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sealing head

Flat Sealing Head

When discussing the two styles of sealing heads, flat & tunnel, it is important to remember a few important concepts:

1. The strength of the electromagnetic field generated by your induction sealer dissipates exponentially with respect to the distance from the sealing head.

2. The distance from the top of your cap to the foil inside the cap is not equal with all closure styles. Compare a flat continuous thread(CT) cap with a child resistant closure(CRC.) The foil in the flat CT cap is very near the top while the foil in the CRC maybe as much as 1/4" from the top of the cap!

3. The physical size of the foil inner liner plays a role in determining which style of sealing head works best for your application. While it may seem a little counter-intuitive at first thought, it takes more energy to seal a smaller liner than it does a large one. Because as the liner increases in size, it also increases the amount of metal mass available to be heated.
Every application may vary a bit, but as a general rule containers with caps greater than 53mm in diameter where the foil is near the top of the closure are typically sealed utilizing a flat sealing head. The magnetic field produced by the sealing head is directed into the foil from the head above.
Enercon also offers a special sealing head known as our All-in-One sealing head which allows you to seal a range of closures from 20mm up to 120mm all with the same sealing head!


flat sealing head
An Enercon Compak cap sealer
with a flat sealing head ensures
a package of oysters is
hermetically sealed.

Cap Inspection Systems
Flashing Light
Mobile Cart
Motion-Foil Detection
Quick-Set Adjustable
Remote Control
Variable Sealing Control
All-in-One Head
Flat Sealing Heads
Tunnel Sealing Head
involving Floratine Products
Tropicana’s Clear PET
Bryson Industries, Inc.,
BBQ sauce/salad
AccuDial spins children
Sam’s Club
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