Compressed Air Dryers

Compressed Air Dryers - Membrane Air Dryers

  • Offer a reliable, efficient, and economical alternative to pressure swing and refrigerant dryer technologies
  • Require no electricity thus lowering operating costs
  • Dewpoints as low as -40°F (-40°C) prevent freeze-ups
  • Explosion proof
  • Silent operation
  • No desiccant to change

State-of-the-Art Membrane Technology

Water vapor from the compressed air supply passes through the hollow fibers of the membrane. At the same time, a small portion of the dry air product is redirected along the length of the fibers to sweep out the water vapor laden air which has permeated the membrane. The moisture-laden sweep gas is then vented to the atmosphere, and clean, dry air is supplied to the application. The drying power of the membrane is controlled by varying the compressed air flow rate and pressure. The Balston Membrane Air Dryer is designed to operate continuously, 24 hours per day, 7 days per week. The only maintenance required is changing the prefilter cartridge twice a year. This semi-annual maintenance takes approximately 5 minutes.

Membrane Air Dryers

Balston Membrane Air Dryers combine a superior coalescing technology with a proven, innovative membrane system to supply clean, dry compressed air with dewpoints as low as -40°F (-40°C). The Membrane Air Dryers are engineered for easy installation, operation, and long term reliability. The dryers incorporate high efficiency coalescing filtration and the highest efficiency membrane available to provide low cost operation and minimal maintenance.


  • Low dewpoint instrument air
  • Pneumatic equipment
  • Pressurizing electroni cabinets
  • Analytical instrumentation
  • Instrument air for analyzer
  • Prevention of freeze-ups
  • Dry air for hazardous areas
  • General laboratory air supply
  • Protect electrical panel components from moisture damage



Select Category