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GENERAL SPECIFICATIONS
1. Hazardous Location
Classification
Class I, Div 1 & 2, Groups C, D
Class II, Div 1 & 2, Groups E, F, G.
Temperature Code: T3B 165°C (329°F)
EAC, Ex d IIB T3 Gb X
2. Ambient Temperature
-20°C (4°F) to 40°C (104°F)
3. Approvals
Motors are CSA approved and/or UL listed.
4. Fan
Aluminum blade. Steel spider and hub with 5/8" (15.875 mm) bore. Optional Heresite
®
coating for corrosive atmospheres.
5. Fan Guard
Split design with close wire spacing, meets OSHA requirements.
6. Motors
CSA approved and/or UL listed permanently lubricated ball bearing type with rigid
base. Explosion-proof or totally enclosed construction. All standard voltages for 60
and 50 hertz are available.
7. Frame Material
16 ga. (0.060" or 1.52 mm) epoxy-coated steel. Optional stainless steel or Heresite
®
coating for corrosive atmospheres.
8. Mounting
Four 3/8" (9.5 mm) diameter holes. Must be mounted to a rigid structure.
Table 3 – Specifications
EFX-12
EFX-16
EFX-20
EFX-24
EFX-30
Fan Diameter
in
12
16
20
24
30
mm
305
406
508
610
762
Motor*
1/2 HP, 60 Hz
1/2 HP, 0.373 kW
Air Flow Rating
@70°F (21°C)
CFM
850
1825
3760
4180
4759
m/³hr
1444
3101
6388
7102
8086
Motor Speed
RPM
1725
1140
Net Weight
lbs
48.0
52.0
56.0
61.0
67.0
kg
21.8
23.6
25.4
27.7
30.4
Shipping Weight
lbs
56.0
62.0
68.0
81.0
87.0
kg
25.4
28.1
30.8
36.7
39.5
D
im
en
si
on
s
Width
in
16.1
20.2
24.2
28.1
34.0
mm
410
513
615
715
863
Height
in
18.2
23.1
27.1
31.0
37.1
mm
462
588
688
788
942
Depth
in
15.4
14.9
16.1
15.5
15.6
mm
392
378
410
394
397
*50 Hz units also available.