QMark Belt Drive Cooling Fans

Qmark Fans and Ventilators

Berko / Qmark / Marley

Belt Drive Cooling Fans

24" to 60" Fans Available in High, Medium or Low Stand Models

Available With Totally Enclosed or Explosion Proof Motors

Heavy Duty Steel Blade on Totally Enclosed Motor Units; Cast Aluminum Blade on Explosion Proof Motor Units

14 Gauge Steel Body

Motor Outside Drum on 24" and 30" Units; Inside on 36" to 60" Units

Enamel Coating Standard, Acid Resistant Coating Optional

Manual Starter Switches Available

360 deg. Swivel on High and Medium Stand Units

Meets Federal OSHA Requirements

Qmark Fans and Ventilators

Complete Specifications - 24 kb .pdf File

Operating Instructions / Parts List - 123 kb .pdf File

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High Stand Models - Belt Drive Cooling Fans

Qmark Fans and Ventilators

FAN SIZE	CATALOG NUMBER*		NO. OF BLADES	HP	RPM	0" SP CFM	DB @10'
FAN SIZE	1 PH.	3 PH.	NO. OF BLADES	HP	RPM	0" SP CFM	DB @10'
24	24HB1/3-1	24HB1/3-3	6	1/3	850	4850	70
	24HB1/2-1	24HB1/2-3	6	1/2	1000	5750	72
	24HB1-1	24HB1-3	6	1	1255	7050	86
	24HB2-1	24HB2-3	6	2	1600	9150	83
30	30HB1/2-1	30HB1/2-3	6	1/2	810	7600	73
	30HB1-1	30HB1-3	6	1	1020	9150	77
	�	30HB3-3	6	3	1475	7600	86
	�	30HB5-3	6	5	1550	10500	87
36	36HB1-1	36HB1-3	6	1	600	15000	75
	36HB3-1	36HB3-3	6	3	1000	16200	82
	36HB5-1	36HB5-3	6	5	1185	13300	86
42	42HB3-1	42HB3-3	6	3	840	19000	84
42	�	42HB7 1/2-3	6	7 1/2	1140	22250	89
48	48HB3-1	48HB3-3	4	3	685	24600	80
48	�	48HB7 1/2-3	4	7 1/2	930	33000	87
60	�	60HB5-3	4	5	535	43000	84
60	�	60HB7 1/2-3	4	7 1/2	600	49000	86

Please Contact Us For Price and Availability

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Medium Stand Models - Belt Drive Cooling Fans

Qmark Fans and Ventilators

FAN SIZE	CATALOG NUMBER*		NO. OF BLADES	HP	RPM	0" SP CFM	DB @10'
FAN SIZE	1 PH.	3 PH.	NO. OF BLADES	HP	RPM	0" SP CFM	DB @10'
24	24MB1/3-1	24MB1/3-3	6	1/3	850	4850	70
	24MB1/2-1	24MB1/2-3	6	1/2	1000	5750	72
	24MB1-1	24MB1-3	6	1	1255	7050	86
	24MB2-1	24MB2-3	6	2	1600	9150	83
30	30MB1/2-1	30MB1/2-3	6	1/2	810	7600	73
	30MB1-1	30MB1-3	6	1	1020	9150	77
	�	30MB3-3	6	3	1475	7600	86
	�	30MB5-3	6	5	1550	10500	87
36	36MB1-1	36MB1-3	6	1	600	15000	75
	36MB3-1	36MB3-3	6	3	1000	16200	82
	36MB5-1	36MB5-3	6	5	1185	13300	86
42	42MB3-1	42MB3-3	6	3	840	19000	84
42	�	42MB7 1/2-3	6	7 1/2	1140	22250	89
48	48MB3-1	48MB3-3	4	3	685	24600	80
48	�	48MB7 1/2-3	4	7 1/2	930	33000	87
60	�	60MB5-3	4	5	535	43000	84
60	�	60MB7 1/2-3	4	7 1/2	600	49000	86

Please Contact Us For Price and Availability

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Low Stand Models - Belt Drive Cooling Fans

Qmark Cooling Fan

FAN SIZE	CATALOG NUMBER*		NO. OF BLADES	HP	RPM	0" SP CFM	DB @10'
FAN SIZE	1 PH.	3 PH.	NO. OF BLADES	HP	RPM	0" SP CFM	DB @10'
24	24LB1/3-1	24LB1/3-3	6	1/3	850	4850	70
	24LB1/2-1	24LB1/2-3	6	1/2	1000	5750	72
	24LB1-1	24LB1-3	6	1	1255	7050	86
	24LB2-1	24LB2-3	6	2	1600	9150	83
30	30LB1/2-1	30LB1/2-3	6	1/2	810	7600	73
	30LB1-1	30LB1-3	6	1	1020	9150	77
	�	30LB3-3	6	3	1475	7600	86
	�	30LB5-3	6	5	1550	10500	87
36	36LB1-1	36LB1-3	6	1	600	15000	75
	36LB3-1	36LB3-3	6	3	1000	16200	82
	36LB5-1	36LB5-3	6	5	1185	13300	86
42	42LB3-1	42LB3-3	6	3	840	19000	84
42	�	42LB7 1/2-3	6	7 1/2	1140	22250	89
48	48LB3-1	48LB3-3	4	3	685	24600	80
48	�	48LB7 1/2-3	4	7 1/2	930	33000	87
60	�	60LB5-3	4	5	535	43000	84
60	�	60LB7 1/2-3	4	7 1/2	600	49000	86

* When Ordering Explosion Proof Models, Add EXP Suffix to Model Number

Please Contact Us For Price and Availability

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Switches

CATALOG NUMBER
1 PH.	3 PH.	HP
SW1/4-1	SW1/4-3	1/4
SW1/2-1	SW1/2-3	1/2
SW1-1	SW1-3	1
SW1 1/2-1	SW1 1/2-3	1 1/2
�	SW2-3	2
�	SW3-3	3
�	SW5-3	5
�	SW7 1/2-3	7 1/2

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