number of poles | 4 |
| Voltage tolerance | ±10 % |
| Motor efficiency class | IE3 |
| Rated power P2 | 37 kW |
| Rated current IN | 69.9 A |
| Rated speed n | 1450 1/min |
| Power factor cos φ100 | 0.85 |
| Motor efficiency 50% ηM 50% | 93.3 % |
| Motor efficiency 75% ηM 75% | 94.2 % |
| Motor efficiency 100% ηM 100% | 93.9 % |
| Insulation class | F |
| Protection class motor | IP55 |
| Materials | |
|---|---|
| Pump housing | Bronze |
| Impeller | Bronze |
| Shaft | Stainless steel |
| Mechanical seal | Q1Q1VGG |
| Installation dimensions | |
|---|---|
| Pipe connection on the suction side DNs | DN 150 |
| Pipe connection on the discharge side DNd | DN 125 |
Pump curves
Dimensions and dimensions drawings
Wilo-BM
| Product description | BM-B 125/340-37/4 |
| Dimensions A | 140 mm |
| Dimensions f | 885 mm |
| Pump flange dimensions ØD | 285 mm |
| Dimensions Ød | 211 |
| Pump pipe connection pressure side B1 | 150 mm |
| Pump flange dimensions Ø k | 240 mm |
| Number of drilled holes n | 8 |
| Dimensions dL | 23 mm |
| Dimensions S | 24 |
| Dimensions DN1 | DN 150 |
| Dimensions b | 100 mm |
| Dimensions D | 22 mm |
| Dimensions H1 | 280 mm |
| Dimensions H2 | 355 mm |
| Dimensions M1 | 200 mm |
| Dimensions M2 | 150 mm |
| Dimensions n1 | 500 mm |
| Dimensions n2 | 400 mm |
| Dimensions s | 24 mm |
| Dimensions x1 | 570 mm |
| Dimensions x2 | 491 mm |
| Dimensions z1 | 436 mm |
| Dimensions z2 | 356 mm |
| Dimensions W | 255 mm |
Ordering information
| Product data | |
|---|---|
| Brand | Wilo |
| Product description | BM-B 125/340-37/4 |
| Article number | 2164398 |
| EAN number | 4048482626901 |
| Colour | Green |
| Minimum order quantity | 1 |
| Date of sales availability | 2009-09-01 |
| Packaging | |
|---|---|
| Packaging type | One-way pallet |
| Packaging property | Transport packaging |
| Pieces per pallet | 1 |
| Number per layer | 1 |
| Dimension, weight | |
|---|---|
| Length with packaging | 970 mm |
| Length L | 1025 mm |
| Height with packaging | 670 mm |
| Height H | 635 mm |
| Width with packaging | 600 mm |
| Width W | 520 mm |
| Gross weight, approx. m | 569 kg |
| Net weight, approx. m | 562 kg |
Single-stage glanded centrifugal pump in compact close-coupled design with directly flanged three-phase motor and one-piece shaft. With forced-flow circulation, bidirectional bellows mechanical seal and cavitation-reducing impeller. The pump is suitable for installation on a base.
| Operating data | |
|---|---|
| Min. fluid temperature Tmin | -10 °C |
| Max. fluid temperature Tmax | 90 °C |
| Min. ambient temperature Tmin | 0 °C |
| Max. ambient temperature Tmax | 40 °C |
| Maximum operating pressure PN | 10 bar |
| Minimum efficiency index (MEI) | 0.4 |
| Motor data | |
|---|---|
| Motor efficiency class | IE3 |
| Mains connection | 3~400 V, 50 Hz |
| Voltage tolerance | ±10 % |
| Rated power P2 | 37000 W |
| Rated speed n | 1450 1/min |
| Rated current IN | 69.9 A |
| Power factor cos φ100 | 0.85 |
| Motor efficiency 50% ηM 50% | 93.3 % |
| Motor efficiency 75% ηM 75% | 94.2 % |
| Motor efficiency 100% ηM 100% | 93.9 % |
| Insulation class | F |
| Protection class | IP55 |
| Materials | |
|---|---|
| Pump housing | Bronze |
| Impeller | Bronze |
| Shaft | Stainless steel |
| Shaft seal | Q1Q1VGG |
| Installation dimensions | |
|---|---|
| Pipe connection on the suction side DNs | DN 150 |
| Pipe connection on the discharge side DNd | DN 125 |
| Ordering information | |
|---|---|
| Brand | Wilo |
| Product description | BM-B 125/340-37/4 |
| Net weight, approx. m | 562 kg |
| Article number | 2164398 |
Filtered by
Datasheet and documentation
Installation type
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Wilo-DDG 10 Signal Trans.(4-20mA)2G VP. | 2136454 | ||
Wilo-DDG 20 Signal Trans.(4-20mA)2G VP. | 2136456 | ||
Wilo-DDG 40 Signal Trans.(4-20mA)2G VP. | 2136458 | ||
Wilo-DDG 60 Signal Trans.(4-20mA)2G VP. | 2136460 | ||
Wilo-DDG 100 Signal Trans.(4-20mA) | 2211740 | ||
Electrical accessories
Differential pressure detection (5) | |||
DDG (4-20mA) | |||
Wilo-DDG 10 Signal Trans.(4-20mA)2G VP. | 2136454 | ||
Wilo-DDG 20 Signal Trans.(4-20mA)2G VP. | 2136456 | ||
Wilo-DDG 40 Signal Trans.(4-20mA)2G VP. | 2136458 | ||
Wilo-DDG 60 Signal Trans.(4-20mA)2G VP. | 2136460 | ||
Wilo-DDG 100 Signal Trans.(4-20mA) | 2211740 | ||
With Wilo as your partner, you can not only be sure of choosing high-quality product solutions, but also of benefiting from a comprehensive, worry-free package of well thought-out services. We collaborate to develop a service concept tailored to your individual needs; with our expertise and personal consultancy, we make sure that the operation of your systems is as energy-efficient, reliable and economical as possible. All the while our competent Wilo service technicians are ready to assist you with fast, reliable and on-time support.
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Maintenance PREMIUM Glanded pumps | 2219546 | ||
Repairs | |||
Repair Glanded pumps | 2219610 | ||
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