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HLK Series Adsorption Air Dryers

HLK Series Adsorption Air Dryers


HL adsorption Dryer

Rating: 0.29 to 1.01m3/min

 

Standard  operating conditions: 7 bar pressure with a 38 degrees C ambient temperature and 38 degree C inlet temperature.

Dewpoint: -40 degrees C

 

Features

  • Minimum purge air ussage - saving the heat of adsorption maximises the moisture holding capacity of the purged air, minimising the amount required.
  • Long desiccant life - beds size tto prevent fluidization plus slow and complete regeneration prevent desiccant movement and deterioration.
  • Heavy duty purge exhaust muffler for quiet opperation.
  • Non-lubricated, soft seated control valves.
  • Stainless steel support screens and air diffusers-filters out gross contaminents, protects valves.
  • Furnished in cabinet for easy wall mounting completely assembled, pipe, and wired shipped with full charge of desiccant only hook-up of utilities is needed to opperate.
  • Vessels are constructed to meet the requirements of ASME code, section viii, devision 1 and stamped (optional, 55SCFM larger) 

How It Works

Compressed air enters the drier and is directed to left vessel by valve and then to the drier outlet through shuttle valve. A portion of the dried air is throttled to near atmospheric pressure by means of orifice. The extremely dry, low pressure air flows through and regenerates the desiccant in right vessel and is exhausted through purge/repressurization valve and exhaust muffler to atmosphere. After a set time, the automatic solid state timer closes purge/repressurization valve allowing right vessel to repressurize slowly. At the end of 3 minutes (when operating on a 6 minute cycle). Valve shifts and purge/repressurization valve re-opens. The main airflow is now dried by right vessel while left vessel is being regenerated.

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