HRV Hooded Roof Ventilators

Description

HRV hooded roof ventilators are suitable for industrial supply or exhaust fan applications. They are ideal for a variety of applications, including general ventilation, moisture-laden air, heat or smoke fumes, and mild contaminates in the air stream. HRV hooded roof ventilators offer aerodynamically superior performance, constructed with a heavy duty welded steel base and aluminum hood with bird screen. These powerful industrial fans are available in diameters from 24″ through 60″. The adjustable pitch airfoil axial impeller is constructed of spark resistant die cast aluminum, and is factory set for precise performance matching. HRV hooded roof ventilators are available in either direct drive (HRVD) or belt drive (HRVB) configurations.

Features & Benefits of HRV Hooded Roof Ventilators

• Supply or exhaust applications
• Direct drive (HRVD) or belt drive (HRVB) arrangements
• Spark resistant, cast aluminum airfoil axial impeller
• Factory set adjustable pitch impellers
• Aerodynamically efficient performance
• Heavy duty welded steel base
• Baked polyester powder coat finish with a zinc rich primer
• Hinged aluminum hood with galvanized birdscreen
• TEFC industrial duty motor
• Direct drive units are easily maintained – no belts or pulleys
• Belt drive units have self-aligning pillow block bearings
• Belt drive units use v-belt drive for low speed operation
• Sizes range from 24″ to 60″ diameters

Accessories / Options

• Filtered intake unit
• Gravity shutter for exhaust only
• Pre-fabricated roof curb
• Custom curb panel to match existing curb
• Baked epoxy powder coat finish, two layers
• 2″ thick disposable filters, for filtered intake unit
• Variable pitch sheaves for easy and accurate adjustment
• Disconnect switch – mounted, or mounted and wired
• Motor operated damper for supply or exhaust applications
• Explosion proof and special duty motors
• AMCA spark resistant construction – consult factory

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Airflow Performance (cfm)

Fan Dimensions

• Select Charts / Diagrams tab below