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Rock Island, IL -- Building on the ongoing success of their ability to positively seal equipment in dry powder and bulk process applications, Inpro/Seal company now offers two shaft-sealing systems for the containment of powders, abrasives, liquids and toxic vapors; the Air Mizer™-PS and the Articulating Air Mizer™- PS with upgraded design features.
The Air Mizer® product line was developed to use minimal amounts of air pressure to seal shafts where dry particulates, powders and bulk solids are handled, processed, packaged and stored. They can be installed on screw conveyors, mixers, blenders, rotary valves, feeders, gates, clinker grinders, bucket elevators, diverters, scales, bagging machines, dust collectors, discharges, classifiers, screens, extruders, separators, shredders, sifters, gate valves, metal detectors, pulverizers, crushers, coolers, augers, transfer pumps, fillers and similar dry powder and bulk processing equipment.
The result of direct customer requests, input and feedback, continuous R&D and extensive field testing and trials, the Articulated Air Mizer-PS has all the features of the original Air Mizer™-PS and adds the ability to handle extreme shaft run-out and deflection, common in these kinds of applications to provide a seal that conventional methods simply cannot attain.
Before the advent of the Articulating Air Mizer®- PS, end users had to deal with sealing methods that did not last because of shaft run out, including mechanical seals, lip/contact seals and packing. Mechanical seals work on a contact basis and are subject to excess wear on the seal faces as they make contact. Seal faces have been known to wear out in as little as 3,000 hours.
Fibrous packings are also subject to wear and short lifetimes from run out where packing in the stuffing boxes compress and create a leak path. Packing can soften to the point where powder can leak to the outside, causing environmental problems. Tightening may renew the seal, but only for a relatively short period of time.
To counter the adverse effects of these sealing systems, Inpro/Seal took their compound labyrinth bearing isolator and modified it to incorporate air as an extra sealing solution. As with all Inpro/Seal Bearing Isolators, the original Articulating Air Mizer®- PS is a non-contact seal that avoids direct egress of the particulate material and assures the highest levels of performance. Its major innovation is the inclusion of a unique design feature that uses a solid wall of air that functions as a barrier for contamination and works to retain product where it should be -- in the equipment, not outside of it.
Working with shaft diameters of 1/2" - 36", end users obtain the latest in non-contacting technology with an air purge that accepts severe radial and angular shaft run out up to 1/4". It will help end users boost equipment reliability, reduce costs, extend sealing efficiencies and increase bottom line results, without equipment modifications.
About Inpro/Seal
Inpro/Seal Company is the originator and the world's number one manufacturer of bearing isolators, used to protect motor and pump bearings, machine tool spindles, turbines, fans, gear boxes, paper machine rolls and many other types of rotating equipment. Additional applications include the sealing, handling, processing, packing and storage of dry particulates, powders and bulk solids.
Web site: http://www.inpro-seal.com/
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