U 4.630 F/K 3Ph 200/350 V 50 Hz / 200/380–400, 200/350 V 60 Hz, cURus

The Becker U 4.630 F/K is an oil-lubricated rotary vane vacuum pump with a pumping speed of 624 m³/h at 50 Hz (732 m³/h at 60 Hz) and an ultimate pressure of 0.5 mbar. The air-cooled pump is designed for continuous operation. Ehrler & Beck advises on selection, accessories and service.

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Pumping speed 624 m³/h 50 Hz 732 m³/h 60 Hz
Ultimate pressure 0.5 mbar
Rated motor power 15 kW 50 Hz 18 kW 60 Hz

Available variants
Motor variant	Motor order number
3Ph 200/350 V 50 Hz / 200/380–400, 200/350 V 60 Hz, cURus	43489653300114TA
3Ph 400 V 50 Hz / 460, 400 V 60 Hz, cURus	43489690300114TA
3Ph 200/400 V 50 Hz / 230/460, 208 V 60 Hz, cURus	43589607300114TA
3Ph 400/690 V 60 Hz, cURus	43589654300114TA

Becker U 4.630 F/K – oil-lubricated rotary vane vacuum pump

The U 4.630 F/K delivers 624 m³/h at 50 Hz and 732 m³/h at 60 Hz and reaches an ultimate pressure of 0.5 mbar. Installed motor power: 15.0 / 18.0 kW. Sound pressure level 80 / 83 dB(A) at 50 / 60 Hz. Weight: 370 kg without motor; approx. 545 kg with motor (Becker catalogue 2026). Dimensions 1538–1545 × 695 × 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 4.630 SA/K: version with 3.0 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	624
Pumping speed 60Hz	732
Ultimate pressure	0.5
Rated motor power 50Hz	15
Rated motor power 60Hz	18
Motor efficiency class	IE3
Weight	545
Length	154.5
Width	69.5
Height	50.6
Inlet connection flange	G 3"
Outlet connection flange	G 4"
Noise level	80 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	43489653300114TA
Pump types according to Becker	U 4.630 SA/K + F/K
Phases	3~ (three-phase)
50 Hz	15.0 kW (20.1 hp) · Δ200/Y350 V · IE3 · 987 min⁻¹ · 68.6/39.6 A
60 Hz	18.0 kW (24.1 hp) · Δ200/Y380–400 V · IE3 · 1185 min⁻¹ · 69.7/40.2–39.6 A 18.0 kW (24.1 hp) · Δ200/Y350 V · IE3 · 1180 min⁻¹ · 73.1/42.2 A
Version	CE • cURus E235514 • CC329B IP55 • ISO F • PTO
Motor length M1	586.0 mm
Overall length L1 with pump	1545.0 mm
Motor weight	163.0 kg
Motor data according to	Becker Motor Specifications for Pumps and Blowers (09/2026), item 8-08

Additional technical data

Technical data	Value
Design	Rotary vane vacuum pump, oil-lubricated, air-cooled
Pumping speed 50 Hz / 60 Hz	624 / 732 m³/h
Ultimate pressure (absolute)	0.5 mbar
Installed motor power 50 Hz / 60 Hz	15.0 / 18.0 kW
Sound pressure level 50 Hz / 60 Hz	80 / 83 dB(A)
Weight	370 kg without motor; approx. 545 kg with motor (Becker catalogue 2026)
Dimensions L × W × H	1538–1545 × 695 × 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
Connection screw (index C)	912305 00000
Damping mat	060900 26600
Cover	003700 26600
Cover	003701 26600
Cover	005603 26600
Cover (index C)	005600 26600
Cover (index D, E)	005604 26600
Cover (index D, E)	905600 21900
Seal kit	549000 26700
Spacer	068001 26600
Spacer	068005 26700
Spacer	068006 26600
Spacer	068008 26600
Spacer (index C)	068005 26600
Spacer (variant USA)	068094 26700
Pressure spring	928602 80000
Pressure spring	928603 10000
Pressure spring	928603 20000
Pressure spring	928603 30000
Nozzle	003300 10700
Ermeto fitting	761703 01000
Ermeto fitting	972305 00000
Ermeto fitting	972308 00000
Spring washer	948511 00000
Spring washer	948516 00000
Spring washer	951710 00000
Filter holder	022800 26600
Gas ballast valve (index D, E)	768704 99626
Housing (index C)	000100 26700
Housing (index D, E)	000101 26700
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	518301 26700
Canopy	518302 26700
Banjo bolt (index C)	048400 26600
Banjo bolt without nozzle (index C)	948401 00000
Cap nut	947402 00000
Cap nut	947410 00000
Interior ring	906600 00800
Inner ring (index C)	906600 00700
Hex socket screw	945310 10000
Hex socket screw	945330 00000
Hex socket screw	945333 00000
Hex socket screw	945351 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
Hex socket screw	945394 00000
Hex socket screw	945395 00000
Hex socket screw	945396 00000
Socket head screw (index C)	945331 00000
Socket head screw (index D, E)	945348 00000
Socket head screw, DIN 912 M10x25 (index C)	945349 00000
Grooved pin	948744 00000
Clamping disc	950185 00000
Rotor (index C)	020000 26700
Rotor (index D, E)	020001 26700
Spherical piece screw	009400 19000
Cooler	560202 26600
Cooler, complete	560200 26700
Plastic vanes (set)	900581 00003
Copper ring	948029 00000
Clutch disc	902232 00000
Lantern	053200 26700
Pipe	012204 26700
Pipe	012205 26700
Pipe	012206 26600
Pipe (index C)	512204 26600
Oil separator element	965411 00000
Motor coupling	902104 26700
Motor coupling (variant USA)	902105 26700
Needle bearing (index D, E)	906605 00000
Level sensor	741103 99682
Oil separator cover	002500 26600
Oil separator cover	002501 26600
Oil separator cover	002501 26700
Oil separator cover	002504 26600
Oil separator cover (variant USA)	002503 26600
Oil separator housing (index C)	002400 26600
Oil separator housing (index C)	002401 26600
Oil separator housing (index D)	002402 26600
Oil separator housing (index E)	002404 26600
Oil separator housing (variant F/K-25, F/K-51, with oil-to-water heat exchanger)	002403 26600
Oil separator housing (variant F/K-25, F/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	013300 26600
Rubber profile	064101 57000
Reducing nipple	300300 07000
Eye nut	951604 00000
Tubular heater	560201 26600
Washer (index C)	030701 10700
Washer (index C)	030703 26600
Washer (index C)	062900 26600
Washer (index D, E)	016803 26600
Screw cap	916800 10000
Float	867800 99559
Hexagon nut	947107 00000
Hexagon nut	947109 00000
Hexagon nut (index C)	947104 00000
Hexagon nut (index D, E)	068010 26600
Hexagon screw (index C)	945224 00000
Circlip	948128 04000
Circlip	948215 00000
Circlip (index C)	948209 00000
Circlip (index D, E)	948209 10000
Side cover (index C)	000700 26600
Side cover (index C)	000800 26600
Side cover (index D, E)	000701 26600
Side cover (index D, E)	000801 26600
Circlip	948225 00000
Sieve	008000 26600
Sieve	008003 26600
Tension disc	016800 26600
Tension disc (index C)	016801 26600
Tension disc (variant F/K)	016802 26600
Stud	946811 00000
Stud	946945 00000
Stud	946962 00000
Stud	946967 00000
Stud	951041 02000
Stud	951047 02000
Temperature sensor	943400 90000
Temperature switch	943400 70000
Washer	947509 00000
Washer	947514 00000
Washer	947515 00000
Washer (index C)	947506 00000
Valve (index E)	537504 26400
Fan, complete	502301 26700
Valve bolt (index C)	028500 26600
Valve bolt (variant F/K)	028501 26600
Valve plate	033901 26600
Valve plate	033904 26600
Valve washer	030701 26600
Valve washer	030702 26600
Valve disc (index C)	030700 26600
Valve support	029100 26600
Plug	912871 00000
Plug	951220 00100
Plug	951221 00100
Screw plug (index C)	951211 00000
Screw plug (index C)	951213 00000
Screw plug (index C)	951221 00000
Screw plug (index D, E)	912818 00000
Screw plug (index D, E)	912820 00000
Rolling bearing (index C)	906617 50000
Shaft seal (index C)	906595 00000
Shaft seal (index D, E)	906530 00000
Shaft end screw (index D, E)	945270 00000
Angle bracket	961709 00000
Intermediate flange (variant USA)	037900 26700
Intermediate piece	012400 26600