Product Description

The SUNAURA air-cooling continuous aluminum foil induction sealer is the value configuration of our high-power continuous platform. It delivers the same 2300W sealing capability and the same wide-head Φ30–150mm cap range as the premium water-cooled variant, but it uses forced-fan wind cooling instead of water. There is no water supply line, no drain, and no chiller to install — just plug it in, roll it to your line, and start sealing.

This design deliberately trades the all-day duty cycle of a water-cooled unit for a lower purchase price and a much lighter on-site installation burden. It is aimed at buyers who need wide-head power and throughput but whose duty cycle suits air cooling: small-to-medium workshops, contract packers, and producers running intermittent or split-shift bottling. The head adjusts in height (20–600mm) and front-to-back (0–260mm), and the compact mobile frame rides on swivel casters so it can be moved between lines or parked when not in use.

Built with a stainless-steel and aluminum construction and an integrated belt conveyor, it integrates cleanly into existing packaging lines. Every unit is CE certified, backed by a 12-month warranty and lifetime technical support from our 48,000㎡ Qingdao factory.

Technical Specifications

Key Features & Benefits

• Same 2300W / Φ30–150mm Wide-Head Performance: Matches the sealing power and cap range of the premium platform, covering everything from narrow screw caps up to large wide-mouth lids.
• Forced Air Cooling — No Water Hookup: Built-in fan and wind-cooled ducts remove the need for a water supply, drain, or chiller. Lower installation cost and zero water handling on the floor.
• Lower Acquisition Price: Removing the water circuit makes this the most affordable way to enter wide-head continuous sealing — ideal for budget-conscious buyers.
• Adjustable Head Height & Position: Head moves through 20–600mm vertically and 0–260mm front-to-back, so you can fine-tune the sealing gap across mixed SKUs without tooling changes.
• Stainless-Steel + Aluminum Construction: Corrosion-resistant body suited to food, chemical, and cosmetic production environments.
• Easy Line Integration: Integrated conveyor and standard mounting interface let you slot the sealer after an existing capping machine with minimal effort.
• Compact Mobile Frame on Swivel Casters: Roll it between workstations or park it off-line when not sealing — no fixed anchor bolts required.
• Factory-Direct & CE Certified: Built in our Qingdao plant with over-temperature protection and RF shielding, backed by a 12-month warranty and lifetime support.

Application Industries

This air-cooled continuous sealer is aimed at small-to-medium batch bottling operations that need genuine aluminum-foil tamper evidence but want to avoid water-cooled complexity.

How Induction Sealing Works

Induction bonding is a non-contact process that fuses an aluminum foil liner to the container mouth using electromagnetic energy. The cycle on this continuous air-cooled unit runs as follows:

1. Capped containers feed under the sealing head. The pre-capped bottle, fitted with a foil-backed liner, moves along the integrated conveyor beneath the wide RF sealing head at the selected line speed.
2. High-frequency field induces current in the foil. The 2300W generator drives a high-frequency alternating magnetic field through the wide head, inducing eddy currents that heat the aluminum foil almost instantly.
3. Wax melts and the polymer film bonds to the rim. Heat melts the wax layer into the pulp board while the heat-activated film on the underside of the foil fuses to the container mouth.
4. Cap removed, foil seal remains. When the end user unscrews the cap, the pulp liner stays inside the cap while the aluminum foil disc stays bonded to the mouth as a visible tamper-evident seal.
5. Air cooling keeps the generator stable. Forced fan flow continuously draws heat away from the generator and head coil, so the unit stays within its duty cycle without any water circuit.

How to Choose the Right Air-Cooled Induction Sealer

This model is the right fit when wide-head power matters but water cooling does not. Use these four checks to confirm it matches your operation:

1. Confirm your cap range is Φ30–150mm. The wide head covers large and medium lids; if all your caps are below ~60mm, a narrower-neck model may be a better-value choice.
2. Match the duty cycle to air cooling. Air cooling suits intermittent or split-shift production (roughly up to 8 hours/day with breaks). If you run continuous 24/7 high-power sealing, step up to a water-cooled unit instead.
3. Verify floor and utility requirements. This unit needs only a 220V power outlet and a level floor — no water, drain, or chiller. Confirm your conveyor height and line direction match before ordering.
4. Estimate throughput. At 5–18 m/min you can reach 80–300 bottles/min depending on cap size. If your fastest shift exceeds this, talk to us about the high-speed water-cooled platform.

Troubleshooting Guide — Common Issues & Solutions

Air-cooled units are simple and reliable, but production issues occasionally arise. Below are the problems our engineers see most often on this model, their likely causes, and step-by-step fixes. Always disconnect power before inspecting the sealing head.

If the issue persists after these steps, contact our engineers at [email protected] with photos and a short video — we usually diagnose the root cause within one business day.

Frequently Asked Questions

Related Induction Sealers

Electric Continuous Induction Sealer for Aluminum Foil

Large-Head Continuous Induction Sealer (30–150mm Caps)

High-Speed Automatic Induction Sealing Machine with Conveyor

Continuous Induction Foil Sealer for Bottles & Jars

Browse the full range on the induction sealing machines landing page. Also explore our carton sealers and liquid filling machines for complete packaging lines.