High-Efficiency Induction Sealing Machine Water-cooling

Machine Introduction

Automatic Electromagnetic Aluminum Foil Induction Sealing Machine is used to seal aluminum foil inside the non-metal cap of plastic and glass bottles, reaching the aim of wet-proof, leakage-proof and extending preservation time. It is widely used as sealing packaging machine in industries such as pharmaceuticals, chemicals, cosmetics, foods, etc.

Technical Parameters

Machine Layout

The Ry-AFIS-WC is a continuous-motion electromagnetic induction sealing machine designed for high-volume bottling lines in pharmaceutical, food, chemical, and cosmetic manufacturing. The system creates hermetic seals on plastic and glass bottles by bonding aluminum foil liners to container mouths through electromagnetic energy, delivering tamper-evident protection and extended shelf life for moisture-sensitive, oxygen-sensitive, and contamination-critical products.

Capable of sealing up to 200 bottles per minute across container diameters from 10 to 100 mm and heights up to 180 mm, this machine integrates directly into existing conveyor lines. The 304 stainless steel construction and integrated cooling system enable continuous 24-hour operation without performance degradation, making it suitable for multi-shift production environments where downtime directly impacts output targets.

Technical Specifications

• Model: Ry-AFIS-WC
• Sealing Speed: 0 to 200 bottles per minute
• Conveying Speed: 0 to 25 meters per minute (adjustable)
• Applicable Bottle Neck Diameter: 20 to 120 mm
• Applicable Bottle Diameter: 10 to 100 mm
• Applicable Bottle Height: 10 to 180 mm (custom sizes available on request)
• Power Supply: AC 220V, 50/60Hz, single phase
• Power Consumption: 4 KW
• Induction Head Dimensions: 665 x 170 x 100 mm
• Machine Weight: 75 kg
• Overall Dimensions (L x W x H): 1360 x 500 x 1090 mm

Key Features

1. 304 Stainless Steel Construction: The entire machine body is fabricated from high-grade SUS304 stainless steel, providing corrosion resistance for washdown environments and compatibility with pharmaceutical and food-grade production standards. The material resists oxidation and maintains structural integrity under continuous high-temperature operation.
2. Integrated Cooling System: Three cooling fans work in concert with the water-cooling circuit to dissipate heat generated by the induction coil during continuous operation. This dual-cooling approach maintains stable coil temperature, consistent seal quality across long production runs, and extends the operational lifespan of critical electronic components.
3. Pure Copper Induction Coil: The electromagnetic coil is wound from pure copper rather than aluminum alloy, providing superior conductivity and more uniform magnetic field distribution. This results in faster, more comprehensive foil heating and a consistently firm bond between the foil liner and the container lip.
4. Height-Adjustable Sealing Head: A handwheel mechanism allows operators to adjust the induction head height to match container dimensions. Changeover between tall and short bottles takes under a minute without tools, keeping line stoppage to a minimum during product transitions.
5. Width-Adjustable Guide Rails: The conveyor guide rails can be repositioned to accommodate different bottle widths and shapes, from narrow medicine vials to wide cosmetic jars. Adjustments are tool-free and lock securely in position.

How Induction Sealing Works

Induction sealing creates a hermetic barrier without direct contact between the sealing head and the container. The process begins when a capped bottle, containing an aluminum foil liner under the cap, passes beneath the induction coil on the conveyor belt. The coil generates an oscillating electromagnetic field that penetrates the non-metallic cap and reaches the conductive aluminum foil.

Eddy currents induced in the foil generate rapid, localized heat. This heat melts the heat-sealable polymer film bonded to the underside of the foil liner. The molten polymer flows onto the lip of the container, and as the bottle exits the induction field, the polymer cools and solidifies, creating a permanent bond between the foil and the container rim.

The result is a tamper-evident, airtight seal that protects against moisture ingress, oxygen exposure, microbial contamination, and product leakage during transport and storage. The seal remains intact until the consumer peels the foil, providing visible evidence of prior opening.

Applications Across Industries

The Ry-AFIS-WC serves multiple industry sectors where product integrity and shelf-life extension are critical:

• Pharmaceuticals: Sealing liquid medicines, syrups, tablets, and capsules in HDPE, PET, and glass bottles to meet GMP requirements for tamper evidence and moisture protection.
• Food and Beverage: Sealing cooking oils, sauces, dairy products, juices, and condiments to prevent leakage and extend freshness.
• Cosmetics and Personal Care: Sealing skincare serums, toners, essential oils, and hair care products in premium packaging that communicates quality and prevents tampering.
• Chemicals: Sealing cleaning solutions, automotive fluids, and agricultural chemicals in containers where leakage prevention protects both product quality and user safety.
• Nutraceuticals: Sealing vitamin supplements, protein powders, and herbal preparations to maintain potency and prevent moisture degradation.

Compatible Container Materials

The induction sealing process works with any non-metallic container material, including:

• Polyethylene (PE) bottles
• Polypropylene (PP) containers
• Polyethylene terephthalate (PET) bottles
• Polystyrene (PS) jars
• ABS plastic containers
• Glass bottles and jars of all standard sizes

Metallic bottles and metal caps cannot be used with induction sealing, as the metal would interfere with the electromagnetic field. For products packaged in metal containers, alternative sealing methods such as heat seal or pressure-sensitive sealing should be considered.

Quality Assurance and Compliance

Each Ry-AFIS-WC unit undergoes factory acceptance testing that includes continuous-run seal integrity verification across the full range of specified container sizes. The machine is manufactured under an ISO 9001:2015 quality management system and carries CE certification for international market compliance.

Hangzhou Ruiyi Machinery Technology Co., Ltd brings over 20 years of engineering experience to every machine produced. The company has supplied induction sealing equipment to manufacturers across 50-plus countries and regions, with installations operating reliably in facilities regulated by the United States FDA, the European Medicines Agency, and national food safety authorities worldwide.

Maintenance and Service

Routine maintenance requirements are minimal, reflecting the robust design philosophy of the machine. Recommended maintenance includes periodic cleaning of the cooling fans, inspection of the conveyor belt for wear, and verification of induction coil alignment. A detailed maintenance schedule is provided in the operation manual.

Standard delivery time is 7 to 15 working days for single units. The package includes operation manuals, installation video guides, and access to remote technical support. Lifetime technical assistance is provided with every machine. On-site installation and operator training by a service engineer can be arranged based on customer location and requirements.

Contact Us

For product specifications, pricing, or to discuss your specific sealing application, our technical team is ready to assist:

tel:+86-13868159610
email:[email protected]

Authored by Michael Zhang, Technical Director at Hangzhou Ruiyi Machinery Technology Co., Ltd. Michael leads the induction sealing product line and has 18 years of experience in electromagnetic sealing technology, having designed systems deployed in over 40 countries.