Single-inlet plenum This ventilation chamber from Addex can be used as a retrofitted piece for existing blown film lines.
What’s new? The plenum, which features a new aerodynamic design. It has dual counterflow channels that direct air flow in two opposing directions that join together to create a combined uniform flow of air to the lip set. It offers an improvement over conventional single-inlet plenums that have only one blower hose. Such equipment sometimes is unable to deliver an even gauge profile, making multi-inlet air rings more attractive than conventional plenum offerings because the multi-inlet units can divide air flow into multiple closely spaced inlets.
Benefits Better bubble stability and profile control. Users of a single-inlet plenum need fewer hoses, which eliminates the potential risk of thickness profile variations caused by the use a variety of hoses with disparate dimensions. This also conserves plant-floor space and provides easier access for operators to do work around the die.
Addex Inc., Newark, N.Y., 315-331-7700, www.addexinc.com
