Yangzhou Meida Filling Machinery Co., Ltd. is one of the leading manufacturers and suppliers of aerosol filling and capping machine in China. With a professional production team, we are able to meet the needs of the majority of our customers. Welcome to buy advanced aerosol filling and capping machine at competitive price from our factory.
The Under Cup Vacuum Aerosol Filling and Capping Machine is a specialized piece of equipment used primarily for filling aerosol containers and other types of pressurized vessels. It is particularly designed for applications involving stemless (blind cup) valves, where the filling process takes place under a vacuum state, ensuring an airtight seal and preventing contamination. It is a vital tool in industries that produce aerosol products, as it combines efficiency, precision, and safety into the filling process. Its design and functionality cater to the specific needs of filling applications that require airtight seals and minimal contamination.
Features

1.Vacuum Filling Process:
The aerosol filling machine operates by creating a vacuum in the container before filling it with the product. This vacuum helps to prevent the ingress of air and contaminants during the filling process.
2.Propellant Charging:
Propellants, such as gases used for refrigeration (e.g., R134a, R22), are introduced into the container under the valve cap before it is crimped in place. This ensures that the propellant is sealed within the can, ready for use when the valve is activated.
3.Sealing and Crimping:
After filling, the machine crimp seals the valve onto the container, ensuring an airtight closure that preserves the product and its efficacy.
4.Integrated Systems:
The machine combines several functions into one station, including vacuuming, quantitative filling, sealing, and product recovery, making it a highly efficient option for manufacturers.
Advantages
1.High Precision: The machine offers accurate filling capabilities, which is crucial for products where exact measurements are important.
2.Reduced Contamination Risk: The vacuum process minimizes the chance of contaminants entering the container during filling.
3.Automation and Ease of Use: Equipped with advanced PLC (Programmable Logic Control) and HMI (Human-Machine Interface), the machine allows for automated and user-friendly operations.
4.Versatile: It can handle various media, including different types of gases and liquids, making it suitable for multiple applications.
Technical Specifications
1.Power Requirements:
Typically requires an air compressor with specific output pressure and displacement capabilities.
2.Electrical Requirements:
Usually operates on standard voltage, such as 220V, 50Hz.

Why choose Meida's Aerosol Filling Equipment?
The Under Cup Vacuum Aerosol Machine presents several technical challenges that manufacturers and engineers must address to ensure optimal performance and product quality. Here are some of the key technical difficulties associated with these machines:
Vacuum Control:
Challenge: Maintaining the correct vacuum level during the filling process is crucial for preventing contamination and ensuring product integrity. Any fluctuation in vacuum pressure can lead to air ingress or improper filling.
Solution: Implementing advanced vacuum monitoring and control systems can help maintain consistent vacuum levels. Regular calibration of sensors and vacuum pumps is essential.
01
Sealing and Crimping Mechanism:
Challenge: Achieving an airtight seal around the valve is critical for preventing leaks. Improper sealing can lead to product degradation and loss of efficacy.
Solution: Utilizing high-quality sealing components and regularly testing the sealing process can enhance performance. Implementing adjustable crimping parameters can also help accommodate different can sizes and materials.
02
Material Compatibility:
Challenge: The machine must handle various media (liquids and gases) that may have different properties, such as viscosity, volatility, and reactivity. Ensuring compatibility with materials like refrigerants and propellants is vital.
Solution: Conducting thorough material compatibility testing and utilizing corrosion-resistant materials in the machine's construction can mitigate this issue.
03
Filling Accuracy:
Challenge: Achieving precise filling volumes is essential for product consistency, especially for regulated products like pharmaceuticals. Variability in filling can lead to customer dissatisfaction and regulatory issues.
Solution: Implementing advanced flow measurement systems and calibration protocols can improve accuracy. Regular maintenance and monitoring of filling components are also important.
04
Automation and Control Systems:
Challenge: Integrating complex automation systems, such as PLCs and HMIs, can be technically demanding. Ensuring that the control systems operate smoothly and interact correctly with the machine components is crucial.
Solution: Collaborating with experienced automation engineers during the design phase can facilitate effective integration. Providing adequate training for operators on system use and troubleshooting is also beneficial.
05
Product Recovery Systems:
Challenge: Recovering unused or excess propellant and ensuring that it is safely contained can pose a technical challenge. Inefficient recovery can lead to product loss and increased operational costs.
Solution: Designing effective recovery systems and implementing regular maintenance protocols can enhance recovery efficiency and minimize waste.
06
Cleaning and Maintenance:
Challenge: Ensuring the machine is adequately cleaned between batches is critical for preventing contamination. However, complex designs can make cleaning difficult.
Solution: Incorporating Clean-in-Place (CIP) systems or designing components for easy disassembly can simplify maintenance and cleaning processes.
07
User Training and Operation:
Challenge: Operating and troubleshooting advanced machines requires skilled personnel. Insufficient training can lead to operational errors and machine downtime.
Solution: Providing comprehensive training programs for operators, along with clear operating manuals, can enhance operational efficiency and reduce the risk of errors.
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Applicable can diameter |
38~75mm |
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Applicable can height |
70 ~ 330mm |
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Sealing diameter |
26.5~27.5mm |
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Sealing depth |
5.0 ~ 5.3mm |
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Vacuum degree |
0~0.96Mpa |
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Gas pressure |
0.6 ~ 0.8Mpa |
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Max. gas consumption |
0.6m³/min |
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Production capacity |
500 ~ 900cans/hr |







