Allegro's Complete Ventilation Systems include all the most-asked-for equipment you need for your confined space site. The systems include a choice of Allegro's most popular blowers, six feet and fifteen feet of ducting with a storage bag and a Manhole Ventilation Passthru (MVP). The Centrifugal Blower Systems offer lightweight portability with the highest output available. See individual blower descriptions for CFM, weight and other specifications.

This blower offers flexibility by allowing workers to use high speed in applications such as purging an area, and the lower speed for sites such as dusty environments. The 8” (20.3cm) ports allow for positive ventilation or fume extraction. Large metal base and with integrated handles for support and portability. Comes complete with in-line ground fault indicator (GFI) for safety.

Features and Specs: 

CONSTRUCTION:

• 8” (20.3 cm) flange on intake and exhaust side
• Tough “safety orange” polyethylene construction
• One piece housing with integrated handle
• Black powder coated 12 gauge steel base
• 8-blade cast aluminum fan impeller
• 6’ (1.82 m) inlet duct extension
• Steel black powder coated grills
• Equipped with five rubber feet

MOTOR:

• 5 HP, gasoline powered (170cc)
• Four stroke cycle
• Air cooled
• 3.2 quart (3.03 liters) fuel tank
• Pull start
• Also available with a Honda 3.5 hp engine (P/N: 9505-50)

FAN:

• Aluminum, eight blades

DUCTING: (Optional)

• Yellow, single-ply lightweight vinyl/polyester, PVC coated
• 180°F (82.2°C) temperature resistant
• Retractable, non-collapsible design
• Hard drawn spring steel wire helix, ASTM 227 Specs