C.R.U. Changeable Response Unit
C.R.U. + MVU = A VERSATILE VENTILATION SYSTEM
Tempest Technology, Inc. has partnered with Pierce® Manufacturing, Inc. to offer a versatile platform for the Mobile Ventilation Unit (MVUTM). The Pierce Changeable Response Unit (C.R.U.) is a hook-lift loader that is designed to fit a ¾ ton or larger heavy duty truck (single or dual wheel).
The C.R.U. system allows the Mobile Ventilation Unit to be offloaded and manually positioned for positive pressure ventilation operations. The C.R.U. platform features caster wheels for easy positioning and outriggers to provide stability for the MVU.
The Tempest Mobile Ventilation Unit (MVU) is the next step in the evolution of PPV as a revolutionary firefighting tool, allowing for fast and controlled ventilation of large structures. The MVU makes it possible to quickly remove smoke, heat and gases from a variety of large structures:
- Airport Fire Fighting
- High-Rise Ventilation
- Box Stores / Warehouses
- Tunnel Firefighting
- Manufacturing Facilities
- Mass Decontamination

The MVU can be operated on or off the C.R.U. vehicle.
Specifications, MVU-125 with CRU Platform
Fan Shroud Diameter (inner): 50 inches
Fan Shroud Diameter (outer): 61 inches
Fan Impeller: 6-blades, Carbon Fiber
Impeller Speed: 1,850 RPM
Air Flow Rate: 132,350 CFM
Engine Model: 100hp Ford, 4-cylinder
Fuel Capacity: 12-Gallons
Running Time: 2.5hr per tank
Scissor Lift Elevation: 24-inches
Fan Tilt: 30-degrees
Fan Rotation: 270-degrees
Misting System: 80gpm @ 150psi
CONTACT YOUR PIERCE REPRESENTATIVE TO SCHEDULE A DEMONSTRATION
http://www.piercemfg.com/CRU.html
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