Nano R4 Series direct expansion Air Dryer Click for Larger View

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Nano R4 Series Direct Expansion
Refrigerated Air Dryers

15 - 4,750 scfm
The nano R4 direct expansion refrigerated air dryers allow customers running a consistent volume of compressed air the ability to achieve excellent dew point performance and save energy. The high-quality SSX stainless steel heat exchangers (multi-module NDX 1750 and up), environmentally-friendly refrigerants and reliable compressors make NDX the best value go-to air dryer in the industry.

Nano R4 NDX Direct Expansion Dryers reliably give you:
• refrigerant gauge standard.
• stainless steel heat exchanger
• robust construction
• CAREL microprocessor
• environmentally friendly
• automatic expansion valve
• easy installation and start-up
• scroll compressor
• adjustable timer drain standard
• oversized condenser for high ambient temperatures

Clean and dry compressed air is essential in every efficient and profitable manufacturing and process operation worldwide. Our vast experience includes food, beverage, chemical, laboratory, medical and natural gas applications. nano understand your needs and has created the nano R4 range of high-performance, energy-saving compressed air and gas purification products to provide clean and dry compressed air at an affordable price with unrivaled reliability
Model(s): NDX 0015, NDX 0020, NDX 0030, NDX 0045, NDX 0055, NDX 0085, NDX 0110, NDX 0135, NDX 0175, NDX 0215, NDX 0250, NDX 0340, NDX 0470, NDX 0550, NDX 0725, NDX 0950, NDX 1150, NDX 1350, NDX 1750, NDX 2000, NDX 2500, NDX 3500, NDX 4750

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   Model
Inlet & Outlet(1)
NPT/FLG
scfm(2)
Nm3/h(2)
absorbed power
kW(3)
power supply
(V/ph/60Hz)(4)
water cooled adder
option available
NDX 0015
½"
15
24
0.22
115/1
No
NDX 0020
½"
20
32
0.23
115/1
No
NDX 0030
½"
30
48
0.24
115/1
No
NDX 0045
½"
45
72
0.25
115/1
No
NDX 0055
¾"
55
88
0.47
115/1
No
NDX 0085
¾"
85
136
0.49
115/1
No
NDX 0110
1"
110
177
0.92
115/1
No
NDX 0135
1"
135
217
0.92
115/1
No
NDX 0175
1½"
175
281
0.96
115/1
No
NDX 0215
1½"
215
345
0.94
230/1
No
NDX 0250
1½"
250
401
1.05
230/1
No
NDX 0250
2"
250
401
1.47
460/3
Yes
NDX 0340
2"
340
546
1.47
230/1 or 460/3
Yes
NDX 0470
2"
470
754
2.50
460/3
Yes
NDX 0550
2½"
550
883
2.60
460/3
Yes
NDX 0725
2½"
725
1,164
3.46
460/3
Yes
NDX 0950
2½"
950
1,525
3.60
460/3
Yes
NDX 1150
3"
1,150
1,846
5.04
460/3
Yes
NDX 1350
3"
1,350
2,167
6.54
460/3
Yes
NDX 1750
4" Flg
1,750
2,809
7.20
460/3
Yes
NDX 2000
4" Flg
2,000
3,210
7.20
460/3
Yes
NDX 2500
6" Flg
2,500
4,013
13.08
460/3
Yes
NDX 3500
8" Flg
3,500
5,618
14.40
460/3
Yes
NDX 4750
10" Flg
4,750
7,624
26.16
460/3
Yes
(1) ½” to 3” are NPT threaded connections, 4” and up are supplied with ANSI fl anged connections
(2) rated flow capacity: conditions for rating dryers are in accordance with ISO7183 (Option A2). Compressed air at dryer inlet: 100 psig (7 bar) and 100°F (38°C); ambient air temperature: 100°F (38°C); operating on 60Hz power supply
(3) nominal absorbed power at rated operating conditions using 115/1/60 or 460/3/60 power supply (as applicable). For absorbed power at other voltages or conditions, contact mdi at (727) 847-4900
(4) specify voltage requirements when ordering


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   Specifications
NDX 0015 to 0725
NDX 0950 to 4750
design operating pressure range
0 to 232 psig
0 to 189 psig
maximum inlet air temperature
158°F
158°F
maximum ambient temperature
110°F - 122°F depending on refrigerant (contact mdi for details)

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Options
Optional M1 (1 micron) pre-filter
Optional M01 (0.01 micron) after-filter



Nano R4 Series Dimensions
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Model
A (in)
B (in)
C (in)
Weight (lbs)
NDX 0015
15"
18"
17"
55
NDX 0020
15"
18"
17"
62
NDX 0030
15"
18"
17"
70
NDX 0045
15"
18"
17"
77
NDX 0055
15"
20"
19"
84
NDX 0085
15"
20"
19"
92
NDX 0110
16"
29"
26"
143
NDX 0135
16"
29"
26"
143
NDX 0175
16"
29"
26"
152
NDX 0215
16"
34"
30"
196
NDX 0250
16"
34"
30"
222
NDX 0250
18"
47"
35"
253
NDX 0340
18"
47"
35"
253
NDX 0470
18"
47"
35"
297
NDX 0550
18"
47"
35"
319
NDX 0725
18"
47"
35"
397
NDX 0950
23"
47"
40"
712
NDX 1150
23"
47"
40"
771
NDX 1350
23"
47"
40"
882
NDX 1750
40"
73"
64"
1,433
NDX 2000
40"
73"
64"
1,480
NDX 2500
40"
73"
64"
1,808
NDX 3500
47"
102"
75"
3,086
NDX 4750
47"
102"
75"
4,078