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 MSA Vortex Tube PremAire System Upgrade Kit
When protective suits are worn in conjunction with the PremAire System, the vortex tube option helps improve worker comfort and productivity by providing temperature control. For example, when workers must wear chemical splash suits, they get a cooling capability with this option.
Two vortex tube models are available:a “cool-only” version reduces the temperature of air flowing into the protective garment by as much as 60•F; and a “warm/cool”model provides the same cooling capability,but also provides the option of increasing the temperature of air flowing into the garment by as much as 60•F. As such, the “warm/cool”model is well-suited for personnel who must work in cold climates or refrigerated rooms.
In operation,a single air-supply hose feeds the “MAIN”inlet of the PremAire manifold, where the air path is then split in two:one portion flows to the mask-mounted regulator attached to the facepiece while a second portion is directed into the belt-mounted vortex tube. Inside the vortex tube, rapid expansion of air produces both cool and warm air. With the “cool-only”version, hot air is vented through the vortex tube’s exhaust port while cool air is directed into the suit.With the “warm/cool”version, the worker can direct either the cool or warm air into the suit for temperature control.
Vortex tubes designed for the PremAire System are compatible with a wide range of chemical resistant clothing.
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