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 | 2 |
| Voltage tolerance | ±10 % |
| Motor efficiency class | IE3 |
| Rated power P2 | 4 kW |
| Rated current IN | 7.52 A |
| Rated speed n | 2900 1/min |
| Power factor cos φ100 | 0.84 |
| Motor efficiency 50% ηM 50% | 86.2 % |
| Motor efficiency 75% ηM 75% | 87.7 % |
| Motor efficiency 100% ηM 100% | 88.1 % |
| Insulation class | F |
| Protection class motor | IP55 |
| Materials | |
|---|---|
| Pump housing | Bronze |
| Impeller | Bronze |
| Shaft | Stainless steel |
| Mechanical seal | Q1Q1VGG |
| Installation dimensions | |
|---|---|
| Pipe connection, suction side DNs | DN 65 |
| Pipe connection, discharge side DNd | DN 40 |
Pump curves
Dimensions and dimensions drawings
Wilo-BM
| Product description | BM-B 40/185-4/2 |
| Dimensions DN1 | 65 |
| Dimensions DN1 | 40 |
| Dimensions dL | 19 |
| Dimensions dL | 19 |
| Pump flange dimensions Ø k | 145 |
| Pump flange dimensions Ø k | 110 |
| Number of drilled holes n | 4 |
| Number of drilled holes n | 4 |
| Pump flange dimensions ØD | 185 mm |
| Pump flange dimensions ØD | 150 mm |
| Dimensions M1 | 100 |
| Dimensions M2 | 70 |
| Dimensions N1 | 265 |
| Dimensions H1 | 160 |
| Dimensions N2 | 212 |
| Dimensions H2 | 180 |
| Dimensions S | 14 |
| Dimensions W | 304 |
| Dimensions A | 100 |
| Dimensions B | 50 |
| Dimensions F | 426 |
| Pump flange dimensions Ød | 118 mm |
| Pump flange dimensions Ød | 84 mm |
Ordering information
| Product data | |
|---|---|
| Brand | Wilo |
| Product description | BM-B 40/185-4/2 |
| Article number | 2103282 |
| EAN number | 4048482068275 |
| Colour | Green |
| Minimum order quantity | 1 |
| Date of sales availability | 2009-09-01 |
| Packaging | |
|---|---|
| Packaging type | Cardboard box |
| Packaging property | Transport packaging |
| Pieces per pallet | 1 |
| Number per layer | 1 |
| Dimension, weight | |
|---|---|
| Length with packaging | 560 mm |
| Length L | 526 mm |
| Height with packaging | 370 mm |
| Height H | 340 mm |
| Width with packaging | 320 mm |
| Width W | 285 mm |
| Gross weight, approx. m | 65 kg |
| Net weight, approx. m | 63 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 | 4000 W |
| Rated speed n | 2900 1/min |
| Rated current IN | 7.52 A |
| Power factor cos φ100 | 0.84 |
| Motor efficiency 50% ηM 50% | 86.2 % |
| Motor efficiency 75% ηM 75% | 87.7 % |
| Motor efficiency 100% ηM 100% | 88.1 % |
| Insulation class | F |
| Protection class | IP55 |
| Materials | |
|---|---|
| Pump housing | Bronze |
| Impeller | Bronze |
| Shaft | Stainless steel |
| Shaft seal | Q1Q1VGG |
| Installation dimensions | |
|---|---|
| Pipe connection, suction side DNs | DN 65 |
| Pipe connection, discharge side DNd | DN 40 |
| Ordering information | |
|---|---|
| Brand | Wilo |
| Product description | BM-B 40/185-4/2 |
| Net weight, approx. m | 63 kg |
| Article number | 2103282 |
Filtered by
Datasheet and documentation
Installation type
Continuous, infinitely variable control, differential pressure-sensitive CC-HVAC system (23) | |||
CC-HVAC system | |||
CC-HVAC-System 1x10A-T34-DOL-FC-WM | 2527824 | ||
CC-HVAC-System 3x10A-T34-DOL-FC-WM | 2527826 | ||
CC-HVAC-System 4x10A-T34-DOL-FC-WM | 2527827 | ||
CC-HVAC-System 5x10A-T34-DOL-FC-WM | 2527828 | ||
CC-HVAC-System 6x10A-T34-DOL-FC-WM | 2527829 | ||
Antenna GSM/GPRS | |||
D-network dual-band antenna with 3 m cable | 2533862 | ||
D-network tri-band antenna 10 m cable | 2533863 | ||
D-network tri-band antenna 15 m cable | 2533864 | ||
Outdoor temperature sensor Pt 100 | |||
Outdoor temperature sensor Pt 100 | 2533772 | ||
DDG impulse selector | |||
DDG impulse selector | 2533770 | ||
BMS base module | |||
BMS base module | 2533800 | ||
Communication module ModBus | |||
Communication module Modbus RTU | 2533869 | ||
Pump signalling module | |||
Signalling module pump 1-2 | 2533812 | ||
Signalling module pump 3-6 | 2533836 | ||
Signal converter retrofit kit | |||
Signal converter 0-10 V / 0-20 mA | 2534992 | ||
Connection cable control modules/signalling modules | |||
Signalling modules connecting cable | 2533890 | ||
Control modules connecting cable | 2533790 | ||
PTC thermistor tripping unit | |||
PTC thermistor tripping unit | 509275993 | ||
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 | ||
Continuous, infinitely variable control, temperature-dependent CC-HVAC system (19) | |||
CC-HVAC system | |||
CC-HVAC-System 1x10A-T34-DOL-FC-WM | 2527824 | ||
CC-HVAC-System 3x10A-T34-DOL-FC-WM | 2527826 | ||
CC-HVAC-System 4x10A-T34-DOL-FC-WM | 2527827 | ||
CC-HVAC-System 5x10A-T34-DOL-FC-WM | 2527828 | ||
CC-HVAC-System 6x10A-T34-DOL-FC-WM | 2527829 | ||
Antenna GSM/GPRS | |||
D-network dual-band antenna with 3 m cable | 2533862 | ||
D-network tri-band antenna 10 m cable | 2533863 | ||
D-network tri-band antenna 15 m cable | 2533864 | ||
Outdoor temperature sensor Pt 100 | |||
Outdoor temperature sensor Pt 100 | 2533772 | ||
BMS base module | |||
BMS base module | 2533800 | ||
Communication module ModBus | |||
Communication module Modbus RTU | 2533869 | ||
Pump signalling module | |||
Signalling module pump 1-2 | 2533812 | ||
Signalling module pump 3-6 | 2533836 | ||
Signal converter retrofit kit | |||
Signal converter 0-10 V / 0-20 mA | 2534992 | ||
Temperature module | |||
Temperature module for systems with 1-3 pumps | 2534991 | ||
Temperature module for systems with 4-6 pumps | 2533771 | ||
Connection cable control modules/signalling modules | |||
Signalling modules connecting cable | 2533890 | ||
Control modules connecting cable | 2533790 | ||
PTC thermistor tripping unit | |||
PTC thermistor tripping unit | 509275993 | ||
Continuous, infinitely variable control, differential pressure-sensitive SC-HVAC system (25) | |||
Antenna GSM/GPRS | |||
D-network dual-band antenna with 3 m cable | 2533862 | ||
D-network tri-band antenna 10 m cable | 2533863 | ||
D-network tri-band antenna 15 m cable | 2533864 | ||
Outdoor temperature sensor Pt 100 | |||
Outdoor temperature sensor Pt 100 | 2533772 | ||
DDG impulse selector | |||
DDG impulse selector | 2533770 | ||
SC communication module BACnet | |||
SC-communication module BACnet MS/TP (slave) | 2538242 | ||
Communication module LON (SC) | |||
Communication module LON (SC) | 2538243 | ||
Pump signalling module | |||
Signalling module pump 1-2 | 2533812 | ||
Signalling module pump 3-6 | 2533836 | ||
SC-HVAC signal board | |||
SC-HVAC signal board | 2119646 | ||
PTC thermistor tripping unit | |||
PTC thermistor tripping unit | 509275993 | ||
Communication module GSM (SC) | |||
Communication module GSM (SC) | 2542216 | ||
SC/SC-FC-HVAC system | |||
SC-HVAC system 1x10A-WM (direct starting) | 2545326 | ||
SC-HVAC system 2x10A-WM (direct starting) | 2545327 | ||
SC-HVAC system 3x10A-WM (direct starting) | 2545328 | ||
SC-HVAC system 4x10A-WM (direct starting) | 2545329 | ||
SC-FC-HVAC system 1x10A-FC-WM (direct starting) | 2545442 | ||
SC-FC-HVAC system 2x10A-FC-WM (direct starting) | 2545443 | ||
SC-FC-HVAC system 3x10A-FC-WM (direct starting) | 2545444 | ||
SC-FC-HVAC system 4x10A-FC-WM (direct starting) | 2545445 | ||
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 | ||
Continuous, infinitely variable control, temperature-dependent SC-HVAC system (19) | |||
Antenna GSM/GPRS | |||
D-network dual-band antenna with 3 m cable | 2533862 | ||
D-network tri-band antenna 10 m cable | 2533863 | ||
D-network tri-band antenna 15 m cable | 2533864 | ||
Outdoor temperature sensor Pt 100 | |||
Outdoor temperature sensor Pt 100 | 2533772 | ||
SC communication module BACnet | |||
SC-communication module BACnet MS/TP (slave) | 2538242 | ||
Communication module LON (SC) | |||
Communication module LON (SC) | 2538243 | ||
Pump signalling module | |||
Signalling module pump 1-2 | 2533812 | ||
Signalling module pump 3-6 | 2533836 | ||
SC-HVAC signal board | |||
SC-HVAC signal board | 2119646 | ||
PTC thermistor tripping unit | |||
PTC thermistor tripping unit | 509275993 | ||
Communication module GSM (SC) | |||
Communication module GSM (SC) | 2542216 | ||
SC/SC-FC-HVAC system | |||
SC-HVAC system 1x10A-WM (direct starting) | 2545326 | ||
SC-HVAC system 2x10A-WM (direct starting) | 2545327 | ||
SC-HVAC system 3x10A-WM (direct starting) | 2545328 | ||
SC-HVAC system 4x10A-WM (direct starting) | 2545329 | ||
SC-FC-HVAC system 1x10A-FC-WM (direct starting) | 2545442 | ||
SC-FC-HVAC system 2x10A-FC-WM (direct starting) | 2545443 | ||
SC-FC-HVAC system 3x10A-FC-WM (direct starting) | 2545444 | ||
SC-FC-HVAC system 4x10A-FC-WM (direct starting) | 2545445 | ||
Mechanical accessories
Pipe installation, adapter fitting (1) | |||
Intermediate flange connecting piece F | |||
Intermediate flange pieces F 1-MS, DN 40x30mm, PN 10/16 | 2060920 | ||
Electrical accessories
Pump control (1) | |||
Wilo-EFC | |||
EFC4 3x380-480V 50/60Hz IP55 | 2193436 | ||
Pump control/accessories (25) | |||
Sensor card EFC | |||
Sensor Input Card MCB Wilo-EFC | 6084915 | ||
Communication module CC | |||
CC communication module | 2533850 | ||
Connection cable control modules/signalling modules | |||
Control modules connecting cable | 2533790 | ||
Signalling modules connecting cable | 2533890 | ||
BMS base module | |||
BMS base module | 2533800 | ||
Antenna GSM/GPRS | |||
D-network dual-band antenna with 3 m cable | 2533862 | ||
D-network tri-band antenna 10 m cable | 2533863 | ||
D-network tri-band antenna 15 m cable | 2533864 | ||
SMA/FME adapter | 2545548 | ||
Pump signalling module | |||
Signalling module pump 1-2 | 2533812 | ||
Signalling module pump 3-6 | 2533836 | ||
Outdoor temperature sensor Pt 100 | |||
Outdoor temperature sensor Pt 100 | 2533772 | ||
Signal converter retrofit kit | |||
Signal converter 0-10 V / 0-20 mA | 2534992 | ||
DDG impulse selector | |||
DDG impulse selector | 2533770 | ||
Temperature module | |||
Temperature module for systems with 4-6 pumps | 2533771 | ||
Temperature module for systems with 1-3 pumps | 2534991 | ||
Communication module ModBus | |||
Communication module Modbus RTU | 2533869 | ||
SC communication module BACnet | |||
SC-communication module BACnet MS/TP (slave) | 2538242 | ||
BACnet IP SC communication module | 2553366 | ||
Communication module LON (SC) | |||
Communication module LON (SC) | 2538243 | ||
Communication module GSM (SC) | |||
Communication module GSM (SC) | 2542216 | ||
SC-HVAC signal board | |||
SC-HVAC signal board | 2119646 | ||
Output filter EFC (150-500 m cable length) | |||
10 A sin IP54 Wilo-EFC filter | 6084562 | ||
10 A sin IP00 Wilo-EFC filter | 6084577 | ||
10 A sin IP20 Wilo-EFC filter | 6084903 | ||
Pump control/Comfort control system (5) | |||
CC-HVAC system | |||
CC-HVAC-System 1x10A-T34-DOL-FC-WM | 2527824 | ||
CC-HVAC-System 3x10A-T34-DOL-FC-WM | 2527826 | ||
CC-HVAC-System 4x10A-T34-DOL-FC-WM | 2527827 | ||
CC-HVAC-System 5x10A-T34-DOL-FC-WM | 2527828 | ||
CC-HVAC-System 6x10A-T34-DOL-FC-WM | 2527829 | ||
Pump control/Smart control system (8) | |||
SC/SC-FC-HVAC system | |||
SC-HVAC system 1x10A-WM (direct starting) | 2545326 | ||
SC-HVAC system 2x10A-WM (direct starting) | 2545327 | ||
SC-HVAC system 3x10A-WM (direct starting) | 2545328 | ||
SC-HVAC system 4x10A-WM (direct starting) | 2545329 | ||
SC-FC-HVAC system 1x10A-FC-WM (direct starting) | 2545442 | ||
SC-FC-HVAC system 2x10A-FC-WM (direct starting) | 2545443 | ||
SC-FC-HVAC system 3x10A-FC-WM (direct starting) | 2545444 | ||
SC-FC-HVAC system 4x10A-FC-WM (direct starting) | 2545445 | ||
Pump control/interface module (5) | |||
IF Modules EFC | |||
Profibus DP MCA Wilo-EFC | 2193451 | ||
DeviceNet MCA Wilo-EFC | 2193452 | ||
Profinet MCA Wilo-EFC | 2193453 | ||
Ethernet/IP MCA Wilo-EFC | 2193454 | ||
Modbus TCP MCA Wilo-EFC | 2193455 | ||
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 | ||
Motor protection (1) | |||
PTC thermistor tripping unit | |||
PTC thermistor tripping unit | 509275993 | ||
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.
Read moreExtended Warranty | |||
Extended Warranty Glanded pumps | 2219590 | ||
Supervision | |||
Supervision Glanded pumps | 2219321 | ||
Installation | |||
Installation Glanded pumps | 2219356 | ||
Commissioning | |||
Commissioning Glanded pumps | 2219391 | ||
Maintenance | |||
Maintenance BASIC Glanded pumps | 2219531 | ||
Maintenance COMFORT Glanded pumps | 2219493 | ||
Maintenance PREMIUM Glanded pumps | 2219546 | ||
System Optimisation | |||
System Optimisation Glanded pumps | 2219251 | ||
Energy Solutions | |||
Energy Solutions Glanded pumps | 2219240 | ||
Repairs | |||
Repair Glanded pumps | 2219610 | ||
