INSTALLATION, START-UP & MAINTENANCE MANUAL
SD-220 TO SD-600
REV 04 – 10 Oct 2003
Page 22 of 32
SECTION 5: DRYER FLOW CAPACITY & PURGE ADJUSTMENT
5.1. DRYER FLOW CAPACITY
Model Selection Chart
Rated inlet air flow (scfm) at given pressures (psig)
(Based upon 100
o
F inlet air temperature)
MODEL
80 90 100 110 120 130 140
SD-220
175 202 220 253 272 293 310
SD-300
230 265 300 340 362 390 416
SD-400
305 352 400 438 470 510 544
SD-500
378 435 500 550 590 635 675
SD-600
485 555 600 700 760 810 850
SD-820
640 735 820 890 960 1035 1105
SD-1050
830 960 1050 1215 1325 1410 1590
SD-1200
980 1095 1200 1305 1415 1520 1615
SD-1450
1110 1280 1450 1510 1700 1825 1950
SD-1710
1325 1515 1710 1810 1945 2080 2230
SD-2000
1530 1720 2000 2100 2220 2390 2530
SD-2350
1875 2165 2350 2700 2930 3150 3350
SD-2750
2085 2400 2750 2990 3225 3490 3720
SD-3400
2775 3080 3400 3650 3950 4250 4540
1. All models have 150 psig maximum design pressure rating. Higher pressures available as
an option. Consult factory
2. Based on – 40
o
F outlet pressure dewpoint, 10 minute NEMA cycle, activated alumina
desiccant and average inlet air flow.
5.2. CORRECTION FACTOR FOR INLET TEMPERATURE
TEMPERATURE (
o
F) 80 90 100 105 110 115 120
Correction Factor 1.1 1.1 1.0 0.83 0.69 0.565 0.455
To correct for an inlet temperature other than 100
o
F multiply the rated dryer capacity by the
temperature correction factor listed above.
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