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Blower Purge Regenerative Compressed Air DryerMade-In-USA

Blower purge regenerative compressed air dryers protect sensitive downstream equipment and products from moisture in the compressed air system. These blower purge desiccant dryers produce dew points as low as -20°F. Standard triple mode system allows the user to operate in blower mode only, blower with polishing air mode, or externally heated mode. This economical system has low operating costs and requires no compressed air to purge.

ISC has a full line of industrial duty regenerative type atmospheric blower purge, externally heated, regenerative compressed air dryers for capacities of 100 to 25,000 SCFM.  Request a quote online or call to have a compressed air specialist tell you more.Desiccant-Regenerative-Air-Dryers-Purge-GBS-Series

DownloadGBS Blower Purge Regenerative Compressed Air Dryer Brochure


  • NEMA 12 electrical
  • OSHA approved mufflers
  • Digital controller
  • Union or wafer style check valves
  • Automatic re-pressurization
  • Independent desiccant fill & drain ports

Related Products: Heated Regenerative Air Dryer, Nano D1 and D2 Modular Desiccant Dryers, Nano D3 Modular Desiccant Dryers, D4 Compact High-Pressure Dryers, D4 Welded High-Pressure Dryers, Nano D5 Heatless Twin Tower Dryers, Nano D5 Externally Heated Twin Tower Dryers, Nano D5 Blower Purge Twin Tower Dryers

Available Models

Model Capacity SCFM*Voltage @ 60 cycleDesiccant WeightHeating kWBlower HPShipping WeightIn/Out ConnectionsLengthHeightDepth
GBS-100-*16460/230-1Æ140 lbs.52.38551” NPT156361
GBS-125-*16460/230-1Æ175 lbs.52.39051” NPT176463
GBS-175-*16460/230-1Æ245 lbs.52.3110011/2” NPT196567
GBS-250-*36460/230-3Æ350 lbs.103.5142511/2” NPT216870
GBS-350-*36460/230-3Æ490 lbs.103.5153011/2” NPT237371
GBS-500-*36460/230-3Æ700 lbs.155.118402” NPT278575
GBS-650-*36460/230-3Æ910 lbs.156.220652” NPT307581
GBS-800-*36460/230-3Æ1120 lbs.198.124003” NPT328683
GBS-1000-*36460/230-3Æ1400 lbs.268.131753” NPT388085
GBS-1250-*36460/230-3Æ1750 lbs.3110.240803” NPT389695
GBS-1400-*36460/230-3Æ1960 lbs.3810.245003” NPT3810185
GBS-1600-*36460/230-3Æ2240 lbs.3813.651454” FLG5210990
GBS-1800-*36460/230-3Æ2520 lbs.4313.658104” FLG5210999
GBS-2000-*36460/230-3Æ2800 lbs.4317.064704” FLG5210999
GBS-2250-*36460/230-3Æ3150 lbs.5217.072504” FLG57105111
GBS-2500-*36460/230-3Æ3500 lbs.5819.281006” FLG57105111
GBS-2750-*36460/230-3Æ3850 lbs.7019.288256” FLG53126127
GBS-3000-*36460/230-3Æ4200 lbs.7021.693406” FLG53129127
GBS-3500-*36460/230-3Æ3850 lbs.9521.6104206” FLG53126127
GBS-4000-*36460/230-3Æ4200 lbs.9526.4112006” FLG53129127

1. Model reflects capacity @ 100PSIG, 100°F & -40°F PDP. See capacity correction table for other rated capacities.
2. Dimensions and specifications are subject to change without notice.
3. All dimensions are in inches and all weights are in pounds.
4. Initial desiccant charge included. Models above 250 SCFM require field charging.
5. Shipping weight includes the initial desiccant charge and crating material.
6. Maximum operating pressure 150 PSIG as standard. Optional pressures are available.
7. Steam heated models are available as an option, consult factory for details.
8. *refers to missing voltage designation.


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