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Desiccant Cartridges for Receiver Dryers in TXV Systems

cut away view of Flow-Dry cartridges

The Flow-Dry® cartridge is a revolutionary desiccant package for automotive air conditioning receivers. Its unique design eliminates loose fill and desiccant bags.

Fewer Components

The Flow-Dry cartridge reduces your operation to one part and one step. Desiccant filters and tracer wafers are all preassembled and sealed for maximum moisture protection in a climate-controlled environment at our facility. Consolidating this tedious, time-consuming task in advance streamlines your assembly and leaves you with one operation - drop the cartridge into the receiver.

Variable Fill Volumes

The patent-pending adjustable cartridge lid adapts to a range of different desiccant volumes and weights.

Reduced Tooling Costs

robotic arm manipulating a desiccant cartridge

The Flow-Dry cartridge is a standard product that can accommodate a variety of can sizes due to its unique Lip-Lock® seal ring. This eliminates purchasing expensive custom tooling for each of your applications.

Various Retention Methods

Simple, inexpensive methods such as bead upsets or pal-nuts can be utilized to retain the Flow-Dry cartridge in your receiver dryer can.

Easy Automation

desiccant cartridge photo

The rigid structure of the Flow-Dry cartridge allows for labor reduction using simple pick and place automation.

Lower Moisture Levels

The Flow-Dry cartridge has a unique design that protects it from gaining moisture during your assembly process. It can be exposed up to 10 times longer than conventional bags and loose fill before exceeding moisture specifications. The result is lower outgoing moisture levels, helping you meet more stringent customer demands.

Assortment of parts for desiccant cartridges

Less Cost

Lower ongoing investment in floor space, loose fill equipment, inventory and purchasing administration make Flow-Dry cartridges your most economical choice.

Flow-Dry Cartridge Proven Performance
graphic chart representing Flow-Dry cartridges pressure drop performance
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graphic chart representing Flow-Dry cartridge lid retention performance
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Test Method SP103

The SP2 Flow-Dry cartridge has less than .5 psi pressure drop after 15 grams contaminate loading while obtaining a 97% filter efficiency.

SP1 Flow-Dry Cartridge

Physical

  • Height: 3.5" (90.0mm)
  • Desiccant capacity: 40gm - 110gm, 105gm with tracer wafer

Sized for R.D. Dimensions

  • Minimum Receiver Can ID: 2.16" (55.0mm)
  • Maximum Receiver Can ID: 2.38" (60.5mm)
  • Minimum Center Tube OD: 0.31" (7.9mm)
  • Maximum Center Tube OD: 0.39" (9.9mm)

Performance

  • Initial PSI drop <0.5 PSI @ 6.5# per minute flow rate
  • Meets life cycle test SP #104
  • Meets flow and filtration test SP #103

Construction

  • Cartridge: Polypropylene
  • Filter Media: Dual Density Fiberglass
  • Desiccant: Molecular Sieve

Force required to remove lid from cartridge

The patent-pending adjustable lid on the Flow-Dry cartridge accommodates a wide range of desiccant volume fill requirements while maintaining high lid retention performance.

SP2 Flow-Dry Cartridge

Physical

  • Height: 4.5" (114.3mm)
  • Desiccant capacity: 110gm - 240gm, 235gm with tracer wafer

Sized for R.D. Dimensions

  • Minimum Receiver Can ID: 2.68" (68.0mm)
  • Maximum Receiver Can ID: 2.90" (73.4mm)
  • Minimum Center Tube OD: 0.37" (9.4mm)
  • Maximum Center Tube OD: 0.51" (12.9mm)

Performance

  • Initial PSI drop <0.5 PSI @ 6.5# per minute flow rate
  • Meets life cycle test SP #104
  • Meets flow and filtration test SP #103

Construction

  • Cartridge: Polypropylene
  • Filter Media: Dual Density Fiberglass
  • Desiccant: Molecular Sieve

Flow-Dry® Cartridge With Side-Out Lid

Cartiridge with side-out lid product photo Developed for customers with small diameter (30-40mm) dryer cans, Flow Dry now offers a side-out lid design that adapts the desiccant cartridge for easier assembly by the dryer manufacturer. This design utilizes a specially molded lid which directs the flow of refrigerant from a center tube design through the cartridge and out the top to an off-center connection. For impacted aluminum cans, the side out connection reduces cost and utilizes available area on an impacted or machined dryer cap.

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