Triple Pass Dryer

Triple Pass Dryer

Three passes for uniform and efficient drying.

The Triple Pass Dryer is designed to optimize product quality and increase productivity based upon thousands of successful applications worldwide. The dryer is a series of single conveyors stacked atop one another, all with the state-of-the-art attributes of the Wolverine Proctor Single Conveyor Dryer/Cooler. These include medium- to high-velocity air flow directed through the product in either up or down through configuration and with independently zoned temperature-controlled sections. Proven to be the snack industry’s most reliable and efficient machine across Europe for decades, the Triple Pass Dryer is now available worldwide.

Key Features

  • Floors are sloped for water drainage, ensuring efficient, quick cleanup
  • Horizontal surfaces and right angles have been eliminated where possible to minimize accumulation of debris, dust, fines, and product
  • Unique airflow design gives optimum drying performance
  • Rugged, perforated plate conveyors for longevity of service
  • Flow diverter at the discharge of each stage for minimum waste

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Triple Pass Dryer

Sanitary

Sloped floors make for easy cleanup.

Safe

Horizontal surfaces have been eliminated to prevent debris from accumulating.

Long-Lasting

Rugged plate conveyors ensure years of service.

Less Downtime

Easy cleaning will prevent you from needing significant downtime.

Success Story preview

SUCCESS STORIES

Efficiency, Flexibility, and Growth

Industrial drying has long been a critical step in snack-food production, but it’s not without its challenges. Traditional systems demand significant factory space and rely on a single energy source — leaving manufacturers vulnerable to price fluctuations and sustainability pressures.

Customer Testimonial

A Proven Leader Helping Drive Net-Zero Goals

For more than four decades, the Triple Pass Dryer has set the standard in extruded snack drying technology. Today, that legacy of performance and reliability is helping one major blue-chip extruded snack manufacturer take meaningful steps toward a more sustainable future. 


Recently, this global snack producer invested in the electric option of the Triple Pass Dryer, aligning their processing operations with an ambitious corporate goal: achieving net-zero emissions. The results have been immediate and measurable. With this investment, the manufacturer has already reduced greenhouse gas emissions by approximately 1,500 tons per year, demonstrating how proven process equipment can play a critical role in meeting environmental targets.

Sustainability Without Compromising Performance

According to the customer, the decision to select the Triple Pass Dryer was driven by more than sustainability alone. As a high-volume extruded snack producer, they required a drying solution that could deliver:

  • Consistent product quality across a wide range of snack formats
  • High throughput and process efficiency
  • Long-term reliability in a demanding production environment

The electric Triple Pass Dryer met these needs while also enabling a significant reduction in Scope 1 emissions. By transitioning away from traditional fuel-based heating, the manufacturer has taken a decisive step toward decarbonizing their operations—without sacrificing capacity, control, or product consistency.

Why the Triple Pass Dryer Continues to Lead

For 40 years, the Triple Pass Dryer has been the benchmark drying solution in the extruded snack industry, trusted by processors around the world. Its continued leadership is rooted in a design that delivers tangible, repeatable benefits:


  • Superior drying efficiency through a true multi-pass airflow design that maximizes heat transfer
  • Uniform moisture removal for consistent texture, structure, and shelf life
  • Flexible operation, capable of handling a wide variety of extruded snack products
  • Lower energy consumption per unit of output, supporting both cost control and sustainability goals
  • Proven durability, engineered for continuous operation in high-throughput environments
  • Optimized factory footprint delivers high-capacity drying in significantly less floor space than linear dryers with comparable throughput

With the availability of electric heating options, the Triple Pass Dryer now extends these advantages even further—helping manufacturers future-proof their operations as energy strategies and regulatory requirements evolve.

A Partnership Built for the Future

For this blue-chip snack manufacturer, the Triple Pass Dryer represents more than a piece of equipment. It is a strategic investment that supports production demands today while enabling progress toward long-term environmental commitments.

As the industry continues to focus on efficiency, sustainability, and operational resilience, the Triple Pass Dryer remains a trusted solution—combining 40 years of proven performance with modern innovations that help processors move confidently toward a lower-carbon future.

Timeline

The Original Triple Pass Dryer

Celebrating four decades of reliability, efficiency, and innovation in extruded snack drying technology. The Triple Pass has defined what reliable, efficient snack drying should be. From its earliest designs to today’s advanced, energy-smart system, the Triple Pass has continually evolved to meet the changing needs of producers around the world. Each milestone reflects decades of engineering progress, real-world feedback, and our commitment to helping snack producers achieve consistent, high-quality results.

1985

Industry Breakthrough

Planet Dryers introduced the Triple Pass Dryer to the market, revolutionizing the industry with its continuous drying process, air flow management and small footprint.

1990’s

Market Leadership

The Triple Pass established itself as the leading extruded snack drying machine and the centerline of choice across Europe.

2000

Worldwide Recognition

With the start of a new decade, the Triple Pass could be found worldwide with installations across the globe.

2010

Continuous Innovation

Continuously improving, the Triple Pass began featuring direct drive fans, more efficient burners and a multitude of process upgrades.

2022

Sustainable Evolution

The Triple Pass was acquired by CPM. With a commitment to sustainability, TPe was introduced. The electric solution was engineered for new installations and retrofittable to bring next-gen pertormance to machines already running around the world.

Today

Hydrogen Innovation

CPM is actively testing hydrogen as a heat source. Early trials show the Triple Pass Dryer can maintain consistent performance using hydrogen, paving the way for a more sustainable future.

Triple Pass Feature

Features

CPM’s Triple Pass: 40 Years of Innovation & Efficiency

Industrial drying is a crucial step in snack-food production, but traditional systems often demand excessive factory space and rely on a single energy source. This leaves manufacturers vulnerable to price fluctuations and sustainability challenges. For over 40 years, CPM’s Triple Pass Dryer has provided an innovative solution, offering compact efficiency, energy flexibility, and high performance.

Explore solutions using the Triple Pass Dryer

For uniform drying every time, the Triple Pass Dryer can help you maximize output while avoiding downtime.

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Food Processing

CPM’s innovative food processing machinery, designed for a range of products from snack foods to cereals, seamlessly integrates into your production lines.

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Full Lifecycle Solutions

From global parts and service support to advanced automation systems, CPM keeps your operations running smoothly, efficiently and without interruption.

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