lantai@shlantai.cn lantai021@gmail.com +86 -21-6765 7286
English 
Views: 222 Author: Edvo Publish Time: 2025-08-26 Origin: Site
Content Menu
● Low-Temperature Vacuum Drying Technology: How It Works
● Leading Italian Manufacturers and Suppliers
>> Delta Costruzioni Meccaniche SRL (Misinto, Lombardy)
>> NTE Process SRL (Milan, Italy)
● Role of Chinese OEM Manufacturers
● Applications of Low-Temperature Vacuum Dryers Across Industries
● Advantages and Innovations in Low-Temperature Vacuum Drying
● Frequently Asked Questions (FAQ)
>> 1. What is a low-temperature vacuum dryer used for?
>> 2. Which industries benefit the most from low-temperature vacuum drying?
>> 3. How does low-temperature vacuum drying differ from traditional drying methods?
>> 4. Are there OEM vacuum dryer manufacturing partnerships between Italy and China?
>> 5. What maintenance is essential for low-temperature vacuum dryers?
Low-temperature vacuum drying is a critical industrial process used to dry heat-sensitive materials gently and efficiently by reducing the pressure inside the drying chamber. This lowers the boiling point of moisture, enabling drying at significantly lower temperatures and preventing degradation of valuable materials in pharmaceuticals, chemicals, food processing, textiles, and other industries. Italy hosts several top low-temperature vacuum dryers manufacturers and suppliers, known for their technological innovation, high-quality engineering, and reliable OEM services. This article presents a comprehensive overview of the leading Italian manufacturers and suppliers of low-temperature vacuum dryers, explores the technology and applications, and discusses the complementary role of Chinese OEM providers in this global market.
Low-temperature vacuum drying works by creating a vacuum inside the drying chamber, which lowers the atmospheric pressure and reduces the boiling point of water or other solvents. This means the drying process can be carried out at lower temperatures, often between 30°C and 75°C, compared to conventional drying methods that require much higher heat. This is especially advantageous for drying products that are heat-sensitive or easily oxidized.
The drying chamber is sealed and connected to vacuum pumps that continuously remove moisture vapor, ensuring efficient and uniform drying. Heating is applied gently, either via electric heaters, steam, or hot water jackets surrounding the vacuum chamber. Some advanced vacuum dryers integrate microwave or freeze-drying technology to speed up processing while enhancing product quality.
Typical types of low-temperature vacuum dryers include:
- Tray vacuum dryers: Suitable for batch drying of powders, granules, and heat-sensitive compounds. Materials are spread on trays inside a vacuum chamber.
- Rotary drum vacuum dryers: These combine drying with continuous mixing for uniform moisture removal.
- Vacuum freeze dryers (lyophilizers): Used to freeze material first and then dry under vacuum for maximum preservation of structure and bioactivity.
- Microwave vacuum dryers: Use microwave energy under vacuum for faster and uniform drying without overheating.
Founded in 1939, Italvacuum is one of the most prominent names in industrial vacuum technology in Italy. It specializes in vacuum piston pumps and drying equipment for pharmaceutical, chemical, and fine chemical industries. Known for their expertise and long history, Italvacuum serves an international client base with custom and standard low-temperature vacuum dryers, emphasizing durability, innovation, and seamless integration with process lines.
Delta Costruzioni Meccaniche manufactures high-quality pressure vessels and vacuum dryers with applications focused on pharmaceuticals and fine chemicals. Their vacuum drum and conical dryers are widely used for drying granules, powders, and pastes, offering uniform heating and efficient drying cycles. They prioritize reliable customer support and machine longevity, supporting a wide export network.
NTE Process is an innovative supplier specializing in automated vacuum drying and spray drying systems, integrating Industry 4.0 solutions such as real-time monitoring, SCADA systems, and remote controls. Their products are designed for precision and scalability, catering to pharmaceutical, food, and chemical sectors seeking advanced process automation.
Simtech focuses on industrial drying solutions for leather and textile industries. Their ORKAAN vacuum systems utilize dry screw pumps to achieve high vacuum levels required for low-temperature drying, improving energy efficiency and product quality. Simtech also provides retrofit solutions to upgrade existing vacuum dryers, tailored to meet environmental sustainability goals.
China is a major player in the OEM manufacturing of vacuum drying equipment, including low-temperature vacuum and freeze dryers. Companies such as Yancheng Quanpin Machinery and others provide cost-effective, customizable vacuum drying machines that meet international standards. These factories support global brands and distributors, supplying high-quality machines for pharmaceutical, food, chemical, and industrial applications.
Many Italian companies collaborate with Chinese OEMs for component supply or custom machine production, combining Italian engineering expertise with competitive manufacturing to optimize costs and innovation.
Low-temperature vacuum dryers find applications across numerous sectors:
- Pharmaceuticals: Drying active pharmaceutical ingredients (APIs) and intermediates without thermal degradation, ensuring stability and potency.
- Food and Beverage: Preserving flavor, nutrients, and texture in fruits, vegetables, powders, dairy products, and functional foods by gentle moisture removal.
- Chemical Industry: Drying polymers, resins, pigments, dyes, and other sensitive chemicals that require precise drying conditions.
- Cosmetics: Drying delicate ingredients used in creams, lotions, and ointments for stability and quality.
- Leather and Textile: Drying hides and fabrics with minimal shrinkage or damage, preserving softness and appearance.
- Environmental and Research Labs: Preserving biological samples, probiotics, bacteria cultures, and experimental materials for research and development.
The benefits of low-temperature vacuum drying include:
- Product Quality Preservation: Drying at reduced temperatures prevents heat damage, oxidation, and loss of bioactivity in sensitive materials.
- Energy Efficiency: Lower drying temperatures result in lower energy consumption, reducing operational costs and carbon footprints.
- Faster Processing: Vacuum drying accelerates moisture evaporation due to lower boiling points, increasing throughput.
- Uniform Drying: Continuous vacuum and controlled heating ensure uniform moisture reduction, improving batch consistency.
- Environmental Benefits: Vacuum drying reduces emissions and solvent vapor releases, aligning with sustainability goals.
Recent innovations in vacuum drying technology by Italian manufacturers include integration with digital controls and Industry 4.0, use of dry screw vacuum pumps for higher efficiency, and modular designs allowing easy upgrade or retrofit of existing systems. Demonstrations in the pharmaceutical and food industries show that precise vacuum and temperature programming leads to improved process control and product outcomes.
Italy remains a global leader in the design and manufacture of low-temperature vacuum dryers marked by innovation, quality, and industry expertise. Companies such as Italvacuum, Delta Costruzioni Meccaniche, NTE Process, and Simtech supply versatile vacuum drying solutions tailored for pharmaceuticals, chemicals, food, and leather industries. These Italian manufacturers are complemented by high-quality OEM vacuum dryer producers in China, facilitating a global supply chain that meets diverse technical and economic demands. As industries continue to prioritize product quality, energy efficiency, and environmental sustainability, low-temperature vacuum drying systems are indispensable in modern production processes worldwide.
A low-temperature vacuum dryer is used to dry heat-sensitive materials gently by lowering the chamber pressure to reduce the boiling point of moisture, allowing drying at low temperatures that preserve product quality and prevent thermal damage.
Pharmaceutical, food and beverage, chemical, cosmetic, and leather industries benefit greatly from low-temperature vacuum drying due to its ability to maintain integrity and bioactivity of sensitive materials while ensuring efficient drying.
It operates under vacuum, significantly lowering the boiling point of moisture, enabling drying at much lower temperatures than conventional hot-air drying, which reduces oxidation, thermal degradation, and contamination risks.
Yes, many Italian companies collaborate with Chinese OEM manufacturers for component sourcing and custom vacuum dryer production, combining Italian design with cost-effective Chinese manufacturing to optimize quality and economics.
Regular maintenance involves checking and servicing vacuum pumps, inspecting seals and valves, replacing lubricants, cleaning condensers or traps, and monitoring digital control systems to ensure efficient and reliable dryer performance.
[1](https://www.technologycatalogue.com/product_service/vacuum-dryers)
[2](https://www.chitramechtech.com/blog/industrial-applications-of-vacuum-mixer-vacuum-dryer-and-blenders/)
[3](https://www.laboao.com/products/freeze-spray-dryer/low-temperature-vacuum-spray-drying-machine)
[4](https://www.memmert.com/en/application/n/low-temperature-vacuum-drying-gentle-on-bacteria-and-the-environment)
[5](https://www.directindustry.com/industrial-manufacturer/low-temperature-dryer-263295.html)
[6](https://www.vacuumdryingmachine.com/sale-11868102-industrial-vacuum-drying-machine-low-temperature-drying-remote-control.html)
[7](https://www.jnbantech.com/33-VacuumBeltDryer.html)
[8](https://www.buschvacuum.com/sg/en/applications/drying/)
[9](https://bachiller.com/en/vacuum-dryers/)
[10](https://yuanzedryer.en.made-in-china.com/product/btBrjMuvrDWk/China-Low-Temperature-Round-Vacuum-Dryer-for-Diverse-Chemical-Applications.html)
[1](https://us.metoree.com/categories/3366/)
[2](https://mirai-intex.com/blog/vacuum-drying-technique)
[3](https://www.technologycatalogue.com/product_service/vacuum-dryers)
[4](https://www.simtechgroup.it)
[5](https://www.simtechgroup.it/simtech-products-for-leather-industry/)
[6](https://www.quanpinmachine.com/vacuum-dryer/)
[7](https://www.quanpinmachine.com/vacuum-drum-dryer/)
[8](https://www.wanlingmachine.com/product/dryer-machine/vacuum-tray-dryer/)
[9](https://www.memmert.com/en/application/n/low-temperature-vacuum-drying-gentle-on-bacteria-and-the-environment)
[10](https://www.made-in-china.com/products-search/hot-china-products/Vacuum_Dryer.html)
[11](https://www.shibiaomachinery.com/vacuum-dryer/)
[12](https://www.wlpowderline.com/grinding-machine/fruit-powder-vacuum-dryer.html)
[13](https://www.buschvacuum.com/sg/en/applications/drying/)
[14](https://www.pharmaceutical-technology.com/contractors/process_automation/italvacuum1/pressreleases/pressrotary-vacuum-dryer-italvacuum/)
[15](http://www.jostonindustry.com/product-tag/vacuum+tray+dryer)
[16](https://www.sciencedirect.com/science/article/abs/pii/S0260877405001792)
[17](https://www.pueschner.com)
[18](https://sagahf.en.made-in-china.com/product/JOFAgsVUatpT/China-Experienced-Vacuum-Dryer-Machine-OEM-Service-Supplier.html)
[19](https://ift.onlinelibrary.wiley.com/doi/abs/10.1111/j.1365-2621.1989.tb05163.x)
[20](https://www.sciencedirect.com/science/article/pii/S2666833522000053)
