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Atlas Copco FD850 - Principal Data; Limitations and Nominal Conditions; Specific Model Data

Atlas Copco FD850
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2920 1371 00
23
Instruction book Oil-free Air Division
7 PRINCIPAL DATA
7.1 Limitations/nominal conditions
50 Hz 60 Hz
Nominal conditions
Compressed air inlet pressure . . . . . . . . . . . . . . . . . . . . . . . . . bar(e) 7 7
Compressed air inlet temperature. . . . . . . . . . . . . . . . . . . . . . . °C 35 38
Ambient temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . °C 25 38
Inlet relative vapour pressure . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1
Pressure dewpoint . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . °C 3 4
Cooling air/water inlet temperature . . . . . . . . . . . . . . . . . . . . . °C 25 38
Limitations
Maximum compressed air inlet pressure . . . . . . . . . . . . . . . . . bar(e) 10.5 10.5
Min.-max. ambient temperature . . . . . . . . . . . . . . . . . . . . . . . . °C 0-45 0-50
Min.-max. compressed air inlet temperature . . . . . . . . . . . . . . °C 0-55 0-60
Maximum cooling water inlet pressure(e) . . . . . . . . . . . . . . . . bar(e) 10 10
Maximum cooling water temperature . . . . . . . . . . . . . . . . . . . °C 45 45
7.2 Specific data
Air dryer FD 560 (W) 560 HP (W) 700 (W) 850 (W)
Location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Indoors Indoors Indoors Indoors
Medium to be dried . . . . . . . . . . . . . . . . . . . . . . . . . . . . Air Air Air Air
Volume flow at dryer inlet at nominal conditions
- 50 Hz . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . l/s 585 585 725 850
- 60 Hz . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . l/s -- -- 770 850
Pressure drop through dryer at nominal conditions,
approx.
- 50 Hz . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . bar 0.21 0.21 0.18 0.16
- 60 Hz . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . bar -- -- 0.18 0.16
Total cooling medium flow:
- Air-cooled . . . . . . . . . . . . . . . . . . . . . . 50 Hz . . . . . l/s 1160 1160 2350 2350
60 Hz . . . . . l/s -- -- 2600 2600
- Water-cooled . . . . . . . . . . . . . . . . . . . . 50 Hz . . . . . l/s 0.45 0.45 0.6 0.7
60 Hz . . . . . l/s -- -- 0.8 0.9
Electric power input
- Air-cooled . . . . . . . . . . . . . . . . . . . . . . 50 Hz . . . . . kW 6.3 6.3 7.7 9.7
60 Hz . . . . . kW -- -- 11.8 14.4
- Water-cooled . . . . . . . . . . . . . . . . . . . . 50 Hz . . . . . kW 5.7 5.7 6.5 8.5
60 Hz . . . . . kW -- -- 10.2 12.8
Refrigerant
Difluormonochlormethane CHF2Cl . . . . . . . . . . . . . . . . R404a R404a R404a R404a
Total charge, approx.
- 50 Hz . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . kg 16 16 16 23
- 60 Hz . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . kg -- -- 16 23

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