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Active Dehumidification Wheels

EcoDry Desiccant Dehumidification Rotors & Cassettes

Give your dehumidification systems a powerful performance advantage with EcoDry Desiccant Dehumidification Rotors and Cassettes from DRI (Desiccant Rotors International)—the world’s leading independent manufacturer of desiccant rotors.

With over 40 years of expertise in environmental control solutions and an installed base of hundreds of thousands of desiccant rotors across all continents, DRI is a globally trusted partner for industrial, commercial, food, pharmaceutical, plastics, battery, and fresh air treatment applications.

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High-Performance Solutions for Precise Humidity Control

Give your dehumidification systems a powerful performance advantage with EcoDry Desiccant Dehumidification Rotors and Cassettes from DRI (Desiccant Rotors International)—the world’s leading independent manufacturer of desiccant rotors.

With over 40 years of expertise in environmental control solutions and an installed base of hundreds of thousands of desiccant rotors across all continents, DRI is a globally trusted partner for industrial, commercial, food, pharmaceutical, plastics, battery, and fresh air treatment applications.

Advanced EcoDry Desiccant Rotor Technology

DRI’s EcoDry desiccant rotors are engineered for exceptional moisture removal efficiency, durability, and long service life. Available in a wide range of substrates and desiccant combinations, these rotors deliver consistent performance even in the most demanding low dew point applications.

We manufacture custom replacement rotors for existing dehumidification systems with precise dimensional accuracy, ensuring perfect fitment and reliable operation. Rotors can be produced in any diameter and depth, making them ideal for both new installations and retrofit projects.

Key Material & Construction Advantages

  • Highly adsorbent, non-toxic, non-flammable, and fully water washable
  • pH-neutral honeycomb matrix with in-situ synthesized metal silicate desiccant
  • Desiccant content ≥ 80% of total media weight
  • Inert inorganic fibre substrate for superior chemical resistance
  • Edge-hardened media surface for smoother operation and extended seal life
  • Standard stainless steel outer rim for corrosion resistance - Ideal for food & pharma applications
  • Robust perimeter flange design for enhanced durability and safe handling

Wide Range of Desiccant Rotor Options

DRI offers multiple EcoDry rotor series, each optimised for specific humidity control requirements:

G3-MH (Standard Range)

  • Suitable for the majority of industrial dehumidification applications
  • Reliable low-humidity control where reactivation heat is available

G3-LH / DHP1 (Ultra-Low Dew Point)

  • Designed for very low RH and extreme dew point requirements
  • Ideal for lithium battery manufacturing, plastics, and thermoplastic resin drying Capable of achieving dew points down to –90°C

G3-HH

  • Precool-based dehumidification and desiccant cooling applications

G3-MA (True Passive Dehumidification)

  • Patent-protected macroporous desiccant technology
  • Regenerated using room return air—no external energy required
  • Average moisture removal of ~2 g/kg
  • Ideal for commercial fresh air treatment systems

Low-Temperature Regeneration Rotors

  • Optimised for applications with limited heat availability.

Superior Performance You Can Trust

EcoDry desiccant rotors consistently outperform conventional desiccant media -especially in critical low dew point and high ventilation applications. Unlike acid-based media, DRI rotors are completely pH neutral, resulting in a stronger, more durable honeycomb structure with longer operational life.

Why EcoDry Rotors Stand Apar

  • Non-acid construction - handles aggressive acidic or caustic process air better than conventional media
  • Exceptionally high mechanical strength, several times stronger than standard honeycomb matrices
  • Longer service life due to pH-neutral, chemically inert construction
  • Reinforced stainless-steel rim with integral rolled flange for corrosion resistance
  • Enhanced structural integrity to withstand thermal cycling stresses
  • No cracking, separation, or delamination during normal operation
  • No deliquescence—maintenance-free and easy to store
  • Simple cleaning using air or water

Sustainable & Certified Manufacturing

  • Manufactured in ISO 9001:2015 and ISO 14001:2015 certified facilities
  • Green manufacturing process—no acid usage, no burn-off or sintering required
  • Energy-efficient production with consistent flute geometry and desiccant loading
  • Predictable and repeatable performance (pressure drop, airflow, MRC)

Certifications & Compliance

  • TÜV certified (anti-bacterial properties)
  • NFPA compliant (fire & smoke)
  • UL 1995 certified
  • ROHS compliant

Flexible Sizes & Configurations

  • Diameters available up to 5000 mm
  • Custom depths and dimensions on request
  • Construction options: full-moon, half-moon, segmented
  • Construction options: full-moon, half-moon, segmented

Desiccant Dehumidification Cassettes

DRI also manufactures high-performance desiccant cassettes with robust welded stainless-steel construction for superior strength and leak-proof operation.

Cassette Features

  • Stainless steel housing (optional full SS for food & pharma)
  • Special bulb sealing system—zero leakage even at high pressures
  • Full-face media exposure for maximum dehumidification efficiency
  • Reliable chain drive system with geared motors
  • Available with purge angles, sensors, and controls
  • Custom-built in full-moon, half-moon, or segmented designs

Plastics Industry – Special Desiccant Cassettes

For plastic resin drying and ultra-low dew point requirements, DRI offers specialised plastic dryer media and cassettes with:

  • High-temperature sealing systems
  • Reliable chain drive system with geared motors
  • Reliable chain drive system with geared motors
Contact us for application-specific solutions

End-to-End Support

  • Application design and system configuration support
  • Standard selection software available for customers
  • Advanced in-house testing facility for continuous R&D and validation

EcoDry Generation 3 Desiccant Rotors

  • Reliable. Efficient. Built for the toughest humidity challenges.
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