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450 Automatic Impulse Sealer

Clamco 450 for airtight watertight seals up to 18″ The Clamco 450 Automatic Impulse Sealer makes high-quality consistent seals time after time. The 450 seals automatically to enable continuous production, sealing thermoplastic films such as polyethylene and polypropylene. When impulse sealing, the seal bar can be set to automatically close, and is heated during the sealing process. The seal bar begins to cool while remaining closed for the specified amount of time. The seal bar automatically opens to begin the sealing process again; controls can be set to the pace of the operator. A versatile sealer, the 450 can be used in horizontal or vertical position. An adjustable product shelf is included for packaging ease and a footswitch for manual control to initialize electromagnetic sealing. Controls include ReCycle Time to pace the operator, Congealing (Dwell) Time for cool down time under pressure and Sealing Time which is adjustable for bag thickness and material. During automatic sealing, the arm on the 450 moves down via an electromagnet while uniform pressure is provided by the use of controlled electronic timers. Once the correct control settings have been established, consistent seals will be maintained automatically, making the last seal as perfect as the first seal. The Model 450 Clamco Automatic Impulse Sealer includes a 1 year limited warranty.


450 User Benefits

  • Automatic recycling timer sets time for seal bars to remain open
  • Variable dwell control allows flexibility to use a range of films
  • Manual mode with foot pedal control

450 Operating Benefits

  • Automatic sealing cycle for pace operations
  • Uniform seal pressure for consistent seals
  • Operates in horizontal or vertical position

450 Set-up Benefits

  • Product shelf for packaging ease
  • Replacement kits and parts available


Model 450 Impulse Sealer
Maximum Seal Length Up to 18″
Maximum Material Thickness 6 mil
Seal Width 1/8″
Heat timer .3-2.2 seconds
Dwell (cool) time .5-8 seconds
Recycle time 1-8 seconds
Adjustable Product Shelf 16.5″W x 9″D x 2.5″H
Electrical 110 Volt, 750 Watt
Machine Dimensions
(without tray)
21″W x 14″D x 8″H
Weight 50 lbs




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