Exhaust Fans

'Maxair' Exhaust Fans are perfect fans conditioning for any ventilation and pollution problem. 'Maxair' Exhaust fans are robust with low sound level and incorporate the best in fan engineering and design.The fan motor is totally enclosed with the rotor on ball bearing. 'Maxair' Exhaust fans conform to IS 2312 of 1967.Maxair' Fan offers widest ranges of Exhaust Fans in single & three phase with special treatment for corrosive, acidic or alkaline atmospheres.

AIR DELIVERY

Single Phase /Three Phase

Speed
R.P.M.

Volts

Power
Consumption (Watts)

C.F.M.

M3 per Hour

9
12
12
12
15
15
18
18
24
24
30
36
36

(229)
(305)
(305)
(305)
(381)
(381)
(457)
(457)
(610)
(610)
(762)
(914)
(914)

1350
1350
900
1400
900
1400
900
1400
700
900
700
550
700

220
220
220/440
220/440
220/440
220/440
220/440
220/440
220/440
220/440
440
440
440

40
45
55
82
85
160
132
370
240
500
700
700
1200

440
660
700
1120
1450
2350
2550
4000
4650
6150
9000
12900
16500

750
1100
1200
1900
2460
4000
4340
6800
7900
10450
15300
22100
28000

Performance as per IS : 2312

Fan selection Guide

Situation	Recommended Air Change per hr.	Size (mm) L X B X H	Air Charges per/hr.	Air Movement m3hr.	Maxair Exhaust Fan required
Industrial						mm-rpm
1. Workshops 2. Laboratories	12-20 8-12	15 x 20 x 8 10 x 8 x 4	20 12	20 x 2400 12 x 320	4 Nos. 2 Nos.	450-900 300-1400
Commercial						mm-rpm
1. Assembly Halls 2. Banks 3.Canteens/Restaurants 4. Cinemas/Theaters 5. Hospitals (General Ward) 6. Offices 7. Photographic Dark Rooms 8. Kitchens & Toilets	8-12 4-8 12-20 20-30 8-12 8-12 20-30 20-30	15x 20 x 4 20 x 10 x 8 20 x 10 x 8 30 x 20 x 10 20 x 15 x 8 10 x 10 x 4 4 x 3 x 4 3.5 x 4 x 4	12 8 15 20 10 10 25 30	12 x 1200 8 x 1600 15 x 1600 20 x 6000 10 x 2400 10 x 400 25 x 48 56 x 30	3 Nos. 3 Nos. 6 Nos. 27 Nos. 6 Nos. 2 Nos. 1 Nos. 1 Nos.	450-900 450-900 380-1400 450-900 450-900 300-1400 300-1400 300-1400

Formula for fan Selection : No. of fans = Volume x No. of Air charges /hr. Air flow of fan