Small Bag Vacuum Heat Sealer
Small Bag Vacuum Heat Sealer
Small Bag Vacuum Heat Sealer
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  • Small Bag Vacuum Heat Sealer
  • Small Bag Vacuum Heat Sealer
  • Small Bag Vacuum Heat Sealer

Small Bag Vacuum Heat Sealer


A vacuum-pumping and heat-sealing integrated machine specially designed for 25 kg small bags, which performs internal vacuum degassing and oxygen removal as well as heat sealing of the bag opening, effectively preventing moisture absorption, oxidation, and powder reversion. It is available in three configurations: external-pump type, cabinet-type with automatic conveying, and cabinet-type with manual door opening, catering to small-bag packaging needs across varying levels of automation and diverse production environments.
  • Product Description

    This integrated vacuum-pumping and heat-sealing machine is specifically designed for 25 kg small bags, enabling internal vacuum degassing and bag-mouth heat sealing to effectively prevent moisture absorption, oxidation, and powder reversion. It is available in three configurations: external-pump type, box-type with automatic conveying, and box-type with manual door opening, catering to diverse small-bag packaging needs across varying levels of automation and production environments. The entire system features dual-channel, double-sided heating with adjustable temperature and time settings; thermocouples ensure precise temperature control and real-time display on the touch screen. The sealing area is equipped with a replaceable high-temperature adhesive pad for easy maintenance. A dust-proof design is incorporated for lithium-battery applications, while food- and pharmaceutical-grade models meet stringent hygiene requirements. The machine can be seamlessly integrated with upstream packaging equipment and checkweighers.

    Product Categories

    1. External-extraction heat sealer: features constant-temperature heating and a duckbill-style vacuum extraction function, offering flexible operation and a compact footprint, making it ideal for vacuum sealing small bags in small to medium batch sizes and with multiple specifications.
    2. Small-bag carton heat-sealing machine (with automatic conveyor): features an integrated sealed chamber and an automated conveyor line, enabling full-process automation, excellent vacuuming performance, precise control of headspace gas content, and ideal suitability for high-volume, highly automated small-bag packaging.
    3. Small-bag, box-type heat sealer (manual door opening): features a fully sealed chamber; bag placement and removal are manually assisted; offers high vacuum-pumping accuracy and excellent cost-effectiveness; ideal for high-precision sealing of small bags in small to medium batch production.

    Technical Specifications

    ProjectExternal-Draw Heat Sealing MachineBox-type heat sealing machine (automatic conveyor)Box-type heat sealing machine (manual door opening)
    Sealing methodDual-channel, dual-sided heating; sealing and cooling times are adjustable.Dual-channel, dual-sided heating; sealing and cooling times are adjustable.Dual-channel, dual-sided heating; sealing and cooling times are adjustable.
    Sealing sizeLength: 800 mm, Width: 10 mmLength: 800 mm, Width: 10 mmLength: 800 mm, Width: 10 mm
    Degree of vacuum≥-70 kPa (adjustable)≥-80 kPa (adjustable)≥-80 kPa (adjustable)
    Thermal bonding efficiency≥40 packs/hour≥40 packs/hour≥30 packs/hour
    Heating methodHeating wire + adhesive high-temperature fabricHeating wire + adhesive high-temperature fabricHeating wire + adhesive high-temperature fabric
    Temperature control methodDigital temperature control, manual adjustmentThermocouple temperature control, touchscreen displayThermocouple temperature control, touchscreen display
    Transportation methodManual conveyance304 Stainless Steel Belt Automatic ConveyorManually open the door to take out/put in bags
    Main Material304 stainless steel304 stainless steel304 stainless steel
    Total power3kW5kW4kW
    Air Source Requirements0.4-0.6MPa0.4-0.6MPa0.4-0.6MPa
    Compatible bag type25 kg small bags (PE composite bags, aluminum foil bags, kraft paper bags)25 kg small bags (PE composite bags, aluminum foil bags)25 kg small bags (PE composite bags, aluminum foil bags)

    Application Industries

    New energy lithium battery materials, chemical industry, food industry, pharmaceutical industry, and rubber and plastics industry (small-bag packaging for powders that are hygroscopic, easily oxidized, and prone to reversion to powder).

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