Alpha Marathon bubble chambers are designed to provide improved cooling efficiency while providing a protective shroud around the frost line.
Bubble chamber features a radial set of fins to accommodate changes in bubble diameter as changes in the blown film process warrant.
The shroud offers access points to the bubble as well as a visible sight line.
Bubble chambers are designed to fit Alpha Marathon air rings and can be retrofit to most air rings.

Features & Benefits:

• Protects bubble from external influences such as drafts
• Simple operation
• No utilities required
• Increased output

Installation and Operation

The bubble chamber is positioned on top of the air ring.
Manual adjustment of the iris to accommodate changes in bubble diameter.