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Alpha 440 Feature of the Week: Roots 47 WhispAir Blower

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Roots WhispAir 47 Blower

The Universal RAI-J® Dual Splash Lubricated design incorporates dual splash lubrication to the gear and drive ends. ROOTS' exclusive "figure-eight" gearbox design improves oil distribution to maximize bearing and gear life. Pairing the 24 HP Kohler engine with the Roots 47 WhispAir provides 444 CFM of cleaning power.

WhispAir Silencing Technology

The WhispAir Blowers have silencing manifolds built into each port of the blower. While a blower is spinning, it is "pulsing" in the process. The pressure pulses, inherent in the rotary-lobe design, are also the major source of blower noise. The rapid backflow of air into the blower from the discharge line, four times per revolution, results in high noise levels in a conventional blower. The WhispAir jet design controls the backflow of air into the blower, reducing noise by approximately 5 dBA vaccum, 3 dB pressure.

The combination of the WhispAir blower along with our unique silencing system makes the Alpha 440 one of the quietest units available. Imagine being able to run your truckmount at night or in residential areas with no noise complaints! The Alpha 440 can do just that!

Visual Comparisons

Black Lines: Conventional Blowers

Blue Lines: Roots WhispAir Blower

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