Convection Reflow Oven
BTU’s most trusted reflow platform, delivering unmatched thermal uniformity, low cost of ownership, and versatile configuration options for SMT and advanced packaging.
The Industry's Most Versatile Performer and its Best Value
Pyramax solder reflow ovens are designed and built to master today’s lead-free processes, and the challenges of tomorrow. With their unparalleled combination of thermal performance, versatility, and value, they set the industry standard for world class performance. Pyramax provides optimized lead-free processing, boosting productivity and efficiency. BTU’s exclusive closed-loop convection control, provides precise heating and cooling control, constant heat transfer, maximum process control and reduced nitrogen consumption adding up to the lowest Cost of Ownership in the industry. With 6, 8, 10 and 12 zone air or nitrogen models, 350ºC maximum temperature, flexible platform configuration, low nitrogen and power consumption, and a comprehensive menu of options, the Pyramax is both the industry’s most versatile performer and its best value.
Versatility and performance, proven across industries.
From traditional surface mount to advanced packaging and curing applications, Pyramax reflow ovens are trusted by manufacturers worldwide for their flexibility, repeatability, and low cost of ownership. With multiple zone configurations, nitrogen or air atmosphere options, and high thermal uniformity, Pyramax adapts to your unique process requirements—delivering consistent results every time.
Advanced Packaging
Precision thermal performance and exceptional system-to-system repeatability—ideal for fine-pitch, multi-layer, and stacked-die assemblies.
SMT Reflow
Run high-volume SMT lines with consistent throughput, superior zone control, and optional dual-lane configurations.
Curing Applications
Reliable and uniform heating across the process window ensures consistent results for underfill, encapsulant, and other curing applications.
Power Electronics & Automotive
Support high-mass, high-reliability assemblies with excellent thermal uniformity and void-reducing process capabilities.
Semiconductor Packaging
Maintain tight thermal specs and atmosphere control in nitrogen environments—ideal for sensitive, high-reliability semiconductor packages.
Watch the conveyor ovens video to see how the Pyramax reflow system and reflow oven outperforms the competition on uniformity, throughput and exit temperature.
Pyramax Reflow Oven Key Features & Innovations
Superior Thermal Uniformity
Closed-loop convection control with side-to-side recirculation delivers consistent, high-precision thermal performance across every board. Repeatable results—system to system, site to site—reduce zone temperature set-points for unmatched efficiency.
This intelligent energy-saving feature reduced energy consumption during production gaps by intelligently adjusting oven performance—then rapidly recovers to maintain profile integrity.
Advanced Cooling System
Efficient clamshell-style cooling system available in water or air configurations. Designed for easy maintenance access and stable, controlled cooling across product types.
Flexible Platform Configuration
Configure your oven with 6 to 12 heating zones, air or nitrogen atmosphere, and temperatures up to 400°C. Build the system to match your exact process needs.
Wincon delivers modern thermal control with a SEMI E95-style UI, light/dark mode, and full MES integration. Real-time diagnostics, barcode traceability, and custom alerts give operators total visibility.
This fully automatic, water-based system continuously removes flux contaminants from the oven atmosphere—reducing maintenance and keeping performance consistent regardless of flux type.
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 how our Pyramax™ convection reflow oven can increase your reflow soldering efficiency and productivity.
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.
Compare Pyramax Models
BTU’s Pyramax series offers a range of heated zone configurations to meet your throughput and process requirements. Whether you're running standard SMT or complex advanced packaging, there’s a Pyramax model optimized for your line.
| Model | Pyramax 75A | Pyramax 100A | Pyramax 100N | Pyramax 125A | Pyramax 125N | Pyramax 150A z12 | Pyramax 150N z12 |
|---|---|---|---|---|---|---|---|
| Atmosphere | Air | Air | Air or Nitrogen | Air | Air or Nitrogen | Air | Air or Nitrogen |
| Conveyor Speed | 10–60 in/min (25–152 cm/min) | ||||||
| Conveyor Width | 2–18 in (51–457 mm) | ||||||
| Heated Length | 75 in (1905 mm) | 100 in (2540 mm) | 100 in (2540 mm) | 125 in (3175 mm) | 125 in (3175 mm) | 150 in (3810 mm) | 150 in (3810 mm) |
| Heated Zones (Top/Bottom) | 6 / 3 | 8 / 8 | 8 / 8 | 10 / 10 | 10 / 10 | 12 / 12 | 12 / 12 |
| Cooling Length | 24 in (610 mm) | 24 in (610 mm) | 28 in (711 mm) | 48 in (1219 mm) | 46 in (1168 mm) | 48 in (1219 mm) | 46 in (1168 mm) |
| Overall System Height | 60 in (1524 mm) | ||||||
| Cooling Zones (Top/Bottom) | 1 Top (Optional Bottom) | 1 Top (Optional Bottom) | 1 Top / 1 Bottom 2 Top / 2 Bottom (Optional) |
2 Top (Optional Bottom) | 2 Top / 2 Bottom | 2 Top (Optional Bottom) | 2 Top / 2 Bottom |
| Overall System Length | 127 in (3226 mm) | 183 in (4648 mm) | 183 in (4648 mm) | 230 in (5844 mm) | 230 in (5844 mm) | 255 in (6474 mm) | 255 in (6474 mm) |
| Overall System Width | 60 in (1524 mm) | ||||||
| Voltage Range | 208–480 VAC | ||||||
Lower Energy. Less Downtime. Higher ROI.
Pyramax is designed to reduce total cost of ownership:
- Low nitrogen and power consumption
- Smart idle modes reduce energy during gaps
- "On the fly" maintenance keeps uptime high
- Stainless steel construction for longevity
- Optional high-power heaters and fine mesh belts for specialized applications
Standard Features
- Lead Free Process-Guaranteed
- 350ºC Maximum Temperature
- Forced Impingement Convection
- Programmable Heating and Cooling Rates
- Side to Side Gas Recirculation
- Low Nitrogen and Power Consumption
- Flexible Platform Configuration
- Automatic Width Adjust
- Dynamic Gas Idle
- Smart Product Tracking (SMEMA)
- WINCON Control Software
- Electronic Over-Temperature Safety System
Options
- Options
- 24 in Processing Capability
- 400ºC Maximum Temperature
- Belt and Rail Conveyors
- Fine Mesh Conveyor Belts
- Multiple Track Solution
- Flux Management
- Closed Loop Convection Control
- Integrated Water Supply
- Low Nitrogen Consumption Package
- High Power Heaters
- Center Supports
- Automatic Gas Sampling
- UL 508A and CE Compliant
- Automated Wafer Handling
- Barcode Reader
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.
Reflow Oven Resources
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