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Refrigerated Compressed Air Dryers

Direct Expansion Dryers

Introducing the nano R4 DXR direct expansion refrigerated air dryer - the perfect solution for anyone who requires top-quality, dry compressed air for their manufacturing processes. This dryer is dependable and affordable, and its all-in-one heat exchanger, standard zero air loss drain, and eco-friendly refrigerants make it an excellent choice for environmentally conscious people. Not only that, but the dryer also guarantees a consistent dew point with minimal pressure drop, ensuring that your manufacturing processes run smoothly and efficiently. Don't settle for anything less than the best - choose the nano direct expansion refrigerated air dryer for all your compressed air needs.

Key Specs:

Flow Rate

10 to 4200 scfm

Connection

½” NPT(M) to 6” Flg

Air Quality

ISO 8573.1:2010 Class 5

Product Documentation

The brochure for the R4 DXR line of refrigerated direct expansion dryers

R4 DXR - Brochure

Filename
EN-R4-DXR-brochure-direct-expansion-refrigerated-dryer.pdf
Size
7 MB
Format
application/pdf
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ISO compressed air quality standards brochure

ISO Compressed Air Quality Standards

Filename
EN-ISO-brochure-compressed-air-quality-standards.pdf
Size
7 MB
Format
application/pdf
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The R4 DXR user guide

R4-DXR-0010-0030 - User Guide

Filename
R4-DXR-0010-0030-user-guide-direct-expansion-refrigerated-dryer.pdf
Size
1 MB
Format
application/pdf
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The R4 DXR user guide

R4-DXR-0050-0065 - User Guide

Filename
R4-DXR-0050-0065-user-guide-direct-expansion-refrigerated-dryer.pdf
Size
1 MB
Format
application/pdf
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The R4 DXR user guide

R4-DXR-0085-0250 - User Guide

Filename
R4-DXR-0085-0250-user-guide-direct-expansion-refrigerated-dryer.pdf
Size
1 MB
Format
application/pdf
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The R4 DXR user guide

R4-DXR-0325-0600 - User Guide

Filename
R4-DXR-0325-0600-user-guide-direct-expansion-refrigerated-dryer.pdf
Size
1 MB
Format
application/pdf
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The R4 DXR user guide

R4-DXR-0850-4200 - User Guide

Filename
R4-DXR-0850-4200-user-guide-direct-expansion-refrigerated-dryer.pdf
Size
2 MB
Format
application/pdf
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equipment worksheet product technical paper

R-Series Application Worksheet

Filename
EN-R-series-worksheet-refrigerated-dryers.pdf
Size
186 KB
Format
application/pdf
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General arrangement drawing for a specific model under the R4 DXR refrigerated direct expansion dryer range

R4 DXR 0010-0030 - General Arrangement (GA) Drawing

Filename
R4-DXR-0010-0030-ga-general-arrangement-drawing-direct-expansion-dryers.pdf
Size
105 KB
Format
application/pdf
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General arrangement drawing for a specific model under the R4 DXR refrigerated direct expansion dryer range

R4 DXR 0050-0065 - General Arrangement (GA) Drawing

Filename
R4-DXR-0050-0065-ga-general-arrangement-drawing-direct-expansion-dryers.pdf
Size
110 KB
Format
application/pdf
View
General arrangement drawing for a specific model under the R4 DXR refrigerated direct expansion dryer range

R4 DXR 0085-0150 - General Arrangement (GA) Drawing

Filename
R4-DXR-0085-0150-ga-general-arrangement-drawing-direct-expansion-dryers.pdf
Size
112 KB
Format
application/pdf
View
General arrangement drawing for a specific model under the R4 DXR refrigerated direct expansion dryer range

R4 DXR 0185-0230 - General Arrangement (GA) Drawing

Filename
R4-DXR-0185-0230-ga-general-arrangement-drawing-direct-expansion-dryers.pdf
Size
144 KB
Format
application/pdf
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General arrangement drawing for a specific model under the R4 DXR refrigerated direct expansion dryer range

R4 DXR 0250 - General Arrangement (GA) Drawing

Filename
R4-DXR-0250-ga-general-arrangement-drawing-direct-expansion-dryers.pdf
Size
142 KB
Format
application/pdf
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General arrangement drawing for a specific model under the R4 DXR refrigerated direct expansion dryer range

R4 DXR 0325-0600 - General Arrangement (GA) Drawing

Filename
R4-DXR-0325-0600-ga-general-arrangement-drawing-direct-expansion-dryers.pdf
Size
97 KB
Format
application/pdf
View
General arrangement drawing for a specific model under the R4 DXR refrigerated direct expansion dryer range

R4 DXR 0850 - General Arrangement (GA) Drawing

Filename
R4-DXR-0850-ga-general-arrangement-drawing-direct-expansion-dryers.pdf
Size
241 KB
Format
application/pdf
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General arrangement drawing for a specific model under the R4 DXR refrigerated direct expansion dryer range

R4 DXR 1050 - 1250 - General Arranagement (GA) Drawing

Filename
R4-DXR-1050-1250-ga-general-arrangement-drawing-direct-expansion-dryers.pdf
Size
250 KB
Format
application/pdf
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General arrangement drawing for a specific model under the R4 DXR refrigerated direct expansion dryer range

R4 DXR 1600 - General Arrangement (GA) Drawing

Filename
R4-DXR-1600-ga-general-arrangement-drawing-direct-expansion-dryers.pdf
Size
326 KB
Format
application/pdf
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General arrangement drawing for a specific model under the R4 DXR refrigerated direct expansion dryer range

R4 DXR 1800-2400 - General Arrangement (GA) Drawing

Filename
R4-DXR-1800-2400-ga-general-arrangement-drawing-direct-expansion-dryers.pdf
Size
312 KB
Format
application/pdf
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General arrangement drawing for a specific model under the R4 DXR refrigerated direct expansion dryer range

R4 DXR 3000-4200 - General Arrangement (GA) Drawing

Filename
R4-DXR-3000-4200-ga-general-arrangement-drawing-direct-expansion-dryers.pdf
Size
346 KB
Format
application/pdf
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Electrical wiring diagram for the R4 DXR series of refrigerated dryers

R4 DXR 0010-0020 (115V) - Electrical Diagram

Filename
R4-DXR-0010-0020-115V-electrical-wiring-schematics-direct-expansion-refrigerated-Ed-04.PDF
Size
683 KB
Format
application/pdf
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Electrical wiring diagram for the R4 DXR series of refrigerated dryers

R4 DXR 0010-0020 (230V) - Electrical Diagram

Filename
R4-DXR-0010-0020-230V-electrical-wiring-schematics-230V-60Hz-direct-expansion-refrigerated-dryer.pdf
Size
651 KB
Format
application/pdf
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Electrical wiring diagram for the R4 DXR series of refrigerated dryers

R4 DXR 0030 (115V) - Electrical Diagram

Filename
R4-DXR-0030-115V-electrical-wiring-schematics-Ed-03.PDF
Size
857 KB
Format
application/pdf
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Electrical wiring diagram for the R4 DXR series of refrigerated dryers

R4 DXR 0030 (230v) - Electrical Diagram

Filename
R4-DXR-0030 230V-electrical-wiring-schematics-direct-expansion-refrigerated-dryer.pdf
Size
816 KB
Format
application/pdf
View
Electrical wiring diagram for the R4 DXR series of refrigerated dryers

R4 DXR 0050-0065 (115V) - Electrical Diagram

Filename
R4-DXR-0050-0065-115V-electrical-wiring-schematics-direct-expansion-refrigerated-Ed-05.PDF
Size
872 KB
Format
application/pdf
View
Electrical wiring diagram for the R4 DXR series of refrigerated dryers

R4 DXR 0050 (230V) - Electrical Diagram

Filename
R4-DXR-0050-230V-electrical-wiring-schematics-direct-expansion-refrigerated-dryer.pdf
Size
838 KB
Format
application/pdf
View
Electrical wiring diagram for the R4 DXR series of refrigerated dryers

R4 DXR 0085-0150 (115V) - Electrical Diagram

Filename
R4-DXR-0085-0150-115V-electrical-wiring-schematics-direct-expansion-refrigerated-Ed-06.PDF
Size
931 KB
Format
application/pdf
View
Electrical wiring diagram for the R4 DXR series of refrigerated dryers

R4 DXR 0085-0150 (230V) - Electrical Diagram

Filename
R4-DXR-0085-0150-230V-electrical-wiring-schematics-direct-expansion-refrigerated-dryer.pdf
Size
896 KB
Format
application/pdf
View
Electrical wiring diagram for the R4 DXR series of refrigerated dryers

R4 DXR 0185-0230 (230V) - Electrical Diagram

Filename
R4-DXR-0185-0230-230V-electrical-wiring-schematics-direct-expansion-refrigerated-dryer.pdf
Size
406 KB
Format
application/pdf
View
Electrical wiring diagram for the R4 DXR series of refrigerated dryers

R4 DXR 0185-230 (230V) - Electrical Diagram (with Disconnector Switch)

Filename
R4-DXR-0185-0230-230V-electrical-wiring-schematics-direct-expansion-refrigerated-With-Disconnector-Switch-Service-Diagram-Ed-08.PDF
Size
406 KB
Format
application/pdf
View
Electrical wiring diagram for the R4 DXR series of refrigerated dryers

R4 DXR 0250 (460V) - Electrical Diagram (with Disconnector Switch)

Filename
R4-DXR-0250-460V-electrical-wiring-schematics-direct-expansion-refrigerated-With-Disconnector-Switch-Service-Diagram-Ed-06.PDF
Size
929 KB
Format
application/pdf
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Electrical wiring diagram for the R4 DXR series of refrigerated dryers

R4 DXR 0325 (460V) - Electrical Diagram

Filename
R4-DXR-0325-460V-electrical-wiring-schematics-direct-expansion-refrigerated-Ed-03.pdf
Size
1 MB
Format
application/pdf
View
Electrical wiring diagram for the R4 DXR series of refrigerated dryers

R4 DXR 0400-0500 (460V) - Electrical Diagram

Filename
R4-DXR-0400-0500-460V-electrical-wiring-schematics-direct-expansion-refrigerated-Ed-03.pdf
Size
1 MB
Format
application/pdf
View
Electrical wiring diagram for the R4 DXR series of refrigerated dryers

R4 DXR 0600 (460V) - Electrical Diagram

Filename
R4-DXR-0600-460V-electrical-wiring-schematics-wiring-direct-expansion-refrigerated-Ed-03.pdf
Size
1 MB
Format
application/pdf
View
Electrical wiring diagram for the R4 DXR series of refrigerated dryers

R4 DXR 0850-4200 (460V) - Electrical Diagram

Filename
R4-DXR-850-4200-460V-electrical-wiring-schematics-direct-expansion-refrigerated.pdf
Size
805 KB
Format
application/pdf
View
Electrical wiring diagram for the R4 DXR series of refrigerated dryers

R4 DXR 0850-4200 (575V) - Electrical Diagram

Filename
R4-DXR-850-4200-575V-electrical-wiring-schematics-direct-expansion-refrigerated.pdf
Size
811 KB
Format
application/pdf
View
nano equipment flow diagram

R4 DXR 0010-0600 - Flow Diagram

Filename
R4-DXR-0010-0600-flow-diagram-ED-01.pdf
Size
68 KB
Format
application/pdf
View
nano equipment flow diagram

R4 DXR 0850-4200 - Flow Diagram

Filename
R4-DXR-0850-4200-flow-diagram-ED-00.pdf
Size
193 KB
Format
application/pdf
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Features

Plug-and-play design is fully packaged into a simple compact design, allowing these models to  fit into the smallest spaces

Powder coated steel panels for optimum corrosion resistance

Pre- and after filter packages available to provide additional energy savings and improved air quality

Specifications of our models

Dryer Model

Inlet & Outlet (1)

Rated Flow (2)

Absorbed Power (2)

Power Supply (V/Ph/60Hz) (4) Refrigerant

NPT/FLG

scfm

Nm3/h

kW

115/1

230/1

460/3

545/3

DXR 0010 NA

½” (M)

10

17

0.2

     

R513A

DXR 0015 NA

½” (M)

15

26

0.2

     

R513A

DXR 0020 NA

½” (M)

20

34

0.2

     

R513A

DXR 0030 NA

½” (M)

30

51

0.3

     

R513A

DXR 0050 NA

½” (M)

50

85

0.9

     

R513A

DXR 0065 NA

¾” (M)

65

111

0.9

     

R513A

DXR 0085 NA

1" (F)

85

145

1.0

     

R410A

DXR 0105 NA

1" (F)

105

179

1.0

     

R410A

DXR 0125 NA

1” (F)

125

213

1.0

     

R410A

DXR 0150 NA

1” (F)

150

255

1.5

     

R410A

DXR 0185 NA

1½” (F)

185

315

1.6

 

   

R410A

DXR 0230 NA

1½” (F)

230

391

2.0

 

   

R410A

DXR 0250 NA

1½” (F)

250

425

2.4

   

 

R410A

DXR 0325 NA

2” (F)

325

553

2.3

   

 

R410A

DXR 0400 NA

2” (F)

400

680

3.2

   

 

R410A

DXR 0500 NA

2” (F)

500

850

3.2

   

 

R410A

DXR 0600 NA

2” (F)

600

1020

4.2

   

 

R410A

DXR 0850 NA

3" (M)

850

1445

5.8

   

R410A

DXR 1050 NA

3" (M)

1050

1785

6.0

   

R410A

DXR 1250 NA

3" (M)

1250

2125

6.7

   

R410A

DXR 1600 NA

4” Flg

1600

2720

7.8

   

R410A

DXR 1800 NA

4” Flg

1800

3060

9.4

   

R410A

DXR 2200 NA

4” Flg

2200

3740

9.5

   

R410A

DXR 2400 NA

6” Flg

2400

4080

9.7

   

R410A

DXR 3000 NA

6” Flg

3000

5100

11.4

   

R410A

DXR 3500 NA

6” Flg

3500

5950

12.8

   

R410A

DXR 4200 NA

6” Flg

4200

7140

17.1

   

R410A

Specifications

DXR 0010 to DXR 0030

DXR 0050 to DXR 0250

DXR 0325 to DXR 4200

Design operating pressure range

0 to 232 psig 

60 to 203 psig

60 to 203 psig 

Maximum inlet air temperature

131°F

131°F

140°F 

Maximum ambient temperature

41°F - 114.8°F 

41°F - 114.8°F 

41°F - 114.8°F

(1) 1⁄2” to 3” are NPT threaded connections, 4” and up are supplied with ANSI flanged connections.
(2) Rated flow capacity: conditions for rating dryers are in accordance with ISO7183 (Option A2). Compressed air at dryer inlet: 100 psig and 100°F; ambient air temperature: 100°F; operating on 60Hz power supply.
(3) Nominal absorbed power at rated operating conditions using 115/1/60 or 230/1/60 or 460/3/60 power supply (as applicable). For absorbed power at 575V or other conditions, contact our nano support team.
(4) Specify voltage requirements when ordering.
(6) Technical specifications subject to change without notice. 
*2 year warranty with pre-filtration and non-corrosive piping system installed.

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