Hankison

Hankison specializes in the manufacture and supply of dehydration, filtration and air purification solutions for the global market. As an SPX FLOW brand, Hankison is dedicated to the ongoing technological progression in this field – providing factories and processing plants with access to the compressed air they need day-in, day-out. Through an array of easy-to-install air handling equipment, Hankison dehydration equipment creates compressed air, free from moisture and contaminants. As a result, our customers are presented with a constant supply of clean, dry air that won’t affect human health, the lifetime of processing equipment they use, or the quality of their end-products. The Hankison portfolio spans from compact units right through to large scale items of equipment. All different volume capacities, pressure levels, flow rates and dew points can be met.

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Compressed Air Dryers

DHW Series

DHW Series

DHW Series – Heatless Regenerative Desiccant Dryers

Hankison DHW Series dryers protect air systems exposed to temperatures below freezing, produces low pressure dew points and supplies the ultra-dry air that is necessary for your most critical applications. Minimum purge air usage saves the heat of adsorption, maximizing the moisture holding capacity of the purge air which minimizes the amount required. Standard 10-minute cycle gives increased desiccant life over units operating on shorter cycles. DHW Series dryers allow the off-stream tower to fully re-pressurize before going on-stream preventing bed movement and loss of pressure downstream.
Consistent outlet pressure dew points – large desiccant beds produce:

  • -40°F (-40°C) pressure dew point on a 10-minute cycle [equals an atmospheric dew point of -71°F (-57°C)]
  • -100°F (-73°C) pressure dew point on a 4-minute cycle [equals an atmospheric dew point of -122°F (-86°C)]
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HHL, HHS, HHE Series

HHL, HHS, HHE Series

HHL, HHS and HHE Series – Heatless Regenerative Desiccant Dryers

Utilizing twin towers filled with premium grade activated alumina, Hankison Heatless dryers are available with 3 application specific control systems to meet the needs of industry with economy and performance. Hankison HHS, HHL and HHE Series heatless desiccant dryers provide consistent outlet pressure dew points to -100°F (73°C).

Standard Instrumentation

  • Left and right tower pressure gauges
  • Purge pressure gauge
  • Moisture indicator – alerts operator of elevated dew point
  • Throttling valve provides accurate purge pressure adjustment.
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HBP Series

HBP Series

HBP Series – Blower Purge Regenerative Desiccant Dryers

HBP Series dryers improve air system efficiency using a dedicated axial blower, instead of a percentage of dehydrated purge air, to regenerate the off-line desiccant tower. ISO 8573.1 Class 2 (-40°F/-40°C) dew point performance is guaranteed. HBP Series compressed air dryers will produce the design dew point while operating continuously at maximum rated flow (100% duty cycle) at CAGI ADF 200 inlet standards of 100°F inlet temperature and 100% relative humidity at 100 psig.

Blower purge type regenerative compressed air dryers are an economical and reliable way to dry compressed air to dew points below the freezing point of water. Desiccant dryers lower the dew point of compressed air by adsorbing the water vapor present in the compressed air onto the surface of the desiccant. Adsorption continues until equilibrium is reached between the partial pressure of the water vapor in the air and that on the surface of the desiccant. These dryers continuously process compressed air by using two identical towers, each containing a desiccant bed. While one tower is on-stream drying, the other tower is off stream being regenerated (reactivated, i.e. dried out). The towers are alternated on and off-stream so that dry desiccant is always in contact with the wet compressed air. In this way a continuous supply of dry air downstream of the dryer is possible. The switching from one tower to the other is controlled by a solid-state controller on either a fixed time basis (standard) or a demand basis (optional).

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HPD Series

HPD Series

HPD Series – Heated Purge Desiccant Dryers

Hankison HPD Series dryers will produce the design dew point while operating continuously at maximum rated flow (100% duty cycle) at CAGI ADF 200 inlet standards of 100°F inlet temperature and 100% relative humidity at 100 psig.
Standard HPD Series (Heated Blower Purge) Desiccant Compressed Air Dryers: -4°F to -40°F Pressure Dew Points

Designed for applications that were previously forced to accept a 40°F pressure dew point when simple protection against seasonal freezing is the issue. The standard design delivers ISO 8573.1 dew points between Class 2 and Class 3 automatically. Class 2 (40°F) dew points protect against freezing during low ambient conditions and Class 3 (4°F) dew points keep your air system bone dry during the heat of summer. Applications that require Class 2 (-40°F) dew points year-round simply need to select the Free-Air (FA) Supercharger option package.

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FLEX Series

FLEX Series

Energy Management System

The EMS uses rugged temperature- & humidity-sensing technology that does not require calibration. Constant desiccant bed monitoring ensures stable dew point control. Algorithm-based A3 PurgeTechnology™ controls precisely engage the FA Supercharger when needed to manage the bed regeneration cycles and boost the airflow through the tower. Compressed purge air volume is reduced, further optimizing energy conservation.

An HPD Series dryer with an EMS package may enable the use of a smaller air compressor. Total system efficiency would then be superior due to the linear energy-saving potential of the dryer. Purge air savings of up to 15% are possible in direct proportion to demand when compared to typical heatless designs. Consistent -40°F pressure dew points and fast returns-on-investment are automatic year-round.

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HCD Series

HCD Series

HCD Series – Heat of Compression Desiccant Air Dryers

The Hankison HCD Series provides a cost-effective solution to remove moisture from compressed air. The sustainable energy saving design reduces operating costs and delivers instrument quality air. Thermal energy generated during the air compression process is effectively utilized to regenerate the off-line desiccant bed. Ideally suited for oil-free air compressors, HCD series dryers turn “waste heat” into energy savings.

Advantages:

  • Consumes under 50 watts, less than the power requirement of a typical lap-top computer
  • Offers the lowest cost of operation as compared to conventional dehydration technology
  • Delivers ISO 8573.1: 2010 Air Quality 2 to 4 (-40°F to +37°F)
  • Fully packaged, skid mounted design, provides ease of installation
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HDF Series

HDF Series

HDF Series – Single Tower Desiccant Air Dryers

A Spray Painter’s Assurance For A Flawless Finish state-of-the-art refinish materials and moisture-sensitive pneumatic tools require compressed air treatment. Modern spray guns, particularly HVLP, require greater volumes of air to atomize today’s high-solids coatings. Greater volumes of air carry greater volumes of water, oil, and dirt which must be removed. A HDF Series compressed air dryer can eliminate that damaging water, dirt, and oil which can ruin your refinish work.

Features:

  • Produce pressure dew points as low as -40°F (-40°C)
  • Rugged powder-painted, corrosion-resistant aluminum housing which can be installed in-line
  • Charge of silica gel desiccant adsorbs moisture from the compressed air
  • Desiccant change-out indicator offers convenient monitoring of desiccant condition
  • Desiccant change-out indicator turns color from blue to white
  • Integrated 15 micron cleanable dust filter

The benefits for your shop are:

  • Increased shop capacity to process more cars
  • Helps get on the “preferred” lists for referrals from insurance companies
  • Fewer labor hours and materials per paint job
  • Better bottom-line for the company
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FLEX Series

FLEX Series

FLEX Series – Refrigerated Air Dryers 75 to 2000 SCFM

Energy Saving Sustainability
The FLEX Series lowers air system power costs and improves productivity by matching power consumption to compressed air demand. In a typical manufacturing facility, up to 30% of the electricity consumed is for generating and treating compressed air. To reduce the total cost of operation and qualify for utility company incentive programs, proper air treatment equipment selection and application is required.

Load Matching Performance
Compressed air load profiles in most manufacturing facilities fluctuate. The FLEX Series provides cost-effective energy savings by matching electrical power consumed in direct proportion to air demand. Linear load matching is achieved from 0% up to 100% demand. Non-cycling dryers operate with the refrigeration compressor running continuously, regardless of inlet load conditions. Minimal energy savings are realized from 100% down to 0% inlet air load.

How it Works
The FLEX Series utilizes a phase change (PCM) heat transfer medium between the refrigeration and compressed air circuits that serve as a reservoir for thermal storage. The thermal reservoir is comprised of a 3-in-1 heat exchanger (patent pending) filled with a phase change material that efficiently transfers heat energy through a “change of state.” Phase Change: changing from liquid to solid back to liquid in a continuous cycle. The refrigeration circuit operates to cool down the PCM until it forms into a solid at which time the refrigeration system cycles off. As the compressed air enters the PCM to air section of the heat exchanger, the PCM media absorbs heat for the airstream and begins to melt the PCM media at a constant temperature. When most of the PCM media has turned to liquid the refrigeration system cycles on to again cool down the PCM media turning it back into a solid. This cycle repeats as required to meet the corresponding compressed air load on the FLEX dryer.

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