Hardening furnace FVA-18

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Product Overview
FVA-18 is an ISO & CE-certified vacuum furnace designed for precision high-temperature processing. The unit features a 36 L chamber, vacuum-capable operation and a cold-rolled steel outer shell with high-purity polycrystalline alumina insulation for thermal stability and energy efficiency.

Key Highlights

• Maximum design temperature: 1700°C; recommended working temperature: 1600°C.
• MoSi₂ rod heating elements (8 units) with double-sided distribution for rapid, uniform heating.
• Digital PID temperature controller with programmable multi-segment control and ±1°C precision.
• Vacuum operation for controlled atmospheres to minimize oxidation and contamination.
• Double-shell construction with water cooling for enhanced safety and durability.

Features

• High-temperature capability up to 1700°C with stable, uniform temperature distribution.
• Precision control: digital PID controller delivering ±1°C accuracy and multi-segment profiles.
• Efficient heating: premium MoSi₂ rod elements (8 units) arranged double-sided for fast ramp-up and long life.
• Superior insulation: high-purity alumina ceramic fiber and vacuum-formed insulation to reduce heat loss.
• Vacuum-compatible chamber for processing in controlled atmospheres.
• Robust construction: cold-rolled steel outer shell and integrated transformer.
• Fast heating and reduced cooling times to improve throughput.
• User-oriented interface suitable for continuous industrial use.

Standard Accessories

• Gas flow meter for controlled gas introduction and monitoring.
• Crucible tong rated for high-temperature handling of samples.
• Heat-resistant thermal gloves for operator safety.

Optional Accessories

• Digital vacuum gauge for precise vacuum level display.
• Spare set of MoSi₂ heating elements.
• Water chiller for furnace and vacuum pump cooling.
• Diffusion pump unit: achieves high vacuum (~6×10⁻² Pa) with 300 L/s pumping speed (380V, 3-phase, 9 kW).

Applications

• Material testing and thermal processing of metals, ceramics and advanced materials.
• Sintering and powder metallurgy operations.
• Heat treatment under vacuum: annealing, hardening and tempering.
• Laboratory R&D, thermal analysis and controlled heating experiments.
• Crystal growth and controlled-environment formation processes.
• High-temperature melting of specialized materials.
• Quality control and repeatable testing in industrial QC labs.

Technical specifications

• Capacity: 36 Liters
• Work chamber size (W×D×H): 300 × 400 × 300 mm
• Working temperature: 1600°C (recommended)
• Max temperature design: 1700°C
• Temperature precision: ±1°C
• Thermocouple: Type B
• Controller: Digital PID temperature controller with programmable multi-segment control
• Power supply: 380V, 13 kW, 3 phase, 60 Hz
• Heating element: MoSi₂ rod heating elements (8 units, double-sided distribution)
• Heating characteristics: fast heating, uniform distribution, long service life
• Chamber material: high-purity polycrystalline alumina ceramic fiber
• Insulation: vacuum-formed insulation with high thermal efficiency
• Cooling system: double-shell structure with water cooling
• Transformer: integrated high-quality transformer
• Package size: 1510 × 2060 × 1980 mm
• Net weight: 950 kg
• Gross weight: 1200 kg