O 6.4Pumping speed 4 m³/hUltimate pressure 2 mbar
O 5.21 (XL) Motor 416X7242644155IS 1Ph 230 V 50/60 Hz
The Becker O 5.21 (XL) is an oil-lubricated rotary vane vacuum pump with a pumping speed of 23.5 m³/h at 50 Hz (27 m³/h at 60 Hz) and an ultimate pressure of 2 mbar. It is designed for packaging and food processing machines. Ehrler & Beck advises on selection, accessories and service.
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- Pumping speed 23.5 m³/h 50 Hz 27 m³/h 60 Hz
- Ultimate pressure 2 mbar
- Rated motor power 0.75 kW 50 Hz 0.9 kW 60 Hz
| Motor variant | Motor order number |
|---|---|
| 3Ph 230/400 V 50 Hz / 230/400, 265/460 V 60 Hz | 41687222643000IS |
| 3Ph 200/350 V 50 Hz / 200/350, 220/380, 400 V 60 Hz | 41687253643000IS |
| 1Ph 230 V 50/60 Hz, Mate-N-Lok connector | 416X7242644000IS |
| 1Ph 230 V 50/60 Hz (selected) | 416X7242644155IS |
| 1Ph 115 V 60 Hz, UL/CSA, Mate-N-Lok connector | 41727204643114IS |
| 1Ph 115 V 60 Hz, UL/CSA | 41727204643154IS |
Becker O 5.21 (XL) – oil-lubricated rotary vane vacuum pump
The O 5.21 (XL) delivers 23.5 m³/h at 50 Hz and 27 m³/h at 60 Hz and reaches an ultimate pressure of 2 mbar. Installed motor power: 0.75 / 0.9 kW. Sound pressure level 64 / 69 dB(A) at 50 / 60 Hz. Weight: approx. 21.5 kg (XL) or approx. 20.0 kg (0.3 l oil tank), each with motor. Dimensions 320.5–353.5 × 227–278.5 × 196.4 mm (depending on the motor), oil quantity 0.5 l (XL) or 0.3 l.Use
Becker names packaging and food processing machines as typical areas of use. The pump has a high water vapour tolerance.Equipment
- Non-return valve
- High-efficiency oil separator element
- Freely configurable connection and service openings
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 | 23.5 |
|---|---|
| Pumping speed 60Hz | 27 |
| Ultimate pressure | 2 |
| Rated motor power 50Hz | 0.75 |
| Rated motor power 60Hz | 0.9 |
| Motor efficiency class | IE2 |
| Weight | 21.5 |
| Length | 35.35 |
| Width | 27.85 |
| Height | 19.64 |
| Inlet connection flange | G 3/4" / G 1/2" |
| Outlet connection flange | G 3/4" |
| 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 | 416X7242644155IS |
| Pump types according to Becker | O 5.21 (XL) O 5.25 O 5.25 XL K |
| Phases | 1~ (single-phase) |
| 50 Hz | 0.75 kW (1.0 hp) · 230 V +10/-8% · IE2 · 2870 min⁻¹ · 4.5 A |
| 60 Hz | 0.9 kW (1.2 hp) · 230 V +10/-8% · IE2 · 3410 min⁻¹ · 5.4 A |
| Version | CE IP55 • ISO F • PTO |
| Motor length M1 | 255.0 mm |
| Overall length L1 with pump | 353.5 mm |
| Motor weight | 15.0 kg |
| Motor data according to | Becker Motor Specifications for Pumps and Blowers (09/2026), item 6-14 |
Additional technical data
| Technical data | Value |
|---|---|
| Design | Rotary vane vacuum pump, oil-lubricated, air-cooled |
| Pumping speed 50 Hz / 60 Hz | 23.5 / 27 m³/h |
| Ultimate pressure (absolute) | 2 mbar |
| Installed motor power 50 Hz / 60 Hz | 0.75 / 0.9 kW |
| Sound pressure level 50 Hz / 60 Hz | 64 / 69 dB(A) |
| Weight | approx. 21.5 kg (XL) or approx. 20.0 kg (0.3 l oil tank), each with motor |
| Dimensions L × W × H | 320.5–353.5 × 227–278.5 × 196.4 mm (depending on the motor) |
| Connections | Vacuum: G 1/2" horizontal or G 3/4" vertical; exhaust G 3/4" |
| Oil quantity | 0.5 l (XL) or 0.3 l |
| Becker data sheet | Dated 2023-08-11 |
| Product name | Part number |
|---|---|
| Maintenance kit (short oil tank) (Index A) | 566500 64100 |
| Maintenance kit (long oil tank) (Index A) | 566500 64500 |
| Seal kit | 549000 54600 |
| Screw kit | 955300 55500 |
| Oil separator element (short oil tank) (without index) | 965410 64200 |
| Oil separator element (long oil tank) (without index) | 965410 64300 |
| Oil sight glass kit | 555300 55500 |
| Float valve kit | 555300 55800 |
| Foot | 015102 64300 |
| Gas ballast valve (optional) (optional) | 768713 99626 |
| Housing | 000110 64300 |
| Threaded flange, complete, with sieve, variant 1 - G½ horizontal | 507800 64300 |
| Threaded flange, complete, with sieve, variant 2 - G¾ vertical | 507825 64300 |
| Threaded flange, complete, with sieve, variant 3 - G¾ vertical | 507804 64300 |
| Rubber buffer | 941305 00000 |
| Rotor | 020000 64300 |
| Oil tank A | 002400 64200 |
| Oil tank A | 002400 64300 |
| Oil tank B | 002401 64200 |
| Oil tank B | 002401 64300 |
| Oil tank B (index A) | 002407 64300 |
| Oil level sensor (optional) (optional; index A) | 741122 99682 |
| Suction valve, complete, variant 1 | 537500 64300 |
| Suction valve, complete, variant 2 (spring-loaded) | 537525 64300 |
| Suction valve, complete, variant 3 | 537504 64300 |
| Silencer (index A) | 939700 40000 |
| Vane kit | 900592 00003 |
| Clamping bush | 016700 64300 |
| Transport device | 025100 64300 |
| Valve keeper | 029110 64300 |
| Valve plate | 033910 64300 |
| Screw plug G 1/8 | 951205 00000 |
| Maintenance cover | 003700 64300 |
| Maintenance cover with exhaust air connection - G¾ | 003702 64300 |
