McMaster-Carr

Measured in decibels (dB), volume ratings indicate how much noise equipment makes. Some common volume levels include a whisper @ 20 dB, a refrigerator @ 40 dB, a conversation @ 60 dB, and a light machine shop @ 90 dB. OSHA recommends hearing protection for exposure to 80 dB and greater.

Dust-Resistant Direct-Drive Wall-Mount Exhaust Fans

Better suited for dirty, dusty, and damp environments than standard direct-drive fans, these have a totally enclosed motor enclosure. Direct-drive fans have fewer moving parts than belt-drive fans for less maintenance. Use these fans to draw stagnant and humid air out of a room or area.

Collars and louvers are sold separately. Use a collar to connect a wall-mount exhaust fan to a louver.

For technical drawings and 3-D models, click on a part number.

							Overall
	Blade Dia.	Airflow, cfm	Volume	Motor Speed, rpm	No. of Speeds	Power, hp	Ht.	Wd.	Dp.	Frame Material	Blade Material	Specifications Met		Each
120V AC, Single Phase—Hardwire
3	20"	2,925	Not Rated	1,140	2	1/4	23 1/8"	23 1/8"	10"	Steel	Aluminum	UL Recognized	0000000	0000000

High-Output Blowers

With Rectangular Outlet

Powerful and durable, these blowers are able to blow air through larger systems that have more airflow resistance than standard blowers can handle. They install in ductwork similar to duct fans, but are for use where high static pressures are present. Use them for equipment cooling, material conveying, drying, ventilating, and exhausting. Blowers with an open dripproof motor enclosure are for relatively clean, dry, indoor locations. Blowers with a totally enclosed motor enclosure can be used in dirty, dusty, and damp environments.

Note: Airflow depends on the resistance created by ductwork. This resistance, known as static pressure (SP), is measured in inches of water.

For technical drawings and 3-D models, click on a part number.

High-Output Blowers
				Outlet				Overall								Replacement Wheels
Airflow @ Static Pressure	Volume	Motor Speed, rpm	Power, hp	Ht.	Wd.	Inlet Dia.	Wheel Dia.	Ht.	Wd.	Dp.	Temp. Range, °F	Mount. Fasteners Included	Mount. Hole Dia.		Each		Each
With Rectangular Outlet and Round Inlet—Totally Enclosed Motor Enclosure
230/460V AC, Three Phase—Hardwire
1,600 cfm @ 5 in. of H₂O 1,800 cfm @ 3 in. of H₂O	85 dB @ 15 ft.	3,450	7 1/2	7 1/8"	5 3/4"	8"	13 1/2"	23 1/8"	22"	22 3/8"	-15° to 180°	No	3/8"	0000000	000000000	0000000	0000000
With Rectangular Outlet and Round Inlet—Open Dripproof Motor Enclosure
230/460V AC, Three Phase—Hardwire
1,600 cfm @ 5 in. of H₂O 1,800 cfm @ 3 in. of H₂O	85 dB @ 15 ft.	3,450	7 1/2	7 1/8"	5 3/4"	8"	13 1/2"	23 1/8"	22"	22 3/8"	-15° to 180°	No	3/8"	0000000	00000000	0000000	000000

Corrosion-Resistant Blowers

A 304 stainless steel housing offers good corrosion resistance. These blowers install in ductwork similar to duct fans, but are for use where high static pressures are present. Use them for equipment cooling, material conveying, drying, ventilating, and exhausting. All blowers have a totally enclosed motor enclosure, which can be used in dirty, dusty, and damp environments.

Note: Airflow depends on the resistance created by ductwork. This resistance, known as static pressure (SP), is measured in inches of water.

For technical drawings and 3-D models, click on a part number.

				Outlet				Overall
Airflow @ Static Pressure	Volume	Motor Speed, rpm	Power, hp	Ht.	Wd.	Inlet Dia.	Wheel Dia.	Ht.	Wd.	Dp.	Temp. Range, °F	Mount. Fasteners Included	Mount. Hole Dia.		Each
With Rectangular Outlet and Round Inlet—Totally Enclosed Motor Enclosure
230/460V AC, Three Phase—Hardwire
1,600 cfm @ 5 in. of H₂O 1,800 cfm @ 3 in. of H₂O	85 dB @ 15 ft.	3,450	7 1/2	7 1/8"	5 3/4"	8"	13 1/2"	23 1/8"	22"	22 3/8"	-15° to 180°	No	3/8"	0000000	000000000

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