Convey and distribute air from the Power Tube Fan at one end of the ventilated or heated space, through a pressurized polyethylene tube and into the house as uniformly as possible. The Power Tube Fan is for controlled environments where a precise tempering of air is critical to production. For the necessary low velocity tempering of air, these fans and tubes are perfectly matched. The 12 and 18 inch fans are direct drive units The 24 and 30 inch fans are belt driven and incorporate the Coolair exclusive stationary shaft design from the Coolair NBF type units.

Important Note: Fan should be installed at a minimum of 8' above the ground due to the fan blades being exposed.

Standard Features:

• Constructed of heavy gauge steel
• Air straightener vanes for efficient air distribution
• Totally enclosed heavy-duty motor with sealed ball bearings
• Propellers have six steel die formed blades
• Belt driven models have two sealed, lifetime lubricated, oversized shaft bearings

Dimensions:

12" or 18" direct drive; 24" or 30" belt driven.

Fan Performance Specifications

Model No.	Type Fan	CFM	Motor HP	Tube Size	Weight
PTF112F17	Direct Drive	1250	1/6	12	60
PTFA18H16	Direct Drive	3650	1/3	19	72
PTFB24H	Belt Drive	4850	1/3	25	120
PTFB30J	Belt Drive	7550	1/2	30	150
PTFB30L	Belt Drive	10450	1	30	155