Wall Master Box Fan

Wall Master Box Fan

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Wall Master exhaust fans offer high volume output, smooth and efficient operation in a compact, low profile heavy-duty fan housing. Move and refresh the air in your building to create a healthier and more productive environment. Features heavy 18 Gauge galvanized steel housing, aluminum shutter, high efficiency motor with two year warranty and efficient 3 or 4 blade galvanized prop. Square box design makes for easy installation.

36″ or 50″
Heavy 18 Gauge galvanized steel housing
Galvanized 4 way X-frame mount
Aluminum shutter
High efficiency motor – Two year warranty.
Eccentric lock collar, pillow block, rubber cushion base bearings
Large, smooth galvanized venturi
Square box design, for easy installation
Galvanized fan guard mesh
Direct or Belt drive fan
Automatic spring loaded belt tightener
Efficient 3 or 4 blade galvanized prop
Balanced blade & pulley for smooth operation

Specifications

Model No.	Size	HP	Volt	Amps	HZ	Phs	Spd	CFM @ .5 SP	Drive	Blade	Rough Opening
VF36DM	36″	1/2	115/230	7.0/3.5	50/60	1	1	10,100	Direct	3-Galv	41 x 41
VF36DM3CF	36″	1/2	230/460	2.4/1.2	50/60	3	1	10,000	Direct	3-Galv	41 x 41
VF36GG	36″	1/2	115/230	4.8/2.4	60	1	1	9,000	Belt	4-Galv	41 x 41
VF36GG2	36″	1	230	4.6	60	1	2	11,400	Belt	4-Galv	41 x 41
VF36GG3	36″	1	230/460	3.0/1.5	60	3	1	11,400	Belt	4-Galv	41 x 41
VF50GG	50″	1	115/230	9.6/4.8	60	1	1	21,000	Belt	3-Galv	54 ¾ x 54 ¾
VF503GG	50″	1	230/460	3.0/1.5	60	3	1	21,000	Belt	3-Galv	54 ¾ x 54 ¾
VF50GGCA	50″	1	115/230	9.6/4.8	60	1	1	20,900	Belt	3-CA	54 ¾ x 54 ¾
VF503GGCA	50″	1	230/460	3.0/1.5	60	3	1	20,900	Belt	3-CA	54 ¾ x 54 ¾

Additional Information

How do I size my fan and shutters system?

The first thing that you need to determine is the amount of air required. This is stated in CFM (Cubic Feet of Air per Minute).
Use the following formula to determine the CFM required for your greenhouse:
CFM = Length x Width x 12
Example: Greenhouse 12′ wide and 24′ long requires 3456 CFM (12 x 24 x 12)
Reference the above table. Select the appropriate combination of fan(s) to achieve the necessary CFM rating. Be sure to match the total CFM output for your exhaust fan(s) to the CFM ratings for your Inlet Shutters.

Item	VF36DM3CF 36 in. diameter, direct drive, 230/460v, VF36DM 36 in. diameter, direct drive, 115/230v, VF36GG 36 in. diameter, belt drive, 115/230v, VF36GG2 36 in. diameter, 2 speed, 230v 1 phase, VF36GG3 36 in. diameter, 230/460v 3 phase, VF50GG 50 in. diameter, 115/230v 1 phase, VF50GGCA 50 in. diameter, 115/230v 1 phase, VF503GG 50 in. diameter, 230/460v 3 phase, VF503GGCA 50 in. diameter, 230/460v 3 phase

Item

VF36DM3CF 36 in. diameter, direct drive, 230/460v, VF36DM 36 in. diameter, direct drive, 115/230v, VF36GG 36 in. diameter, belt drive, 115/230v, VF36GG2 36 in. diameter, 2 speed, 230v 1 phase, VF36GG3 36 in. diameter, 230/460v 3 phase, VF50GG 50 in. diameter, 115/230v 1 phase, VF50GGCA 50 in. diameter, 115/230v 1 phase, VF503GG 50 in. diameter, 230/460v 3 phase, VF503GGCA 50 in. diameter, 230/460v 3 phase