In the modern packaging industry, the linear filling and sealing machine has become one of the most widely used solutions for food, beverage, cosmetics, and pharmaceutical production lines. With its flexibility, automation, and high accuracy, this machine ensures that businesses can achieve consistent packaging quality while improving production efficiency.
What is a Linear Filling and Sealing Machine?
A linear filling and sealing machine is designed to handle filling and sealing tasks in a straight-line layout. Products are fed continuously along a conveyor, passing through filling, sealing, and capping stations. Compared to rotary systems, linear machines are more suitable for medium to large-scale production and can accommodate a wide range of container types and sizes.
This type of equipment is particularly popular for cups, trays, bottles, and jars in industries such as:
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Food & Beverage: yogurt, sauces, juice, milk, coffee, ready meals.
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Cosmetics & Personal Care: creams, gels, lotions.
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Pharmaceuticals: liquid medicines, syrups, nutraceuticals.
Workflow of a Linear Filling and Sealing Machine
The machine integrates multiple functions in one streamlined process:
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Container Feeding – Empty containers are automatically fed onto the conveyor line.
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Accurate Filling – Product is filled into containers using volumetric, piston, or pump-based systems.
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Lid Placement / Film Application – Depending on packaging type, either pre-cut lids or sealing film is applied.
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Heat Sealing or Ultrasonic Sealing – Ensures leak-proof and hygienic closure.
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Coding / Labeling – Expiry dates, batch codes, and branding details are added.
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Finished Product Discharge – Sealed products are automatically discharged for packing or distribution.
Key Features of Linear Filling and Sealing Machines
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High Speed & Flexibility – Can handle multiple product types with adjustable filling volumes.
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Precision Filling – Advanced sensors and dosing systems reduce product waste.
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Hygienic Design – Stainless steel body, CIP/SIP cleaning systems.
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User-Friendly Control – PLC touchscreen interface for easy operation.
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Customizable – Can be configured for different container shapes and sealing materials.
Example of Technical Parameters
| Parameter | Specification (Typical Range) |
|---|---|
| Filling Range | 50 ml – 1000 ml (customizable) |
| Production Capacity | 2,000 – 8,000 containers/hour |
| Accuracy | ±1% (depending on product viscosity) |
| Power Supply | 220V / 380V, 50Hz/60Hz |
| Material | SUS304 / SUS316 Stainless Steel |
| Control System | PLC + Touchscreen |
| Sealing Options | Heat sealing, ultrasonic sealing |
Customer Case Study
One of our clients, a European dairy company, faced challenges with their old semi-automatic filling equipment. They struggled with low efficiency, inconsistent sealing, and frequent product leakage during transportation. This not only increased costs but also damaged their brand reputation.
After adopting our linear filling and sealing machine, they reported:
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30% increase in production efficiency.
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Consistent seal quality, eliminating leakage issues.
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Reduced labor costs thanks to higher automation.
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Ability to switch between yogurt and juice cups with minimal changeover time.
This upgrade allowed them to expand production capacity and successfully enter new export markets.
Why Choose Shanghai Biaozan’s Linear Filling and Sealing Machine?
At Shanghai Biaozan Co., Ltd., we specialize in advanced packaging machinery solutions. Our linear filling and sealing machines stand out because:
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Tailor-Made Solutions – We customize machines based on your product, container, and production requirements.
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Strong R&D Team – Continuous innovation ensures cutting-edge performance.
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Global After-Sales Service – Professional installation, training, and 24/7 support.
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Proven Track Record – Trusted by food, cosmetics, and pharmaceutical manufacturers worldwide.
With our linear filling and sealing machine, you gain not only equipment but also a long-term partner to optimize your packaging process and business growth.
✅ Contact us today to discuss how our linear filling and sealing machine can upgrade your production line and bring your business to the next level.