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HHX and HHE Series - Heatless Regenerative Desiccant Dryers

Desiccant compressed air dryer

Hankison HHX and HHE Series use twin desiccant towers to provide clean, dry compressed air for critical applications. Built for reliable, long‑term operation, they help protect equipment, maintain product quality, and support uninterrupted plant uptime.

 

Features

Standard Instrumentation

  • Optimized desiccant beds with 4.8 seconds contact time for complete drying
  • Cleanable stainlesssteel flow diffusers to prevent channeling
  • Upflow drying to shed water and heavy contaminants
  • Separate fill and drain ports for easy desiccant replacement
  • Largediameter piping to minimize pressure drop and energy use

Two Application Specific Designs:

HHX Series Automatic SensaTherm® Energy Savings
HHX Series automatically adjusts purge air consumption based on realtime moisture load using SensaTherm technology. This ensures maximum energy savings while maintaining consistent dew point performance.

 

HHE Series FixedCycle Timer Control for Consistent Performance
HHE Series uses traditional, timerbased switching between towers to deliver dependable 40°F (40°C) dew point performance for applications running at or near full load.

Specifications

MODEL

INLET FLOW
@ 100 PSI
(6.7 BAR)

INLET/OUTLET
CONNECTIONS

SCFM

NM3/H

IN

HHX/HHE-40

40

68

1” NPT

HHX/HHE-60

60

102

1” NPT

HHX/HHE-90

90

153

1” NPT

HHX/HHE-115

115

195

1” NPT

HHX/HHE-165

165

280

1” NPT

HHX/HHE-260

260

442

2” NPT

HHX/HHE-370

370

629

2” NPT

HHX/HHE-450

450

765

2” NPT

HHX/HHE-590

590

1,002

2” NPT

HHX/HHE-750

750

1,274

3” ANSI FLG.

HHX/HHE-930

930

1,580

3” ANSI FLG.

HHX/HHE-1130

1,130

1,920

3” ANSI FLG.

HHX/HHE-1350

1,350

2,294

3” ANSI FLG.

HHX/HHE-1550

1,550

2,634

3” ANSI FLG.

HHX/HHE-2100

2,100

3,568

4” ANSI FLG.

HHX/HHE-3000

3,000

5,097

4” ANSI FLG.

HHX/HHE-41002

4,100

6,966

6” ANSI FLG.

HHX/HHE-54002

5,400

9,175

6” ANSI FLG.

Maximum Working Pressure: 150 psi (10.5 bar) standard; 250 psi (17.6 bar) optional. Units with higher Maximum Working Pressures are available.
Minimum Operating Pressure: 150 psi (10.5 bar) service - 60 psi (4.1 bar); 250 psi (17.6 bar) service - 120 psi (8.4 bar)
Maximum Inlet Air Temperature: 140°F (60°C)
Maximum Ambient Air Temperature: 120°F (49°C)
Pressure Drop at Rated Flow: Less than 5 psi (0.35 bar)
Available Voltages: HHE - 100-120V/1ph/50-60Hz, HHS - 100-240V/1ph/50-60Hz and 12-24 VDC
Dimensions and weights are for reference only. Request certified drawings for construction purposes.

  1. BSP and DIN flanges available
  2. Supplied with premium quality butterfly switching valves

Model

Dimensions

Height

Width

Depth

Weight

IN

MM

IN

MM

IN

MM

LBS

HHX/HHE-40

46

1,168

32

813

32

813

365

HHX/HHE-60

61

1,549

32

813

32

813

445

HHX/HHE-90

78

1,981

32

813

32

813

575

HHX/HHE-115

54

1,372

44

1,118

38

965

685

HHX/HHE-165

54

1,372

44

1,118

38

965

685

HHX/HHE-260

72

1,829

49

1,245

38

965

1,010

HHX/HHE-370

63

1,600

55

1,397

38

965

1,215

HHX/HHE-450

71

1,803

55

1,397

38

965

1,350

HHX/HHE-590

101

2,565

50

1,270

53

1,346

1,473

HHX/HHE-750

109

2,769

51

1,295

48

1,219

2,134

HHX/HHE-930

113

2,870

56

1,422

56

1,422

2,414

HHX/HHE-1130

113

2,870

59

1,499

56

1,422

2,875

HHX/HHE-1350

118

2,997

60

1,524

56

1,422

3,722

HHX/HHE-1550

113

2,870

66

1,676

56

1,422

4,167

HHX/HHE-2100

116

2,946

73

1,854

56

1,422

4,417

HHX/HHE-3000

122

3,099

78

1,981

65

1,651

9,010

HHX/HHE-4100²

124

3,150

93

2,362

88

2,235

9,900

HHX/HHE-5400²

126

3,200

102

2,591

92

2,337

12,000

Heatless Desiccant Air Dryers HHX & HHE Series

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