RL Series rotary lobe blower


The new RL Series rotary lobe blower from Thomas brings the benefits of “Roots blower” technology to
a unit measuring just 6 in. long and weighing only 1.75 lbs. The unusually small size is made possible
through a patent-pending assembly process that greatly minimizes leak paths within the blower chamber.
RL Series blowers provide high flow at low pressure and are ideal for applications including fuel cells,
laboratory pressure and vacuum sources, air samplers, gas boosting, and a variety of portable air-moving
Because rotary lobe blowers are contact-less with no
internal wear surfaces, the RL Series blower generates
very little heat, is very efficient, and provides long,
service-free life. A 12V brushless DC motor and
precision permanently lubricated timing gears carry the
long-life approach throughout the unit’s design.
Despite its small size, the RL Series blower delivers air
flow up to 1.90 cfm (538 lpm), pressure to 2 psi (0.14 bar) and vacuum to 4 in. hg (-135 mbar). It can be
mounted either vertically or horizontally and is equipped with standard 3/8 in. O.D. hose barbs and a 6 in.
wiring harness.
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