Product Introduction
Single-Chamber Vacuum Carrier Gas Brazing Furnace
| Model | Effective area | Installed furnacecapacity | Temperature uniformity | UItimate vacuum degree | Pressure rising rate | Maximum Temperature | Air-cooled pressure | Installed power |
| DG-300ZQ | 2400mmx800mmx800mm | 2000 Kg | 4 ℃ | 4x10-¹Pa | 0.5 Pa/h | 750 ℃ | 2 bar | 330 Kw |
| DG-350ZQ | 2400mmx1000mmx1000mm | 500 Kg | 4 ℃ | 4x10-¹Pa | 0.5 Pa/h | 750 ℃ | 2 bar | 380 Kw |
Advanced single-chamber vacuum carrier gas brazing furnace for plate-fin heat exchanger production. Low-vacuum inert gas technology reduces cycle time to 3.5 hours and energy consumption to 450 kWh. Ideal for automotive, construction machinery, and hydraulic heat exchanger manufacturing.
Revolutionary Low-Vacuum Technology
The system replaces traditional high-vacuum aluminum brazing with low-vacuum, constant-pressure inert gas protection, delivering significant process improvements:
1. 56% Faster Cycle Time: Reduces vacuum evacuation time and accelerates component heating.
2. Enhanced Efficiency: Optimized heat transfer with thermal stirring fan for uniform temperature distribution.
3. Rapid Cooling: External circulation cooling fan increases cooling speed and reduces overall cycle time to approximately 3.5 hours (vs. 8 hours for high-vacuum brazing)
Advanced Technical Features
1. Intelligent Control Systems: Optional analog control panel or industrial computer automation.
2. Energy Optimization: Real-time power consumption monitoring with 450 kWh per cycle.
3. Uniform Temperature Field: Constant-pressure inert gas injection with thermal stirring ensures consistent brazing quality.
4. Process Stability: Low-vacuum operation below 650°C eliminates high-temperature challenges of 800-1200°C high-vacuum processes.
Key Benefits
✓ Significant reduction in energy consumption and operating costs.
✓ Superior temperature uniformity for consistent joint quality.
✓ Shorter production cycles increase throughput.
✓ Environmentally friendly inert gas process.
✓ Real-time monitoring enables precise cost control
Applications
– Plate-fin heat exchangers for construction equipment
– Hydraulic system heat exchangers
– Automotive radiators and condensers
– Industrial aluminum heat exchanger manufacturing
Simple steps
Single-Chamber Vacuum Carrier Gas Brazing Furnace
1. Open The Furnace, And Load The Workpiece, And Close The Furnace Door
2. Open The Bypass Valve And Vacuum
3. When The Vacuum Degree on The Furnace is Less Than Or Equal To 670Pa, Start The Roots Pump
4. When the vacuum degree in the furnace reaches (3pa), close the bypass valve, the roots pump, and the mechanical pump. Open The Charging Valve To Fill The Furnace With Inert Gas (Nitrogen), 0.05kpa Above The Charging Atmosphere Can Be Heated To 360 Degrees (The Temperature Of The Workpiece Is About 320 Degrees), Open The Bypass Valve, Cycle The Last Evacuation, Charging, Open The Micro-Charging Valve, Open The Exhaust Valve, Start The Convection Fan, Continue To Heat, And The Furnace Will Heat Up And Keep Warm (According To The Set Process Curve Program Control). During heating, the furnace body is always kept under positive pressure. The Inflatable Volume Is Adjusted By The Furnace Pressure Control System And The micro charging system, And The Program Is Automatically Completed.
5. When the heat preservation is over, the power is turned off, and the heating is stopped.
6. Wait For The Furnace Temperature To Cool To About 580 Degrees With The Furnace, Close The Exhaust Valve, Close The Micro-Charge Valve, Start The Air-Cooled Motor To Cool, Wait For The Furnace Temperature To Drop To About 450 Degrees, turn off The Air-Cooled Motor, And Open The Bypass: Valve, Open The Mechanical Pump Vacuums The Furnace Body, Closes The Bypass Valve And The Mechanical Pump After Pumping To Negative Pressure, Opens The Furnace Door Locking Device, And Opens The Vent Valve To Prepare The Furnace. When The Pressure In The Furnace Returns To Atmospheric Pressure, Close The Gas Release Valve Of The Furnace Body (Automatic Delay Control). Open The Door In Place, Take Out The Workpiece, And Close The Furnace In Place
7. The Whole Process Control Is Fully Automatic Control.
Vacuum Carrier Gas Aluminum Brazing Furnace

This vacuum carrier gas brazing furnace is a specialized aluminum brazing system engineered for high-efficiency production of plate-fin heat exchangers. It is specifically designed for manufacturing heat exchangers used in construction machinery, hydraulic power stations, and automotive applications. Technical Inquiry: Contact our engineering team for detailed specifications and customized solutions for your production requirements.
Product SKU: 2
Product Brand: DAG
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