Best Purging Systems manufactures a complete range of UL listed NFPA 496 Type Y & Z Enclosure Purging Systems to protect electrical and electronic equipment enclosures in hazardous electrically classified areas within refineries and chemical manufacturing facilities. The products are available online and feature universal flanges to facilitate easy installation. They are offered with a full range of accessories, including enclosure protection vents, redundant supply air regulators, integrated or stand-alone pressure loss alarm switches, alarm beacons and horns, enclosure connection fittings and panel mount gasket kits. Contact us now for complementary code interpretation and compliance assistance and expert application development!