U 5.40 (XL K)Pumping speed 40 m³/hUltimate pressure 1 mbar
U 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
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 |
Convert units: vacuum and pressure units · Nm³/h to m³/h
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 |
| Product name | Part number |
|---|---|
| Maintenance kit | 566500 54200 |
| Repair kit (without index) | 566300 54100 |
| Repair kit (Index A) | 566303 59300 |
| Seal kit | 549000 54200 |
| Screw kit | 966900 54200 |
| Oil sight glass kit | 566100 54200 |
| Adapter | 064800 54200 |
| Anchor screw | 034103 99628 |
| Spacer disc (index A) | 011400 10700 |
| Throttle disc (without index) | 030700 54100 |
| Filter plate (variant XL, with long oil tank) | 008001 59200 |
| Filter element (variant XL, with long oil tank) | 740001 54200 |
| Gas ballast, complete (optional) | 768754 99626 |
| Gas ballast, complete - standard | 768756 99626 |
| Housing (index A) | 000103 54100 |
| Housing (without index) | 000102 54100 |
| Rubber buffer | 741310 60000 |
| Rubber buffer | 741324 00000 |
| Handle | 921500 50000 |
| Canopy | 018311 54200 |
| Hollow screw | 948402 00000 |
| Banjo bolt with nozzle - standard | 548400 54100 |
| Banjo bolt without nozzle (optional) | 948401 00000 |
| Socket head screw (index A) | 945318 00000 |
| Socket head screw (index A) | 945333 00000 |
| Socket head screw - M5x25 (variant XL, with long oil tank) | 945309 04000 |
| Clamping disc (without index) | 950184 00000 |
| Rotor (index A) | 020002 54100 |
| Rotor (without index) | 020001 54100 |
| Ball valve (with hose connection 19 mm) | 521601 99400 |
| Spherical piece screw | 009400 19000 |
| Cooler | 960203 54200 |
| Copper ring | 948033 00000 |
| Copper ring (without index) | 936353 00000 |
| Coupling half with fan | 502301 54200 |
| Coupling hub, drive side | 902100 54200 |
| Clutch disc | 902200 54200 |
| Lantern | 053201 54201 |
| Pipe | 512201 54200 |
| Pipe (index A) | 512204 54100 |
| Pipe (index A) | 512205 54100 |
| Pipe (without index) | 512202 54100 |
| Pipe (without index) | 512203 54100 |
| Pipe (variant XL, with long oil tank) | 512201 59200 |
| Air guide hood | 020800 54200 |
| Connection flange | 014900 54101 |
| Level sensor (optional) | 741107 99682 |
| Oil tank (index A) | 002406 54200 |
| Oil tank (without index) | 002404 54200 |
| Oil tank (variant XL, with long oil tank) | 002405 59200 |
| Oil tank cover, rear | 001700 54200 |
| Key | 947807 00000 |
| Grooved dowel pin | 948742 00000 |
| Eye bolt | 948802 00000 |
| Return suction unit (index A) | 012219 26200 |
| Return suction line (without index) | 012206 54200 |
| Suction valve cover | 067100 54200 |
| Suction valve unit | 537503 54200 |
| Silencer | 939701 00000 |
| Vane kit | 900503 00003 |
| Float, complete | 567803 01559 |
| Hexagon nut - M5 (variant XL, with long oil tank) | 947103 00000 |
| Side cover, complete, A side (without index) | 500801 54100 |
| Side cover, complete, B side (without index) | 500700 54100 |
| Side cover, A side (index A) | 000801 54100 |
| Side cover, B side (index A) | 000701 54100 |
| Service cover | 502501 54200 |
| Service cover | 502502 54200 |
| Service cover (standard) | 502500 54200 |
| Tension disc | 016801 54200 |
| Temperature sensor / mounting kit (optional) | 543403 00000 |
| Temperature switch (optional) | 743421 04000 |
| Tolerance sleeve (without index) | 911020 00000 |
| Diverter cap | 034900 54200 |
| Valve keeper | 029101 54200 |
| Valve plate | 033900 54200 |
| Plug | 951203 00000 |
| Plug | 951221 00100 |
| Maintenance indicator (optional) | 916801 99691 |
| Maintenance cover (with exhaust air connection and valve) | 503700 54200 |
| Maintenance cover (standard) | 003700 54200 |
| Shaft end screw | 901809 00000 |
| Air supply line (without index) | 012209 54201 |
| Dowel pin | 947628 01000 |
| Version | Description |
|---|---|
| U 5.71 O2-PACK | Version for MAP packaging with more than 20.9 % oxygen |
U 5.40 (XL K)Pumping speed 40 m³/hUltimate pressure 1 mbarU 5.45Pumping speed 45 m³/hUltimate pressure 0.5 mbarU 5.65 (XL K)Pumping speed 65 m³/hUltimate pressure 0.5 mbar
U 5.101Pumping speed 100 m³/hUltimate pressure 0.1 mbar
U 5.166Pumping speed 165 m³/hUltimate pressure 0.1 mbar
U 5.201Pumping speed 200 m³/hUltimate pressure 0.1 mbarU 5.301Pumping speed 300 m³/hUltimate pressure 0.1 mbar