16
9.4 Desiccant
HSHD-7 HSHD-13 HSHD-18 HSHD-21 HSHD-27 HSHD-40
Desiccant Activated alumina
Volume profile gal 0.68 0.99 1.37 1.75 2.32 2.97
Charge per tower (Cartridge) lb 4.10 6.13 8.71 11.35 14.88 19.29
9.5 Condensate
HSHD-7 HSHD-13 HSHD-18 HSHD-21 HSHD-27 HSHD-40
Condensate separator connection (pre-filter) See filter instruction manual
9.6 Measurements, Weights
HSHD-7 HSHD-13 HSHD-18 HSHD-21 HSHD-27 HSHD-40
Height / Width / Depth inch See dimensional drawing
Weight lb 61.3 77.2 97.4 117.7 136.2 165
9.7 Nominal Air Flow
Model DTP [°F] Max. air flow inlet [scfm]
1
HSHD-7 - 40 7
HSHD-13 - 40 13
HSHD-18 - 40 18
HSHD-21 - 40 21
HSHD-27 - 40 27
HSHD-40 - 40 40
HSHD-7 - 94 5
HSHD-13 - 94 9
HSHD-18 - 94 12
HSHD-21 - 94 14
HSHD-27 - 94 18
HSHD-40 - 94 27
1) According to CAGI (Compressed Air and Gas Institute) standard
ADF-200, Dual Stage Regenerative Desiccant Compressed Air
Dryers - Methods for Testing and Rating. Conditions for rating
dryers are: inlet pressure - 100 psig (7 kg/cm
2
); inlet temperature
- saturated at 100°F (38°C)
9.8 Correction Factors
Correction factor for working pressure
Working pressure (psi) 58 72 87 100 116 131 145 160 174 189 203 218
Working pressure (bar) 4 5 6 7 8 9 10 11 12 13 14 15
K
p(ü)
0.40 0.57 0.77 1.00 1.13 1.25 1.38 1.38 1.50 1.56 1.61 1.67
Correction factor for compressed air inlet temperature
Compressed air inlet temperature (°F / °C) 86 / 30 95 / 35 100 / 38 104 / 40 113 / 45 122 / 50
k
Tin (DTP = -40°C/ °F)
1.07 1.07 1.00 0.93 0.82 0.72