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Leybold E 75 Rotary Piston Vacuum Pump - REBUILT

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Leybold E 75 Rotary Piston Vacuum Pump - REBUILT
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Leybold E 75 Rotary Piston Vacuum Pump - REBUILT

The E and DK pumps are mechanically acting vacuum pumps on the principle of a rotary piston or plunger. The pumps are manufactured as single and two-stage pumps. The E pumps are single-stage pumps with a pumping speed of 250 m3/h (147 cfm) and an ultimate pressure of 0.04 mbar (0.024 Torr). The DK pumps are two-stage pumps with a pumping speed of 200 m3/h (118 cfm) and an ultimate pressure of 5•10-4 mbar (3•10-4 Torr).

Specifications E 75 E 150 E 250 DK 200
Nominal pumping speed m3/h(cfm) (50) (100) 290(170.8) 225
Pumping speed m3/h(cfm) - - 250(147.3) 200
Ultimate partial pressure without gas ballast mbar(Torr) <4 x 10-2 (<2.4 x 10-2) <4 x 10-3
Ultimate total pressure with gas ballast (2 x 10-2) <5 x 10-1 (<3 x 10-1) <5 x 10-4
Water vapor tolerance 60 (45) 25
Average noise level to DIN 45 635 dB(A) - - <74 -
Main voltage, 50/60Hz V - - 230/400, 208-230/460
Motor power kW(hp) 3 5 5.5(7.5) 5.5
Nominal motor speed 50/60Hz rpm 1,500/1,800 1,500/50Hz 1,730/60Hz
Speed of the pump 540
Motor protection IP - - 54
Oil filling l - - 8.4
Weight lb 380 580 830 826
Intake Flange   KF-50 3-inch ANSI 63 ISO-K
Exhaust Flange KF-50 3-inch ANSI 63 ISO-K

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Leybold E 75 Rotary Piston Vacuum Pump - REBUILT

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