Desiccant Air Dryers

Desiccant air dryers remove moisture from compressed air to very low dew points, as low as -40°F or -100°F. They're essential for instrument air, outdoor lines, painting, pharmaceuticals and electronics.

Desiccant Dryer Types

  • Heatless dryers – simple and reliable
  • Heated dryers – lower purge air use
  • Blower purge dryers – highest efficiency
  • Replacement desiccant – activated alumina and molecular sieve

Choosing a Dryer

Select required dew point, flow and inlet conditions. Pre-filters protect desiccant from oil, and after-filters catch desiccant dust. Dew point dependent switching saves energy.

Centro supplies desiccant air dryers and replacement desiccant.

Related categories: Dryers

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Dry-O-Lite, the industry-leading deliquescent desiccant, is a chemical drying agent specifically formulated for Van Air Systems single tower compressed air dryers and natural gas pipeline dryers. Dry-O-Lite is a dense hygroscopic tablet that absorbs water vapor from streams of compressed air or gas. The surface of the desiccant tablet dissolves slowly, forming a brine solution which drops from the surface. The tablet continuously dissolves, or deliquesces, until the desiccant is fully consumed. In a properly sized D-series Compressed Air Dryer or Pipeline Dryer, Dry-O-Lite will establish a relative humidity of 55%, which equates to a dew point approximately 20°F lower than the temperature of the compressed air or gas at the inlet of the dryer. *Also known as GasDry Prime Features and Benefits No energy consumption Prevents condensation Can be used indoors or outdoors Prevents wintertime air and gas line freeze-ups Environmentally safe Low cost of operation relative to refrigerated dryers and regenerative desiccant dryers 3/4" tablet Little or no maintenance on drying equipment Available in 50lb bags, 50lb pails, 506lb steel drums and 2,000lb bulk bags Applications Abrasive blasting Portable air drying Low pressure gases, e.g. digester gas and landfill gas Remote outdoor locations without electricity Fuel gas dehydration for natural gas Ready-mix, asphalt, and concrete plants Pulp and paper Steel mills Dirty environments or areas with electrical classification restrictions Downloads Brochure Safety Data Sheet (SDS)

$110.00

Available for Purchase

Subject to factory lead times

Also known as GasDry Peak SP is a leading deliquescent desiccant formulated primarily for the dehydration of natural gas for use in Van Air Systems Pipeline Dryers when the gas temperature is below 80°F. SP is a dense hygroscopic tablet that absorbs water vapor. The surface of the desiccant tablet dissolves slowly, forming a brine solution which drops from the surface. The tablet continuously dissolves, or deliquesces, until the desiccant is fully consumed. Van Air Systems deliquescent desiccants, including SP, are non-toxic and fully water soluble. In a properly sized Pipeline Dryer, SP will establish a relative humidity of 33%, which equates to a dew point approximately 30°F lower than the temperature of the gas at the inlet of the dryer. Features and Benefits Requires no energy or fuel For operating temperatures 80°F and lower Prevents condensation Inhibits natural gas hydrate formation Can be used indoors or outdoors Prevents gas line freeze-ups Environmentally safe No BTEX emissions Available in 50lb bags and 400lb steel drums Applications Drying high pressure, low temperature sales gas Fuel gas dehydration Instrument gas dehydration Downloads Brochure

$140.00

Available for Purchase

Subject to factory lead times

Also known as GasDry Max 10BF is the most effective deliquescent desiccant from Van Air Systems. Formulated primarily for the dehydration of natural gas and for use in Van Air Systems Pipeline Dryers, 10BF is a dense hygroscopic tablet that absorbs water vapor. The surface of the desiccant tablet dissolves slowly, forming a brine solution which drops from the surface. The tablet continuously dissolves, or deliquesces, until the desiccant is fully consumed. Van Air Systems deliquescent desiccants, including 10BF, are non-toxic and fully water soluble. Features and Benefits Requires no energy or fuel For operating temperatures 100°F and lower Prevents condensation Inhibits natural gas hydrate formation Can be used indoors or outdoors Prevents air or gas line freeze-ups Environmentally safe Replace TEG dehydrators No BTEX emissions 1" diameter tablet Little or no maintenance required for drying equipment Available in 7lb pails and 25lb and 45lb pails Applications Meeting pipeline moisture specifications Fuel gas dehydration Instrument gas dehydration Lowering dew point of chilled biogas and landfill gas for siloxane mitigation Remote outdoor locations without electricity Environments with electrical classification restrictions Downloads Brochure

$1,249.97

Available for Purchase

Subject to factory lead times

Also known as GasDry Peak SP is a leading deliquescent desiccant formulated primarily for the dehydration of natural gas for use in Van Air Systems Pipeline Dryers when the gas temperature is below 80°F. SP is a dense hygroscopic tablet that absorbs water vapor. The surface of the desiccant tablet dissolves slowly, forming a brine solution which drops from the surface. The tablet continuously dissolves, or deliquesces, until the desiccant is fully consumed. Van Air Systems deliquescent desiccants, including SP, are non-toxic and fully water soluble. In a properly sized Pipeline Dryer, SP will establish a relative humidity of 33%, which equates to a dew point approximately 30°F lower than the temperature of the gas at the inlet of the dryer. Features and Benefits Requires no energy or fuel For operating temperatures 80°F and lower Prevents condensation Inhibits natural gas hydrate formation Can be used indoors or outdoors Prevents gas line freeze-ups Environmentally safe No BTEX emissions Available in 50lb bags and 400lb steel drums Applications Drying high pressure, low temperature sales gas Fuel gas dehydration Instrument gas dehydration Downloads Brochure

$120.00

Available for Purchase

Subject to factory lead times

Dry-O-Lite, the industry-leading deliquescent desiccant, is a chemical drying agent specifically formulated for Van Air Systems single tower compressed air dryers and natural gas pipeline dryers. Dry-O-Lite is a dense hygroscopic tablet that absorbs water vapor from streams of compressed air or gas. The surface of the desiccant tablet dissolves slowly, forming a brine solution which drops from the surface. The tablet continuously dissolves, or deliquesces, until the desiccant is fully consumed. In a properly sized D-series Compressed Air Dryer or Pipeline Dryer, Dry-O-Lite will establish a relative humidity of 55%, which equates to a dew point approximately 20°F lower than the temperature of the compressed air or gas at the inlet of the dryer. *Also known as GasDry Prime Features and Benefits No energy consumption Prevents condensation Can be used indoors or outdoors Prevents wintertime air and gas line freeze-ups Environmentally safe Low cost of operation relative to refrigerated dryers and regenerative desiccant dryers 3/4" tablet Little or no maintenance on drying equipment Available in 50lb bags, 50lb pails, 506lb steel drums and 2,000lb bulk bags Applications Abrasive blasting Portable air drying Low pressure gases, e.g. digester gas and landfill gas Remote outdoor locations without electricity Fuel gas dehydration for natural gas Ready-mix, asphalt, and concrete plants Pulp and paper Steel mills Dirty environments or areas with electrical classification restrictions Downloads Brochure Safety Data Sheet (SDS)

$110.00

Available for Purchase

Subject to factory lead times

Also known as GasDry Peak SP is a leading deliquescent desiccant formulated primarily for the dehydration of natural gas for use in Van Air Systems Pipeline Dryers when the gas temperature is below 80°F. SP is a dense hygroscopic tablet that absorbs water vapor. The surface of the desiccant tablet dissolves slowly, forming a brine solution which drops from the surface. The tablet continuously dissolves, or deliquesces, until the desiccant is fully consumed. Van Air Systems deliquescent desiccants, including SP, are non-toxic and fully water soluble. In a properly sized Pipeline Dryer, SP will establish a relative humidity of 33%, which equates to a dew point approximately 30°F lower than the temperature of the gas at the inlet of the dryer. Features and Benefits Requires no energy or fuel For operating temperatures 80°F and lower Prevents condensation Inhibits natural gas hydrate formation Can be used indoors or outdoors Prevents gas line freeze-ups Environmentally safe No BTEX emissions Available in 50lb bags and 400lb steel drums Applications Drying high pressure, low temperature sales gas Fuel gas dehydration Instrument gas dehydration Downloads Brochure

$140.00

Available for Purchase

Subject to factory lead times

Also known as GasDry Max 10BF is the most effective deliquescent desiccant from Van Air Systems. Formulated primarily for the dehydration of natural gas and for use in Van Air Systems Pipeline Dryers, 10BF is a dense hygroscopic tablet that absorbs water vapor. The surface of the desiccant tablet dissolves slowly, forming a brine solution which drops from the surface. The tablet continuously dissolves, or deliquesces, until the desiccant is fully consumed. Van Air Systems deliquescent desiccants, including 10BF, are non-toxic and fully water soluble. Features and Benefits Requires no energy or fuel For operating temperatures 100°F and lower Prevents condensation Inhibits natural gas hydrate formation Can be used indoors or outdoors Prevents air or gas line freeze-ups Environmentally safe Replace TEG dehydrators No BTEX emissions 1" diameter tablet Little or no maintenance required for drying equipment Available in 7lb pails and 25lb and 45lb pails Applications Meeting pipeline moisture specifications Fuel gas dehydration Instrument gas dehydration Lowering dew point of chilled biogas and landfill gas for siloxane mitigation Remote outdoor locations without electricity Environments with electrical classification restrictions Downloads Brochure

$1,249.97

Available for Purchase

Subject to factory lead times

Also known as GasDry Peak SP is a leading deliquescent desiccant formulated primarily for the dehydration of natural gas for use in Van Air Systems Pipeline Dryers when the gas temperature is below 80°F. SP is a dense hygroscopic tablet that absorbs water vapor. The surface of the desiccant tablet dissolves slowly, forming a brine solution which drops from the surface. The tablet continuously dissolves, or deliquesces, until the desiccant is fully consumed. Van Air Systems deliquescent desiccants, including SP, are non-toxic and fully water soluble. In a properly sized Pipeline Dryer, SP will establish a relative humidity of 33%, which equates to a dew point approximately 30°F lower than the temperature of the gas at the inlet of the dryer. Features and Benefits Requires no energy or fuel For operating temperatures 80°F and lower Prevents condensation Inhibits natural gas hydrate formation Can be used indoors or outdoors Prevents gas line freeze-ups Environmentally safe No BTEX emissions Available in 50lb bags and 400lb steel drums Applications Drying high pressure, low temperature sales gas Fuel gas dehydration Instrument gas dehydration Downloads Brochure

$120.00

Available for Purchase

Subject to factory lead times