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Aircel DHT Series High Inlet Temperature
Refrigerated Air Dryer

20 – 125 scfm
The Aircel DHT Series (20 - 125 scfm) high inlet temperature refrigerated air dryers are designed for air-cooled, reciprocating type air compressors. This compressed air dryer combines an oversized refrigerated circuit, high-efficiency heat exchangers, and separator into a single compact unit. Also includes single point air in/out, drain, and electrical connections.

• Timer drain
• Brazed plate heat exchanger (DHT-20)
• Aluminum block heat exchanger (DHT-40 to DHT-125)
• Refrigerant suction pressure gauge
• Discharge gauge (DHT-100 to DHT-125)
• R-134a refrigerant
• NEMA 1 Standard
• Power on-light
• Maximum inlet temperature of 205°F
• Maximum inlet pressure of 200 psig
• Environmentally friendly R-134a refrigerant


These dryers can accept compressed air up to 205°F and provide clean, dry air at the outlet. Our high inlet temperature refrigerated dryers have been designed specifically for use with smaller reciprocating air compressors that typically do not incorporate an aftercooler. DHT Series dryers are perfect for auto body and service shops, as well as anywhere utilizing 5 to 30 HP compressors. With excellent heat transfer coefficients and low pressure drop, these dryers will outperform the competition in protecting your compressed air system, machinery, and tools.
*Scroll to the right on mobile to see entire chart
   Model
Capacity
(scfm)
Voltage
Connection
(npt)
Refrigerant
Air-Cooled kW
Nominal HP
Max.
Press.
DHT-20
20
115-1-60
½"
R-134a
0.57
0.33
232
DHT-40
40
115-1-60
1"
R-134a
.83
0.50
200
DHT-50
50
115-1-60
1"
R-134a
.83
0.50
200
DHT-75
75
115-1-60
1"
R-134a
1.05
0.75
200
DHT-100
100
115-1-60
1½"
R-134a
1.05
0.75
200
DHT-125
125
208/230-1-60
1½"
R-134a
1.35
1.25
200
Capacity rated in accordance with CAGI @ 175 psig, 180°F inlet, 100°F ambient and a PDP of 50°F
Operating pressure: 40 to 200 psig | Ambient air temperature: 40°F to 120°F (32°F with ambient low temperature option) | Inlet air temperature: 40°F to 205°F
For larger capacities and custom dryer options, please contact an mdi representative

➤Click Here for Capacity Correction Factors Chart
➤Click Here for Capacity Flow Suggestion


How It Works

• Hot compressed air (up to 205°F) enters the system and moves into the pre-cooler/re-heater (A), where it is cooled by the cold, dry outgoing air.

• The air is then directed through the air-to-refrigerant heat exchanger (B), where it is cooled to its final dew point by the refrigeration system.

• The cold, saturated air flows into the three stage stainless steel mist eliminator (C), where liquids and contaminants are removed from the air. This separated condensate is then ejected from the system via the Aircel programmable timer drain (D).

• The cold, dry air is then reheated by the incoming warm air (E) before leaving the dryer.
How Aircel DHT Series Works


Recommended Installation




• DHT Series Options:
   Model DHT-20 to DHT-100: 208/230-1-60; 230-3-60; 430-3-60; 575-3-60
   Model DHT-125: 230-3-60; 430-3-60; 575-3-60
• Various voltage options
• Water cooled condenser
• Condenser cleaner assembly
• Low ambient temperature protection¹
• Two valve bypass
• NEMA 4
• NEMA 4X
• Corrosion resistant package²

¹ Low ambient package brings ambient temperature down to 32°F
² Corrosion resistant package includes: NEMA 4 enclosure, e-coated condenser, isolation pads, vibration absorbers, and epoxy painted refrigeration lines




*Scroll to the right on mobile to see entire chart
Model
Weight (lbs)
Height (in)
Width (in)
Depth (in)
DHT-20
95
15
16
16
DHT-40
125
22
24
18
DHT-50
140
22
24
18
DHT-75
240
22
24
18
DHT-100
330
30
36
25
DHT-125
360
30
36
25