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Pyramax™ Vacuum Reflow Oven Vacuum reflow oven for high-volume manufacturing

  • Solder voiding to <5%
  • Thermal uniformity +/-2°C
  • Superior profile control
  • Full MES Integration
Pyramax Vacuum reflow oven

The Pyramax Vacuum reflow oven has been designed with the requirements of large EMS/high-volume automotive customers in mind. The unit is configured with 10 zones of closed-loop convection heating and a maximum production width of 457 x 457mm (18 x 18 inches) inches under vacuum operation. Nitrogen atmosphere capable, the Pyramax Vacuum reflow oven offers a maximum process temperature of 350° C. The unit features integrated controls with BTU’s proprietary Wincon™ windows-based control system and full integration with factory MES/Industry 4.0, including vacuum parameters. Existing Pyramax customers can easily transfer their process to the new Pyramax Vacuum reflow oven.

GTA 2021 award
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Winner 2018 EM Asia Award
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Vacuum reflow chamber detail

Designed for Maintenance Accessiblity

The Pyramax Vacuum reflow chamber was designed with high-volume manufacturing in mind.  The chamber is designed to be opened wide for service with out the use of tools.  The drive system within the vacuum chamber is easily removed for maintenance.
  • Novel chamber opening mechanism
  • Removable drive system
Pyramax vacuum reflow oven
  • 10 zones of closed-loop convection heating
  • Nitrogen atmosphere capable
  • Full MES integration with Wincon control system
  • Recipe controlled vacuum parameters
  • Bell jar vacuum chamber design
  • Forced convection and conduction heat assist
  • Low impact thermal transition zone
  • Easy maintenance access
  • Pass-thru mode

Global Support, Industry-Leading Warranty

BTU reflow ovens and furnaces are backed by BTU’s global network of 24/7 service and technical support in over 50 countries. We stand behind our systems with the industry's best warranty:

  • Lifetime on heaters and blowers
  • 3 years on system components
  • 1 year on labor

  • BTU Production and Engineering Facilities
  • BTU Regional Locations
  • BTU Representatives
  • 24/7 Worldwide Customer Support
  • Manufacturing and Engineering in the US and China
  • Process Applications Laboratories in the US and China
  • Multiple Global training locations

Contact BTU to learn more about how the Pyramax vacuum reflow oven can reduce solder voids in your high-volume EMS line.

Modern view: intuitive, visual, and powerful
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Purpose-built for thermal processes since 1988, WINCON™ delivers unmatched reliability, data accuracy, and system control with thousands of proven installations worldwide.

WINCON 8 features next-generation control with animated dashboards, SmartPower management, Energy Pilot cost savings, and RecipePro recipe generation. Fully Industry 4.0 ready with comprehensive connectivity through CFX, Hermes, OPC, REST, and MQTT protocols—enabling seamless MES integration, barcode support, and real-time traceability without proprietary middleware.

Find the Right Oven for Your Process

Find the Right Fit

How many zones do I need? How long should it be?
Use our configurator to determine the optimal reflow oven based on your product size and throughput.

Schedule a Live Demo

See Pyramax or Aurora in action.
Get a walkthrough of the features and options that matter to your process.

Talk to a Thermal Expert

Not sure where to begin?
We’ll help you choose the right reflow oven for your application and goals.

Sustainability Backed by ROI Minimize cost.
Maximize uptime.
Reduce environmental impact.

BTU is committed to helping manufacturers achieve their production and sustainability goals. By optimizing energy use, minimizing waste, and reducing downtime, our technologies support a lower total cost of ownership and a smaller environmental footprint.

From global OEMs to local contract manufacturers, BTU customers are leveraging these innovations to reduce costs and meet corporate sustainability targets. In many cases, budget is already allocated for energy and environmental improvements—making upgrades both good business and good citizenship.

Whether you're trying to improve your bottom line—or meet aggressive ESG targets—BTU’s platform of smart features makes it easy to do both.

Reduce running costs and energy waste.

Our EnergyPilot software automatically lowers power and process gas consumption during production gaps—cutting operating costs while maintaining peak performance. It’s an easy way to improve sustainability without sacrificing throughput.

Lower peak energy demand. Run smarter.

Smart Power dynamically limits your oven’s total power draw, reducing the connected load and helping you meet facility-level energy caps. It enables faster start-up and response—even when operating under power restrictions.

Efficient flux management with less waste.

Aqua Scrub neutralizes flux residue using a closed-loop, aqueous-based system—reducing emissions and maintenance while extending uptime. It supports a cleaner process with lower water usage and fewer disposables.

Schedule a demo

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