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Furnaces

Our comprehensive range of laboratory and industrial furnaces is designed to meet diverse heating, ashing, sintering, and thermal treatment needs across research, manufacturing, and quality control applications. From general-purpose high-temperature solutions to custom-engineered models, our furnaces ensure consistent performance, precise temperature control, and reliable safety features.


We offer various furnace types to suit different experimental environments and material requirements:

  • Muffle Furnaces: Ideal for routine laboratory heating, material testing, and sample ashing, these furnaces provide uniform temperature distribution in a compact design.

  • Tube Furnaces & Atmosphere Protection Furnaces: Designed for heat treatments under controlled atmospheres, perfect for materials science, metallurgy, and crystal growth applications.

  • Ashing Furnaces / Ash Furnaces: Specialized for residue analysis, organic material incineration, and ash content determination in industries like food, coal, and environmental testing.

  • Vacuum Furnaces: Suitable for heat treatment under vacuum or inert gas conditions, minimizing oxidation and contamination during processing.

  • Chamber Furnaces / Box Furnaces: Versatile, large-capacity models for batch processing and industrial use, providing excellent temperature uniformity.

  • High Temperature Furnaces (≥1200°C): Built to handle demanding applications requiring ultra-high temperatures, including ceramics sintering and metal annealing.

  • Customized / OEM Furnaces: Tailored furnace solutions to meet specific dimensional, temperature, and atmosphere control needs, supporting OEM and custom project requirements.


No matter your thermal processing requirement, our furnaces deliver the precision, safety, and durability that laboratories and production environments demand.


  • TM Series 1700℃ High-Temperature Muffle Furnace – Laboratory Furnace for Ceramic Sintering, Heat Treatment & Glass Firing
    Max working temperature up to 1700℃, ideal for ceramic sintering, heat treatment, glass firing, ignition tests, and metallurgical applications
    High alumina ceramic chamber with MoSi2 heating rods on 2 sides for uniform and stable heating
    Available chamber sizes: 3.3L, 12L, and 18L to suit various laboratory and industrial needs
    Equipped with long-life B-type thermocouple and precise digital PID temperature controller
    Dual steel housing with fan cooling ensures low surface temperature and safe operation
     
    Model: TM Series
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  • TM Series 1400℃ High-Temperature Muffle Furnace – Laboratory Furnace for Ceramic Sintering, Heat Treatment & Glass Firing
    Max working temperature up to 1400℃, ideal for ceramic sintering, heat treatment, glass firing, and ignition tests
    High alumina ceramic chamber with SiC heating rods on 2 sides for uniform and stable heating
    Available chamber sizes: 3.3L, 12L, and 18L to suit various applications
    Equipped with long-life S-type thermocouple and precise digital PID temperature controller
    Dual steel housing with fan cooling ensures low surface temperature and safety
     
    Model: TM Series
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  • TM Series 1200℃ Muffle Furnace – High-Temperature Laboratory Furnace for Heat Treatment, Sintering & Ceramic Firing
    Max working temperature up to 1200℃, ideal for heat treatment, sintering, ceramic firing, and ashing
    Fiber-insulated chamber with HRE alloy wire heating elements on 3 sides for uniform heating
    Available chamber sizes: 4.5L, 12L, and 30L, meeting different application needs
    Equipped with N-type thermocouple and programmable digital controller (32 segments)
    Power options: 3kW / 4kW / 7.5kW, voltage 220V (1 phase) or 380V (3 phase)
     
    Model: TM Series
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  • TX2 Digital Box-Type Resistance Furnace 1000℃/1200℃ – High-Temperature Laboratory & Industrial Furnace
    High-efficiency box-type resistance furnace with digital temperature control for precise heating and reliable performance
    Rated temperatures up to 1000℃ or 1200℃, suitable for industrial and laboratory applications
    Durable refractory working chamber with resistance wire heating element and K-type thermocouple
    Welded steel plate shell with angle steel reinforcement for strength and durability
    Insulated structure minimizes heat loss and ensures energy efficiency
    Available power ratings from 2.5kW to 12kW, voltage options 220V / 380V
    Inner chamber sizes range from 120×200×80mm to 300×500×200mm
     
    Model: TX2 Series
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  • TZH/TSZH High-Temperature Resistance Furnace 1200°C – Laboratory Furnace for Heat Treatment, Annealing & Sintering
    High-temperature resistance furnace with rated temperatures up to 1200°C for heat treatment, sintering, annealing, and chemical element analysis
    Microcomputer PID controller for precise, reliable, and easy-to-use temperature control
    Corrosion-resistant, lightweight body with excellent door sealing for minimal heat loss and uniform temperature distribution
    TSZH series features dual air inlet/outlet for inert gas protection, preventing oxidation and decarbonization
    K-type thermocouple for accurate temperature measurement; resistance wire heating element
    Available liner sizes from 120×200×80mm up to 300×500×200mm; rated power 2.5–12kW, voltage 220–380V
    Suitable for laboratories in industry, mining, scientific research, and educational institutions
     
    Model: TZH Series
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  • TX3/TX4 Laboratory Muffle Furnace 1200°C – High-Precision Heating for Ashing, Sintering & Analysis
    High-temperature muffle furnace with precise temperature control up to 1200°C for ashing, sintering, and gravimetric analysis
    Ceramic fiber chamber with alloy wire heating on three sides for uniform heat distribution
    TX3: single temperature controller, TX4: imported high-precision or programmable 40-stage controller (Fuji)
    LED display shows real-time and set temperatures, optional timer function up to 9999min
    Safety features include manual door lock, over-temperature alarm, power-off protection, and thermocouple failure alert
    Available chamber volumes: 2L, 7L, 12L, 16L; durable stainless steel or cold-rolled steel exterior
    Compact design with energy-efficient insulation and optional exhaust for improved ashing performance
     
    Model: TX3/TX4 Series
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  • High-Precision Programmable Press Machine 0-10T with 0-1000°C Heating and Touch Screen Control
    Maximum pressure: 0–10 tons, multi-stage program pressurization, accuracy ±0.1 tons
    Temperature range: 0–1000°C with multi-stage programmable control
    Furnace diameter: 60mm, cylinder stroke: 80mm
    7-inch touch screen for precise pressure and temperature monitoring
    Power supply: 220V/110V, 2KW; Overall dimensions: 400×380×780mm; Weight: 165kg
    High-speed steel mold with long service life; all-aluminum alloy handwheel, smooth and durable
    Integrated oil cylinder and mainboard design with hydraulic oil filter and superior sealing
     
    Model: PPM-900L
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To Make The World Closer To The Truth
ZHEJIANG TOP INSTRUMENT CO.,LTD., as a subsidiary of TOP Cloud agri, is a high-tech enterprise specializing in the R&D, manufacturing, sales for laboratory equipments, and provision of comprehensive laboratory solutions.

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