U 5.40 (XL K)Pumping speed 40 m³/hUltimate pressure 1 mbarU 5.71 3Ph 230/400 V 50 Hz / 265/460, 230/400 V 60 Hz, UL/CSA
The Becker U 5.71 is an oil-lubricated rotary vane vacuum pump with a pumping speed of 70 m³/h at 50 Hz (84 m³/h at 60 Hz) and an ultimate pressure of < 0.1 mbar. It is particularly suitable for the vacuum packaging of food. Ehrler & Beck advises on selection, accessories and service.
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- Pumping speed 70 m³/h 50 Hz 84 m³/h 60 Hz
- Ultimate pressure 0.1 mbar
- Rated motor power 1.5 kW 50 Hz 1.8 kW 60 Hz
| Motor variant | Motor order number |
|---|---|
| 3Ph 230/400 V 50 Hz / 265/460, 230/400 V 60 Hz, UL/CSA (selected) | 42088422300114RE |
| 3Ph 400 V 50 Hz / 230/460, 208 V 60 Hz, UL/CSA | 42188407300114RE |
| 3Ph 200/350 V 50 Hz / 220/380–400, 200/350 V 60 Hz, UL/CSA | 42088453300114RE |
| 3Ph 400/690 V 60 Hz, UL/CSA | 42188454300114RE |
| 3Ph 290/500 V 50 Hz / 330/575 V 60 Hz, UL/CSA | 42088457300114RE |
Becker U 5.71 – oil-lubricated rotary vane vacuum pump
The U 5.71 delivers 70 m³/h at 50 Hz and 84 m³/h at 60 Hz and reaches an ultimate pressure of < 0.1 mbar; for continuous operation Becker gives a working range of < 0.1–400 mbar. Installed motor power: 1.5 / 1.8 kW. Sound pressure level 64 / 67 dB(A) at 50 / 60 Hz. Weight: 60.5 kg with motor. Dimensions 696 × 380 × 330 mm, oil quantity 2 l.Use
Becker calls the U series ideal for the vacuum packaging of food – from vacuum chamber machines and flow-pack machines to tray sealers. Becker lists the U 5.71 in its current download area with its own data sheet, but not in the international online product catalogue.Equipment
- Gas ballast valve
- Non-return valve
- High-efficiency oil separator element
Further versions
- U 5.71 O2-PACK: version for MAP packaging with more than 20.9 % oxygen
Advice and service
Ehrler & Beck supports you in selecting the right size and motor version, supplies oil, filters and spare parts and carries out maintenance and repair.| Pumping speed 50Hz | 70 |
|---|---|
| Pumping speed 60Hz | 84 |
| Ultimate pressure | 0.1 |
| Rated motor power 50Hz | 1.5 |
| Rated motor power 60Hz | 1.8 |
| Motor efficiency class | IE3 |
| Weight | 60.5 |
| Length | 69.6 |
| Width | 38 |
| Height | 33 |
| Inlet connection flange | G 1 1/4" |
| Noise level | 64 dB(A) |
| Cooling method | Air cooling |
Further technical data
| Motor | Data |
|---|---|
| Motor order number | 42088422300114RE |
| Pump types according to Becker | U 5.71 U 5.71/0-62 XL |
| Phases | 3~ (three-phase) |
| 50 Hz | 1.5 kW (2.0 hp) · Δ230/Y400 V · IE3 · 1420 min⁻¹ · 6.4/3.7 A |
| 60 Hz | 1.8 kW (2.4 hp) · Δ265/Y460 V · IE3 · 1715 min⁻¹ · 6.4/3.7 A 1.8 kW (2.4 hp) · Δ230/Y400 V · 1675 min⁻¹ · 6.9/4.0 A |
| Version | CE • UL • CSA IP55 • ISO F • PTO |
| Motor length M1 | 315.0 mm |
| Overall length L1 with pump | U 5.71: 696.0 mm U 5.71/0-62 XL: 693.5 mm |
| Motor weight | 19.5 kg |
| Motor data according to | Becker Motor Specifications for Pumps and Blowers (09/2026), item 7-10 |
Additional technical data
| Technical data | Value |
|---|---|
| Design | Rotary vane vacuum pump, oil-lubricated, air-cooled |
| Pumping speed 50 Hz / 60 Hz | 70 / 84 m³/h |
| Ultimate pressure (absolute) | < 0.1 mbar |
| Working range in continuous operation | < 0.1–400 mbar |
| Installed motor power 50 Hz / 60 Hz | 1.5 / 1.8 kW |
| Sound pressure level 50 Hz / 60 Hz | 64 / 67 dB(A) |
| Weight | 60.5 kg with motor |
| Dimensions L × W × H | 696 × 380 × 330 mm |
| Connections | Vacuum G 1 1/4"; exhaust via deflector hood (optional thread G 1 1/4") |
| Oil quantity | 2 l |
| Becker data sheet | Dated 2023-05-09 |
| Version | Description |
|---|---|
| U 5.71 O2-PACK | Version for MAP packaging with more than 20.9 % oxygen |






