For welding in hard-to-reach areas, such as tanks, Sentry Air offers the Python Portable Floor Sentry[Model SS-300-PYT]: a portable fume extractor with a 10-foot long, flame-retardant hose. The capture hood of this unit is magnetic, which allows the operator to attach it to a surface while they perform their application.
When harmful fumes and particulate are extracted through the hose, they are directed by a powerful fan into the base unit, which houses a combination of high-quality filtration media to purify the contaminated air. In most cases, HEPA filtration is utilized [Sentry Air HEPA filters are up to 99.97% efficient on particles 0.3 microns and larger. They are also composed of flame-retardant material as an added safety measure]. Depending on the application, Activated Carbon can also be used.
Typical applications for this unit are maintenance welding, light grinding applications, stainless steel tank welding, welding in confined spaces, welding in elevated spaces [ex. asbestos in ceiling and raptors] , rapid location welding applications, welding on metal beams, VOC removal, and particulate and fume removal.