U 4.20Pumping speed 18 m³/hUltimate pressure 1 mbar
U 4.400 SA/K 3Ph 230/400 V 50 Hz / 265/460, 230/400 V 60 Hz
The Becker U 4.400 SA/K is an oil-lubricated rotary vane vacuum pump with a pumping speed of 435 m³/h at 50 Hz (508 m³/h at 60 Hz) and an ultimate pressure of 3.0 mbar. The air-cooled pump is designed for continuous operation. Ehrler & Beck advises on selection, accessories and service.
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- Pumping speed 435 m³/h 50 Hz 508 m³/h 60 Hz
- Ultimate pressure 3 mbar
- Rated motor power 11 kW 50 Hz 13.2 kW 60 Hz
Becker U 4.400 SA/K – oil-lubricated rotary vane vacuum pump
The U 4.400 SA/K delivers 435 m³/h at 50 Hz and 508 m³/h at 60 Hz and reaches an ultimate pressure of 3.0 mbar. Installed motor power: 11.0 / 13.2 kW. Sound pressure level 73 / 76 dB(A) at 50 / 60 Hz. Weight: 278 kg without motor; approx. 400 kg with motor (Becker catalogue 2026). Dimensions 1368–1375 × 672 × 506 mm (depending on the motor), oil quantity 14 l.Use
Becker describes the U 4 pumps as a solution for various applications in different industries; they are designed for continuous operation.Equipment
- Non-return valve
- High-efficiency oil separator element
Further versions
- U 4.400 F/K: medium vacuum version with 0.5 mbar ultimate pressure
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 | 435 |
|---|---|
| Pumping speed 60Hz | 508 |
| Ultimate pressure | 3 |
| Rated motor power 50Hz | 11 |
| Rated motor power 60Hz | 13.2 |
| Motor efficiency class | IE3 |
| Weight | 400 |
| Length | 137.5 |
| Width | 67.2 |
| Height | 50.6 |
| Inlet connection flange | G 3" |
| Outlet connection flange | G 4" |
| Noise level | 73 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 | 43289622300005TA |
| Pump types according to Becker | U 4.400 SA/K + F/K |
| Phases | 3~ (three-phase) |
| 50 Hz | 11.0 kW (14.8 hp) · Δ230/Y400 V · IE3 · 987 min⁻¹ · 43.5/25.1 A |
| 60 Hz | 13.2 kW (17.7 hp) · Δ265/Y460 V · IE3 · 1186 min⁻¹ · 43.8/25.3 A 13.2 kW (17.7 hp) · Δ230/Y400 V · 1180 min⁻¹ · 46.9/27.1 A |
| Version | CE IP55 • ISO F • PTC |
| Motor length M1 | 586.0 mm |
| Overall length L1 with pump | 1375.0 mm |
| Motor weight | 163.0 kg |
| Motor data according to | Becker Motor Specifications for Pumps and Blowers (09/2026), item 8-01 |
Additional technical data
| Technical data | Value |
|---|---|
| Design | Rotary vane vacuum pump, oil-lubricated, air-cooled |
| Pumping speed 50 Hz / 60 Hz | 435 / 508 m³/h |
| Ultimate pressure (absolute) | 3.0 mbar |
| Installed motor power 50 Hz / 60 Hz | 11.0 / 13.2 kW |
| Sound pressure level 50 Hz / 60 Hz | 73 / 76 dB(A) |
| Weight | 278 kg without motor; approx. 400 kg with motor (Becker catalogue 2026) |
| Dimensions L × W × H | 1368–1375 × 672 × 506 mm (depending on the motor) |
| Connections | Vacuum G 3"; exhaust G 4" |
| Oil quantity | 14 l |
| Becker data sheet | Dated 2023-12-05 |
| Product name | Part number |
|---|---|
| Connection screw | 912300 00000 |
| Damping mat | 060900 26600 |
| Cover | 003700 26600 |
| Cover | 003701 26600 |
| Cover | 003702 26600 |
| Cover | 005603 26600 |
| Cover (index A) | 005600 26600 |
| Cover (index D, E) | 005604 26600 |
| Cover (index D, E) | 905600 21900 |
| Seal kit | 549000 26700 |
| Spacer | 068001 26600 |
| Spacer | 068004 26600 |
| Spacer | 068006 26600 |
| Spacer (index A) | 068005 26600 |
| Spacer (index A) | 068008 26600 |
| Spacer (index D, E) | 968008 26600 |
| Spacer (variant USA) | 068093 26600 |
| Pressure spring | 928602 80000 |
| Pressure spring | 928603 10000 |
| Pressure spring | 928603 30000 |
| Compression spring (index A) | 928603 20000 |
| Nozzle | 003300 10700 |
| Ermeto fitting | 761703 01000 |
| Ermeto fitting | 972308 00000 |
| Spring washer | 948511 00000 |
| Spring washer | 948516 00000 |
| Spring washer | 951710 00000 |
| Filter mat | 064600 26600 |
| Filter cartridge, F10 (index D, E) | 740001 05000 |
| Filter holder | 022800 26600 |
| Gas ballast valve (index D, E) | 768704 99626 |
| Housing (index A) | 000100 26600 |
| Housing (index D, E) | 000101 26600 |
| Threaded flange | 007800 26600 |
| Threaded flange (variant USA) | 007801 26600 |
| Threaded pin | 945633 00000 |
| Threaded pin | 945637 00000 |
| Coarse separator | 506000 12900 |
| Rubber buffer | 741341 00000 |
| Canopy | 518300 26600 |
| Banjo bolt (index A) | 048400 26600 |
| Banjo bolt without nozzle (index A) | 948401 00000 |
| Cap nut | 947402 00000 |
| Cap nut | 947410 00000 |
| Interior ring | 906600 00700 |
| Interior ring | 906600 00800 |
| Hex socket screw | 945333 00000 |
| Hex socket screw | 945351 00000 |
| Hex socket screw | 945353 00000 |
| Hex socket screw | 945388 00000 |
| Hex socket screw | 945389 00000 |
| Hex socket screw | 945390 00000 |
| Hex socket screw | 945391 00000 |
| Hex socket screw | 945392 00000 |
| Socket head screw (index A) | 945330 00000 |
| Socket head screw (index A) | 945331 00000 |
| Socket head screw (index D, E) | 945348 00000 |
| Socket head screw, DIN 912 M10x25 (index A) | 945349 00000 |
| Socket head screw, DIN 912 M10x30 | 945350 00000 |
| Grooved pin | 948744 00000 |
| Clamping disc | 950185 00000 |
| Rotor (index A) | 020000 26600 |
| Rotor (index D, E) | 020001 26600 |
| Spherical piece screw | 009400 19000 |
| Cooler (variant SA/K-25, with oil-to-water heat exchanger) | 560202 26600 |
| Cooler, complete | 560200 26600 |
| Plastic vanes (set) | 900580 00003 |
| Copper ring (variant SA/K-25, with oil-to-water heat exchanger) | 948029 00000 |
| Coupling half with fan | 502301 26600 |
| Clutch disc | 902227 00000 |
| Lantern | 053200 26600 |
| Pipe | 012204 26700 |
| Pipe | 012206 26600 |
| Pipe | 012207 26600 |
| Pipe (index A) | 512204 26600 |
| Oil separator element | 965410 00000 |
| Motor coupling | 902102 26600 |
| Motor coupling (variant USA) | 902103 26600 |
| Needle bearing (index D, E) | 906605 00000 |
| Level sensor (variant SA/K-51) | 741103 99682 |
| Oil separator cover | 002500 26600 |
| Oil separator cover | 002501 26600 |
| Oil separator cover | 002504 26600 |
| Oil separator cover (variant USA) | 002503 26600 |
| Oil separator housing (index A) | 002400 26600 |
| Oil separator housing (index D) | 002402 26600 |
| Oil separator housing (index E) | 002404 26600 |
| Oil separator housing (variant SA/K-25, SA/K-51) | 002401 26600 |
| Oil separator housing (variant SA/K-25, SA/K-51, with oil-to-water heat exchanger) | 002403 26600 |
| Oil separator housing (variant SA/K-25, SA/K-51, with oil-to-water heat exchanger) | 002405 26600 |
| Oil return line | 512200 26600 |
| Oil sight glass | 907309 00000 |
| Key | 947820 00000 |
| Adjusting shim | 917551 04000 |
| Baffle plate (index A) | 013300 26600 |
| Rubber profile (index A, D) | 064101 57000 |
| Rubber profile (index E) | 964114 00009 |
| Reducing nipple (variant SA/K-51) | 300300 07000 |
| Eye nut | 951604 00000 |
| Tubular heater (variant SA/K-51) | 560201 26600 |
| Washer (index A) | 030701 10700 |
| Washer (index A) | 030703 26600 |
| Washer (index A) | 062900 26600 |
| Washer (index D, E) | 016803 26600 |
| Screw cap (optional) | 916800 10000 |
| Float | 867800 99559 |
| Hexagon nut | 947107 00000 |
| Hexagon nut | 947109 00000 |
| Hexagon nut (index A) | 947104 00000 |
| Hexagon nut (index D, E) | 068010 26600 |
| Hexagon screw (index A) | 945224 00000 |
| Circlip | 948128 04000 |
| Circlip | 948215 00000 |
| Circlip (index A) | 948209 00000 |
| Circlip (index D, E) | 948209 10000 |
| Side cover (index A) | 000700 26600 |
| Side cover (index A) | 000800 26600 |
| Side cover (index D, E) | 000701 26600 |
| Side cover (index D, E) | 000801 26600 |
| Circlip | 948225 00000 |
| Sieve | 008000 26600 |
| Sieve | 008002 26600 |
| Sieve | 008003 26600 |
| Tension disc (index A) | 016800 26600 |
| Tension disc (index A) | 016801 26600 |
| Stud | 946811 00000 |
| Stud | 946945 00000 |
| Stud | 946962 00000 |
| Stud | 946967 00000 |
| Stud | 951041 02000 |
| Stud | 951049 02000 |
| Temperature sensor | 943400 90000 |
| Temperature switch (variant SA/K-51) | 943400 70000 |
| Washer | 947509 00000 |
| Washer | 947514 00000 |
| Washer | 947515 00000 |
| Washer (index A) | 947506 00000 |
| Valve (index E) | 537504 26400 |
| Valve bolt (index A) | 028500 26600 |
| Valve plate | 033901 26600 |
| Valve plate | 033904 26600 |
| Valve washer | 030700 26600 |
| Valve disc (index A) | 030701 26600 |
| Valve disc (index A) | 030702 26600 |
| Valve support | 029100 26600 |
| Plug | 912871 00000 |
| Plug | 951220 00100 |
| Plug | 951221 00100 |
| Screw plug (index A) | 951211 00000 |
| Screw plug (index A) | 951212 00000 |
| Screw plug (index D, E) | 912818 00000 |
| Screw plug (index D, E) | 912820 00000 |
| Rolling bearing (index A) | 906617 50000 |
| Shaft seal (index A) | 906595 00000 |
| Shaft seal (index D, E) | 906530 00000 |
| Shaft end screw (index D, E) | 945270 00000 |
| Angle bracket | 961709 00000 |
| Angle bracket | 961710 00000 |
| Intermediate flange (variant USA) | 037900 26600 |
| Intermediate flange (variant USA; index A) | 037900 26700 |
| Intermediate piece (variant SA/K-25, with oil-to-water heat exchanger) | 012400 26600 |
| Version | Description |
|---|---|
| U 4.400 F/K | Fine vacuum version with 0.5 mbar ultimate pressure |
