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Tunnel Ventilation |
Tunnel ventilation is a variation of cross flow ventilation often making use of the end wall of a poultry or dairy facility to maximize ventilation requirements.
In extreme heat conditions this system allows high velocity air to move across the livestock. End walls and/or sidewalls are equipped with sliding panels/curtains (internal or external mounting) that adjust to satisfy the negative pressure created by the bank of fans located in the end walls of the barn. This system may only be utilized 10% of the total year but is necessary for healthy livestock.
Sun-North designs and manufactures tunnel ventilation systems for both new and retrofit poultry facilities and can custom manufacture a door system to suit your situation. There are a number of options to create large inlets to satisfy the static pressure created by the banks of fans. These options include sliding panels, curtains and the most popular and easiest to operate, Sun-North insulated doors.
The Sun-North insulated doors are operated by state-of-the-art all aluminum positive drive rack and pinion hardware.
