Hansentek, manufacturer of Spark Detection & Extinguishment Systems, offers the AN6400 multi-zone system and AN104 single zone system. The AN6400 is fully expandable up to 64 zones and can individually identify and extinguish each spark in the zone before it reaches the dust collector. Selectable features allow you to tailor each zone to your particular hazard. These features are standard not high cost options.
The AN104 single zone system is capable of protecting a dust collector with one duct up to 44" diameter. Hansentek's systems are designed to give you the utmost in protection, information and control with minimum service requirements. The systems are FM Approved.hansentek.com