PP-50 Power-Plume®

Laboratory Exhaust Systems

VP
Vari-Plume®
LE
LE
PP
Power-Plume®
TCNBLE
TCNBLE
QMX-VP
QMX-VP
Vari-Plume®
U.S. Patent No. 7,484,929

A high plume fans, designed for safer and more reliable displacementof lab exhaust air.

This schematic represents a typical lab exhaust system. Included are the lab hoods, modulating control valves, ductwork connecting to a manifold, a mixing box with bypass damper, a QMX mixed flow fan and a Vari-Plume high plume dilution nozzle. While this illustration shows a single fan/multiple hood arrangement, the Vari-Plume is also available for other lab exhaust configurations. From a one fan/one hood system to more critical redundant system configurations, Vari-Plume is your answer for laboratory exhaust. Multiple fan system options for both the QMX and CA are available.

AMCA Air & Sound Certified for Induced Flow Fan
Performance

LE Series
Standard Nozzle, without power. Can be added onto several exhaust fans

Power-Plume®
U.S. Patent No. 8,672,614

The Power-Plume was designed for critical lab applications where safety and efficiency are the primary concerns.

Power-Plume is a powered induction device used to induce large amounts of ambient air and generate plume height regardless of the lab exhaust flow. This device has the unique advantage of maintaining a minimum 50 foot plume height even as the lab exhaust flow is reduced for partial load conditions. Dilution rates at maximum lab exhaust flow exceed 200%. As the lab exhaust is reduced, dilution rates can exceed 1,000%.

Power-Plume conveys a column of ambient air around the lab exhaust air encapsulating the contaminated lab exhaust. The primary lab exhaust fan is still utilized to exhaust the contaminated lab air. It can now be operated on a VFD for partial load conditions. This saves energy as we no longer need to utilize bypass air during partial load conditions to maintain plume height. Since the primary lab exhaust fan is not required to generate the high discharge velocities for adequate plume height, the power requirements of this fan are significantly reduced.

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