The DDC II will substantially reduce the operating cost
of any regenerative dryer.

By using the following formulas, you can calculate your savings. Typically, by using the DDC II, you will reduce the energy consumption and operating cost of your dryer by 50%.

I. Dryer Design Characteristics: Dryer Model Example Yours
(1)   Air Flow, SCFM

700

________________
(2)   Air Temperature, °F

100

________________
(3)   Air Pressure, PSIG

100

________________
II. Design Conditions (Maximum)
(9)   Design water load (air to the dryer): See Table A and Temperature (2)
16.66
III. Average Conditions
(13)  Estimated average flow, SCFM 500 ________________
(14)  Estimated average temperature, °F 90 ________________
(15)  Estimated average pressure, PSIG 100 ________________
(16)  Average water load (air to the dryer):  See Table A
8.55

.513

Table A

Air Temperature (°F)

65

70

75

80

85

90

95

100

105

110

115

120

Moisture Content (GR/FT)

6.8

8.0

9.4

11.0

12.7

15.0

17.4

20.5

23.7

27.6

32.2

37.0

 

HEATLESS EXHAUST PURGE BLOWER PURGE

TOTAL COST*
$19,701


Annual
Savings
$9,855



TOTAL COST*
$11,169


Annual
Savings
$5,584


TOTAL COST*
$9,198


Annual
Savings
$4,599

*Costs based on 1000 SCFM dryer operating around the clock 365 days.  Purge air at $.25/1000 SCF; electricity at $.05/KWH.  Does not include maintenance costs.

 Average 1000 SCFM dryer cost total amount.  Installation of a SAHARA DDC II typically reduces average operating cost by 50%.

Energy savings, reduced maintenance costs, knowledge of dryer performance; the benefits you receive with every SAHARA Dewpoint Demand Controller.  In a global economy that rewards the efficient, can you afford not to use the SAHARA Dewpoint Demand Controller?

Learn more about Sahara's DDC II: 

Benefits

Convert your fixed cycle dryer

Know your savings before you buy

Back to DDC II Introductory Page

Available in Acrobat Reader's PDF format

Dewpoint Demand Controller Series II

Ref. No. 084pdf

Check out our Literature page for brochures about Sahara's air dryers, accessories, and helpful reference guides.

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