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Refrigerated Compressed Air Dryers

Direct Expansion Dryers

The nano R4.1 DXR direct expansion refrigerated air dryer offers a reliable, cost effective and simple solution to those who need quality dry compressed air for their manufacturing processes. With an all in one heat exchanger,  standard zero air loss drain and environmentally friendly refrigerants the dryer provides a steady, guaranteed dew point combined with low pressure drop.

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
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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
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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
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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 1050-1200 - General Arrangement (GA) Drawing

Filename
R4-DXR-1050-1200-ga-general-arrangement-drawing-direct-expansion-dryers.pdf
Size
289 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
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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
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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
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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
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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
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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
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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
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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
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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
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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

BSPP/FLG

Nm3/h

scfm

kW

230/1Ph/50Hz

400/3Ph/50Hz

DXR 0022 E

G ¾” (M)

26

15

0.13

X

 

R513A

DXR 0036 E

G ¾” (M)

42

25

0.16

X

 

R513A

DXR 0050 E

G ¾” (M)

58

35

0.19

X

 

R513A

DXR 0072 E

G ¾” (M)

84

50

0.27

X

 

R513A

DXR 0108 E

G ¾” (M)

129

76

0.28

X

 

R513A

DXR 0140 E

G 1” (F)

165

998

0.67

X

 

R513A

DXR 0180 E

G 1” (F)

214

126

0.72

X

 

R513A

DXR 0216 E

G 1 1/2” (F)

256

151

0.63

X

 

R410A

DXR 0245 E

G 1 1/2” (F)

291

171

0.71

X

 

R410A

DXR 0313 E

G 1 1/2” (F)

372

219

0.91

X

 

R410A

DXR 0389 E

G 1 1/2” (F)

462

273

0.97

X

 

R410A

DXR 0461 E

G 1 1/2” (F)

547

322

1.12

X

 

R410A

DXR 0601 E

G 2” (F)

715

421

1.54

 

X

R410A

DXR 0720 E

G 2” (F)

857

505

1.98

 

X

R410A

DXR 0900 E

G 2 1/2” (F)

1071

631

2.01

 

X

R410A

DXR 1080 E

G 2 1/2” (F)

1285

757

2.77

 

X

R410A

DXR 1440 E

R 3” (M)

1714

1008

3.5

 

X

R410A

DXR 1800 E

R 3” (M)

2141

1260

3.69

 

X

R410A

DXR 2099 E

R 3” (M)

2496

1470

4.554

 

X

R410A

DXR 2700 E

DN100-PN 16

3212

1891

6.097

 

X

R410A

DXR 2999 E

DN100-PN 16

3568

2100

6.538

 

X

R410A

DXR 3744 E

DN100-PN 16

4454

2622

7.1

 

X

R410A

DXR 4198 E

DN100-PN 16

4993

2939

7.293

 

X

R410A

DXR 5040 E

DN150-PN 16

5996

3530

8.264

 

X

R410A

DXR 5940 E

DN150-PN 16

7068

4160

10.2

 

X

R410A

DXR 7200 E

DN150-PN 16

8566

5042

12.183

 

X

R410A

Specifications

DXR 0022 DXR 0050

DXR 0072 to DXR 0461

DXR 0601 to DXR 2200

Design operating pressure range

4.1 to 16 barg

4.1 to 14 barg

4.1 to 14 barg

Maximum inlet air temperature

55°C

55°C

60°C

Maximum ambient temperature

5 to 46°C

5 to 46°C

5 to 46°C

(1.) threaded connections are BSPP to ISO 7/1. Flanged connections are to DIN specifications.

(2.) rated flow capacity: conditions for rating dryers are in accordance with ISO7183. Compressed air at dryer inlet: 7 bar and 35°C; ambient air temperature: 25°C

(3.) nominal absorbed power at rated operating conditions using 230/1/50 or 400/3/50 power supply (as applicable)

(4.) specify voltage requirements when ordering

(5.) to be used as a rough guide only. All applications should be confirmed by our nano sizing software. Contact us for sizing assistance 

*2 year warranty with pre-filtration and non-corrosive piping system installed

 

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