China VKN Pre Vacuum Nitriding Furnace | High-End Heat Treatment Suppliers & Factory Solutions

The VKN series pre-vacuum gas nitriding furnace is a cutting-edge heat treatment equipment designed for superior performance in the nitriding process. Developed by leading China suppliers, this furnace utilizes advanced vacuum technology to create a clean environment that ensures precise and controllable infiltration quality. By effectively integrating nitrogen into the surface of metal materials, it forms a durable compound layer that significantly enhances wear resistance, corrosion resistance, heat resistance, and mechanical strength. This equipment is ideal for treating gears, shafts, valves, molds, and various other components, allowing for seamless transitions between processes such as pre-oxidation, nitriding, nitrogen carburizing (soft nitriding), oxidation, tempering, and annealing. Its key advantages include high efficiency, precision, and environmental protection, making it an essential tool in industries such as aerospace, automotive, electric power, petroleum, and industrial manufacturing. Trust the expertise of a reliable factory in China for your nitriding furnace needs
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PRODUCTS DETAILS

Characteristic

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Muffle tank + pre-vacuum system double isolation of oxygen and impurities, to ensure the surface finish of the workpiece, to achieve zero oxidation tempering.

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Equipped with hydrogen probe and mass flow meter (MFC) to accurately control the proportion of NH₃, N₂, co2 and other gases, combined with nitrogen potential (KN value) closed-loop feedback system.

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High quality heat-resistant alloy Muffle tank (Inconel 600), can quickly adapt to gas nitriding, nitrocarburizing, post-oxidation, and tempering process switching.

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Built-in high-speed turbine fan and baffle, forced air flow multi-direction circulation, to ensure the same nitriding rate of each part of the processed parts.

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Exhaust gas is discharged after treatment by the combustion device, meeting environmental requirements; equipped with multiple pressure relief protection systems.

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Integrated PLC with touch screen and remote monitoring, supporting furnace vacuum, temperature, nitrogen potential, and pressure process tracing.

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Vertical opening furnace door saves space and fits perfectly with automatic production lines for seamless integration into production processes.

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Flexible choices between horizontal and well-type configurations to meet diversified production needs.

Common Specifications

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Model number VKN-200 VKN-600 VKN-1000 VKN-1500 VKN-4000
Effective working area (W×H×L mm) 400×400×600 600×600×900 760×800×1200 900×900×1200 1200×1000×1500
Temperature Max 750℃ / Normal operating 150~700 ℃
Cooling pressure 1 bar abs
Handling weight approx. (Kg) 200 600 1000 1500 4000
Installed power (KW) 80 120 160 180 240
Support the furnace effective working area size, shape and other parameters customized according to requirements.
Frequently Asked Questions
Q1: What is the lifespan of the Muffle tank? The Muffle tank is made of high-quality Inconel 600 heat-resistant alloy, providing a theoretical service life of more than 8 years under normal operating conditions.
Q2: Can this equipment handle different heat treatment processes? Yes, the system is designed for quick switching between gas nitriding, nitrogen carburizing (soft nitriding), post-oxidation, and tempering processes.
Q3: How is the atmosphere within the furnace controlled? It utilizes a hydrogen probe and mass flow meter (MFC) combined with a nitrogen potential (KN value) closed-loop feedback system for precise control of gas proportions and layer thickness.
Q4: Does the equipment meet environmental standards? Yes, the exhaust gas is treated by a specialized combustion device before discharge, ensuring compliance with environmental protection requirements.
Q5: Is remote monitoring and diagnosis supported? Absolutely. The integrated PLC and computer interface support real-time monitoring of vacuum, temperature, and pressure, as well as remote fault diagnosis and process tracing.
Q6: Are customized sizes available for specific production lines? Yes, we support full customization of the effective working area size, shape, and other parameters to meet your specific production scenarios and automation needs.

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