Pfeiffer Vacuum DUO 250 A, Руководство по эксплуатации

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Single stage Unit UNO 250 A
Two stage DUO 250 A
Connection nominal diameter
Inlet ISO-F DN 100 DN 100
Outlet ISO-F DN 100 DN 100
Rated volume flow rate at
50 Hz m3/h 267 267
60 Hz m3/h 320 320
Volume flow rate
50 Hz m3/h 250 250
60 Hz m3/h 300 300
Final pressure
total without gas ballast mbar < 5.0
•
10-2 < 3.0
•
10-3
total with gas ballast mbar < 1 < 6.0
•
10-3
Auspuffdruck min mbar > 250 > 250
Auspuffdruck max mbar < 1500 < 1500
Water vapour compatibility
50 Hz
mbar 33 25
60 Hz mbar 33 25
Water vapour acceptable capacity
50 Hz
g/h 5100 4350
60 Hz g/h 6000 5200
Emission sound pressure level
without gas ballast dB(A) 75 75
Operating fluid, amount l 30 23
Max. admissible operating temperature 1) °C 90 90
Nominal rotation speed of pump
at 50 Hz 1/min 975 975
at 60 Hz 1/min 1175 1175
Nominal motor power for
three phase motor
with temperature sensor
at 50 Hz kW 7,5 7,5
at 60 Hz kW 7,5 7,5
Weight pump with
three-phase motor.
kg 375 410
1)
The maximum admissible operating temperature of 90 °C is valid for an ambient temperature of 25 °C and
operating fluid P3, without gas ballast.
Operating temperatures in the range of 110 ... 115 °C could be caused by increased ambient temperature to
max. 40 °C (for operating fluid P3).
8. Technical Data