DLM Plastics

Breather Bags



Breather bags are used to regulate pressure inside silos. When silos are exposed to the warm sun, the contents inside heat up expanding the gases inside causing them to vent out when the pressure reaches a certain level, the opposite is true at night when the silo cools, the air inside contracts and outside air is pulled into the silo. Traditional silos allow this interchange to happen freely with outside air and spoilage is typically increased. A sealed silo system, more popularly know as Harvestore brand, uses breather bags to trap these expanding gases from escaping by directing them into the large bags during periods of heat expansion and pulling this trapped air out of the bag upon contraction – this closed system greatly reduces the spoilage levels of the silage.

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