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Product Photo front dgh Heatless desiccant dryer
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DGH Series

Heatless Desiccant Dryer

DGH Series Heatless desiccant dryers open up a world of customizable performance opportunities with four standard ISO quality class levels of pressure dew points to choose from. Don't settle for less than the ability to satisfy all of your requirements for clean, dry compressed air. A carefully engineered desiccant dryer design provides a reliable method to remove moisture as a water vapor. With the option to add coalescing filters, solid particles, liquid water droplets, liquid oil and oil vapors can be removed from the compressed air system in a reliable manner.


Sizing Information (Table -1)

Model

scfm

Inlet Flow
@ 100 psig,
(7 bar)

Dimensions – inches

Connections

Weight

Height

Width

Depth

inches

LBS.

DGH40

40

46

32

32

1" NPT

365

DGH60

60

61

32

32

1" NPT

445

DGH90

90

78

32

32

1" NPT

575

DGH115

115

54

44

38

1" NPT

685

DGH165

165

54

44

38

1" NPT

685

DGH260

260

72

48

38

2" NPT

1010

DGH370

370

63

55

38

2" NPT

1215

DGH450

450

71

55

38

2" NPT

1350

DGH590

590

101

52

48

2" NPT

1473

DGH750

750

104

54

48

2" NPT

2134

DGH930

930

109

59

56

2" NPT

2414

DGH1130

1130

112

63

56

3" ANSI Fig.

2875

DGH1350

1350

117

65

56

3" ANSI Fig.

3722

DGH1550

1550

115

71

56

4" ANSI Fig.

4167

DGH2100

2100

116

79

56

4" ANSI Fig.

4417

DGH3000

3000

122

78

65

4" ANSI Fig.

9010

DGH4100

4100

122

93

85

6" ANSI Fig.

9900

DGH5400

5400

122

102

86

6" ANSI Fig.

12000

NOTE : BSP connections and DN Flg available. Dimensions and weights are for reference only. Request certified drawings for construction purposes.

Sizing Information (Table -2)

Operating Pressure

psig

60

70

80

90

100

110

120

130

140

150

175

200

225

250

bar

4.2

4.9

5.6

6.3

7.0

7.7

8.4

9.1

9.8

10.5

12.3

14.1

15.8

17.6

Multiplier

 

0.65

0.74

0.83

0.91

1.00

1.04

1.08

1.12

1.16

1.20

1.29

1.37

1.45

1.52

NOTE : To determine inlet flow at pressures other than 100 psig (7 kgf/cm²) multiply inlet flow at 100 psig from Table 1 by the multiplier that corresponds to your operating pressure from Table 2.

Operating Parameters

  • Maximum Working Pressure 150 psig standard.Higher pressures are available
  • Minimum Operating Pressure for 150 psig models are 60 psig
  • Minimum Operating Pressure for 250 psig models are 120 psig
  • Maximum inlet or ambient air temperature 120° F (49° C)
  • Pressure drop at rated flow is less than 5 psi
  • Standard voltages: Controllers automatically identify and adapt the controller: Basic: 100–120V/1ph/5–60Hz;Energy Savings Controller: 100–240V/1ph/50–60Hz & 12–24 VDC
  • NEMA 4 Standard Feature with Standard and Energy Savings Controllers

NOTES

  • Inlet Flow : Inlet flow are established in accordance with CAGI Standard ADF-200: Dual Stage Regenerative Desiccant Compressed Air Dryers-Methods for Testing and Rating. Conditions for rating dryers are: inlet pressure of 100 psig, inlet temperature saturated at 100° F.
  • Average purge flow rate is the amount of purge air used during the regeneration portion of the purge cycle (purge/repressurization valve open) plus the volume of air used to repressurize the tower after the purge/repressurization valve closes averaged over the cycle time. 
  • At 100 psig, the average purge rate is: 14.4% (13.7% for regeneration + 0.7% for repressurization) of rated inlet flow for dryers operating on a 10 minute cycle; 15.5% (13.7% for regeneration + 1.8% for repressurization) for dryers on a 4 minute cycle.
  • Outlet Flow: To determine flow of air available at outlet of dryer, subtract purge flow from inlet flow.
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