The U 4.40 rotary vane vacuum pumps are high-quality, oil-lubricated pumps designed for demanding industrial applications. They provide a deep and stable vacuum, essential for processes such as packaging, plastics processing, drying, and many other uses. Utilizing the rotary vane principle, they operate with high efficiency and reliability, while the integrated lubrication system ensures long service life. Their compact design allows easy integration into existing systems, and their low-noise operation creates a comfortable working environment. Built for continuous operation, their robust construction withstands heavy loads, making them an ideal solution for industrial vacuum applications.
U 4.40 Technical Data
| Technical Specification | 50 Hz | 60 Hz |
|---|---|---|
| Suction Connection | G 1 | G 1 |
| Exhaust Connection | G 3/4 | G 3/4 |
| Nominal Pumping Speed | 41 m3/h | 48 m3/h |
| Absolute Vacuum | < 0.5 mbar | < 0.5 mbar |
| Weight | ≈ 38.0 kg | ≈ 38.0 kg |
| Sound Level | 69 db(A) | 71 db(A) |
| Operating Fluid | BECKER LUBE M 100 | S 100 | SL 100 | BECKER LUBE M 100 | S 100 | SL 100 |
| Operating Fluid Quantity | 1.0 l | 1.0 l |
Variant Technical Data
| Technical Specification | U4.40-1 | U4.40-2 | U4.40-3 | U4.40-4 | U4.40-5 | U4.40-6 |
|---|---|---|---|---|---|---|
| Power Supply | 3-ph Δ230/Y400 50 Hz Δ230/Y400 60 Hz Δ265/Y460 60 Hz | 3-ph Δ230/Y400 50 Hz Δ230/Y400 60 Hz Δ265/Y460 60 Hz | 3-ph Δ400 50 Hz Δ460 60 Hz Y208-230 60 Hz | 3-ph Δ200/Y350 50 Hz Δ220/Y380-400 60 Hz Δ200/Y350 60 Hz | 1-ph 220-240 +5% 50 Hz | 1-ph 220-240 +5% 60 Hz |
| Motor Power | 1.5 kW 50 Hz | 1.8 kW 60 Hz | 1.5 kW 50 Hz | 1.8 kW 60 Hz | 1.8 kW 60 Hz | 1.5 kW 50 Hz | 1.8 kW 60 Hz | 1.5 kW 50 Hz | 1.8 kW 60 Hz |
| Motor Speed at 50 Hz | 2,890 min-1 | 2,910 min-1 | – | 2,900 min-1 | 2,860 min-1 | – |
| Motor Speed at 60 Hz | 3,475 | 3,440 min-1 | 3,510 | 3,480 min-1 | 3,485 | 3,465 min-1 | 3,470 | 3,450 min-1 | – | 3,475 min-1 |
| Dimensions | see datasheet | see datasheet | see datasheet | see datasheet | see datasheet | see datasheet |



