Repair and maintenance of German Leybold vacuum pump SV25

Repair and maintenance of German Leybold vacuum pump SV25The disassembly steps

1. Drain the oil

2. Loosen the flange screw of the intake nozzle, pull out the intake nozzle, loosen the flange screw of the air damper, and pull out the air damper valve.

3. Remove the fuel tank.

4. Remove the opening pin of the check valve and disassemble the check valve impeller.

5. Remove the connecting screws between the support and the pump, disassemble the pump components, and decide whether to remove the motor based on convenience.

6. Loosen the pump cover screws, remove the pump cover, and pull out the two rotors and rotor blades. When removing the low-level rotor, first remove the split pin. Suzhou Yiwei Technology specializes in repairing German Leybold vacuum pumps:

Repair and maintenance of German Leybold vacuum pump SV25|Shenzhen Laibao Vacuum Pump D16C | Shenzhen Vacuum Pump D16C | Technical Parameters
D8C D16C D30C D40C D60C
Pumping speed (50Hz) m3/h 8.11 17.01 32.24 42.99 64.37
Pumping speed (60Hz) m3/h 9.65 20.33 38.64 51.78 72.23
Limit partial pressure of Guanqi Town MBR 4 × 10-4 4 × 10-4 4 × 10-4 4 × 10-4 4 × 10-4 4 × 10-4
The ultimate total pressure of Guanqi Town is MBR 3 × 10-3 3 × 10-3 3 × 10-3 3 × 10-3 3 × 10-3 3 × 10-3
Maximum total pressure of Kaiqi Town MBR 6 × 10-3 6 × 10-3 6 × 10-3 6 × 10-3 6 × 10-3 6 × 10-3 6 × 10-3
Allowable pressure of water vapor MBR 30 20 40 20 25
Connection port inlet and outlet DN KF25 KF25 KF40 KF40 KF40
Noise (sound pressure level value at a distance of 1 meter when the gas damper is turned off/on) db 54/56 55/58 58/60 58/60
Oil injection volume (maximum/minimum) 1 1.1/0.7 1.5/1.0 3.7/3.2 5.0/4.4 5.0/4.5
Weight (without oil injection) Kg 27 31 69 83 84
Working environment temperature (highest/lowest) ℃ Oct-40 Oct-40 Oct-40 Oct-40
Motor power (single-phase) (220V, 50Hz) W 370 750 1100
Pump total length a mm 471 560 657
Product number 31046 31050 31103