Features/Product Advantages
Compact, close-coupled modular design featuring a directly flange-mounted three-phase motor and a single-piece motor/pump shaft
Available in cast stainless steel (BM-S) and cast bronze (BM-B) versions to suit a wide range of applications
Power ratings and key dimensions comply with EN 733 standards (DIN standard pumps)
Pump casing and motor are equipped with feet as standard, facilitating base-plate mounting
Design
Close-coupled, dry-rotor pump with flange connections
Applications
Suitable for pumping hot water (compliant with VDI 2035), water-glycol mixtures, cooling water, and cold water in heating, cooling, and chilled water systems (media must be free of abrasive substances).
Model Code
|
Example |
BM-S 40/165-4/2 |
|
-S |
Close-coupled pump made of stainless steel castings |
|
-B |
Close-coupled pump made of bronze castings |
|
40 |
Nominal diameter (DN) of the pipe connection (pressure port) |
|
165 |
Nominal impeller diameter |
|
4 |
Motor rated power P2, in kW |
|
2 |
Number of poles |
Technical Data
Minimum Efficiency Index (MEI) ≥ 0.4
Permissible temperature range: -10 °C to +90 °C
Mains connection: 3~400 V, 50 Hz
Protection class: IP55
Nominal diameter: DN 32 to DN 125
Max. operating pressure: 10 bar
Materials
BM-B pump housing: Bronze CuSn10
BM-S pump housing: Cast stainless steel 1.4408
BM-B impeller: Bronze CuSn 10
BM-S impeller: Cast stainless steel 1.4408
Shaft: 1.4362
Mechanical seal: Q1Q1VGG
Type
Single-stage, dry-rotor centrifugal pump made of cast stainless steel; compact modular design
Flanged connection to three-phase motor; non-split motor/pump shaft
Mechanical seal
Feet on pump housing and motor
Scope of Delivery
Pump
Installation and operating instructions
Options
Version ...-K3 with PTC thermistor sensor (surcharge applies)
Other mechanical seals available upon request


