Profile: Howden is a supplier of air and gas handling equipment, including industrial fans, process gas compressors, and rotary heat exchangers. In our rotary heat exchangers, the heat transfer elements comprise of thin steel plates formed by rolling. We supply a wide range of profiles to best match various fuels and applications such as combining minimum pressure drop, high efficiency, compact depth, and ease of cleaning. We also provide a range of sealing systems, including the advanced "VN" sealing system. Our fixed sealing system includes full depth rotor double sealing, that keeps leakage constantly low for extended periods between outages.