U 4.20 vacuum pump

U 4.20 U series (BECKER) oil-lubricated rotary vane vacuum pump is cool-running, quiet and highly efficient. Check valve and efficient oil separation are integrated.

Manufacturer: BECKER

Series: U series

Order number:

U 4.20 3~ | 1~ 50Hz 60Hz
nominal pumping speed m³/h 18 21
final pressure mbar abs. < 1.0 < 1.5
Rated voltage 3~ V 190-260/330-450 225-600/390-520
Rated voltage 1~ V 230±10% 230±10%
Rated motor power 3~ kW 0,55 0,66
Rated motor power 1~ kW 0,60 0,72
Current consumption 3~ A 3,3/1,95 3,3/1,95
Current consumption 1~ A 6,4 5,9
Motor rated speed 3~ at least-1 2820 3380
Motor rated speed 1~ at least-1 2850 3300
sound pressure level  dB(A) 63 67
Weight  kg ≈20
oil l 0,5

oil

position order no. Description
BECKER LUBE M 100 960009 00000 mineral oil
BECKER LUBE S 100 960016 00100 synthetic oil
BECKER LUBE SL 100 960023 00100 food area

Pump Variations

Different positions to the standard device
U 4.20 /09 Special version - with ballast valve
/53 /53.1 /59 Special version - with water cooler
/55 Special version - with double check valve
position shortage Order no. designation
[] 1 549000 40300 seal saty
8 SENTENCE 900583 0000x(03) slider
34 1 965413 00000 air separator

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