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LEUVEN, BELGIUM (May 2, 2019) — Donaldson Company, Inc. (NYSE:DCI), a leading worldwide manufacturer of innovative filtration systems and parts, has developed a dual-stage vent which is designed to meet the unique needs of automotive battery applications.
Why is dual-stage venting important? The first stage equalizes pressure while preventing the ingress of water and contaminants. Properly designed venting systems provide protection from contaminants along with pressure equalization, helping to support longer-lasting enclosures and battery life cycles.
In the rare case when the battery is in the process of burning up, the venting system must also be capable of providing immediate pressure relief, to help decrease the risk of potential explosions and other catastrophic outcomes. Stage two venting opens fully in the case of rapid pressure and heat buildup to allow expanding gases to escape, which helps prevent further damage to remaining cells.
Four functions of Donaldson's dual-stage battery vent that help support the life and reliability of your batteries: