Data sheet
| Hydraulic data | |
|---|---|
| Minimum efficiency index (MEI) | 0.4 |
| Min. fluid temperature Tmin | -20 °C |
| Max. fluid temperature Tmax | 120 °C |
| Max. ambient temperature Tmax | 50 °C |
| Maximum operating pressure PN | 10 bar |
| Motor data | |
|---|---|
| Mains connection | 1~230 V, 50 Hz |
| Number of poles | 2 |
| Voltage tolerance | ±6 % |
| Rated power P2 | 0.75 kW |
| Rated current IN | 4.9 A |
| Rated speed n | 2900 1/min |
| Power factor cos φ100 | 0.92 |
| Insulation class | F |
| Protection class motor | IP55 |
| Motor protection | PTC |
| Materials | |
|---|---|
| Pump housing | Stainless steel |
| Impeller | Stainless steel 1.4301 |
| Shaft | Stainless steel |
| Mechanical seal | B9Q1EF |
| Installation dimensions | |
|---|---|
| Pipe connection, suction side DNs | G 1¼ |
| Pipe connection, discharge side DNd | G 1 |
Pump curves
Dimensions and dimensions drawings
Atmos BST Thread Dim. List

| Product description | Atmos BST 25/160-0.75/2-V4 |
| Dimensions DN1 | 32 |
| Dimensions DN1 | 25 |
| Dimensions B2 | 40 |
| Dimensions M5 | 53 |
| Dimensions H1 | 106 |
| Dimensions H2 | 121 |
| Dimensions S | 9 |
| Dimensions W | 208 |
| Dimensions X | 151 |
| Dimensions A | 53 |
| Dimensions H | 227 |
| Dimensions L1 | 146 |
| Dimensions L2 | 98 |
| Dimensions L4 | 44 |
| Dimensions L | 322 |
| Dimensions W1 | 120 |
Ordering information
| Product data | |
|---|---|
| Brand | Wilo |
| Product description | Atmos BST 25/160-0.75/2-V4 |
| Article number | 9187031 |
| EAN number | 4062679366647 |
| Colour | Green/black/silver |
| Minimum order quantity | 1 |
| Date of sales availability | 2023-05-10 |
| Packaging | |
|---|---|
| Packaging type | Cardboard box |
| Packaging property | Transport packaging |
| Pieces per pallet | 1 |
| Number per layer | 1 |
| Dimension, weight | |
|---|---|
| Length with packaging | 370 mm |
| Length L | 327 mm |
| Height with packaging | 270 mm |
| Height H | 229 mm |
| Width with packaging | 235 mm |
| Width W | 208 mm |
| Gross weight, approx. m | 10.6 kg |
| Net weight, approx. m | 9.8 kg |
| Operating data | |
|---|---|
| Min. fluid temperature Tmin | -20 °C |
| Max. fluid temperature Tmax | 120 °C |
| Min. ambient temperature Tmin | -15 °C |
| Max. ambient temperature Tmax | 50 °C |
| Maximum operating pressure PN | 10 bar |
| Minimum efficiency index (MEI) | 0.4 |
| Motor data | |
|---|---|
| Mains connection | 1~230 V, 50 Hz |
| Voltage tolerance | ±6 % |
| Rated power P2 | 750 W |
| Rated speed n | 2900 1/min |
| Rated current IN | 4.9 A |
| Power factor cos φ100 | 0.92 |
| Insulation class | F |
| Protection class | IP55 |
| Materials | |
|---|---|
| Pump housing | Stainless steel |
| Impeller | Stainless steel |
| Shaft | Stainless steel |
| Shaft seal | B9Q1EF |
| Installation dimensions | |
|---|---|
| Pipe connection, suction side DNs | G 1¼ |
| Pipe connection, discharge side DNd | G 1 |
| Ordering information | |
|---|---|
| Brand | Wilo |
| Product description | Atmos BST 25/160-0.75/2-V4 |
| Net weight, approx. m | 9.8 kg |
| Article number | 9187031 |
