5
HLA Series Hazardous Location Fan Forced Unit Heater
Rating Definitions
CLASS I:
Equipment does not have surface operating temperature in excess of the ignition temperature of the specific gas or vapor.
Application Examples:
Offshore and land based drilling rigs, petroleum exploration and testing facilities.
• Petroleum refineries, gasoline storage and dispensing areas.
• Industrial firms that use flammable liquids in dip tanks for parts cleaning or other operations.
Petrochemical companies that manufacture chemicals from gas or oil.
• Dry cleaning facilities where vapors from cleaning fluids may be present.
Aircraft hangers and fuel servicing areas.
• Utility gas plants and operations involving storage and handling of liquefied petroleum or natural gas.
GROUP C:
Atmospheres such as but not limited to acetaldehyde, allyl alcohol, hydrogen sulfide, ethylene, carbon monoxide, or
other gases or vapors of equivalent hazard.
GROUP D:
Atmospheres such as but not limited to acetone, alcohol, gasoline, lacquer solvent vapors, natural gas, propane or
other gases or vapors of equivalent hazard.
CLASS II:
Equipment does not have surface temperature greater than the ignition temperature of the specified dust.
Application Examples:
Coal preparation plants and other carbon handling or processing areas.
• Grain elevators, flour and feed mills.
Plants which manufacture, use or store Magnesium or Aluminum powders.
Plants that have chemical or metallurgical processes.
Producers of starch products or candy.
Spice grinding plants, sugar plants and cocoa plants.
GROUP E:
Atmosphere containing combustible metal dust regardless of resistivity, or other combustible dust of similar hazard
characteristics having resistivity of less than 10 5 OHM - Centimeter.
GROUP F:
Atmosphere containing carbon black, charcoal, coal or coke dust.
GROUP G:
Atmospheres containing combustible dust having resistivity of 10 5 OHM-Centimeter or greater.
DIVISION I:
A location in which ignitable concentrations of flammable material exist under normal operating conditions.
DIVISION II:
Locations in which flammable materials will normally be confined within closed containers and escape only in the
case of accidental rupture, breakdown or during maintenance operations. Any equipment approved for Division I is automatically
also approved for Division II.
Standard Hazardous Location Models
Note: Products listed in this section are custom built and subject to 100% cancellation/restock charges.
UPC#
686334
MODEL
KW BTU’s VOLTS PH AMPS Control
Voltage
Temp
Rise °F
Air
Throw CFM Recom’d
Mounting Ht.
WT.
LIST
734356 HLA 12-208160-3.0-24
3 10250
208
1
16.3
24
16.5
24’
580
8’
167 lb. 8999
734004 HLA 12-208360-3.0-24
208
3
9.8
734011 HLA 12-240160-3.0-24
240
1
14.8
734028 HLA 12-240360-3.0-24
240
3
8.6
734035 HLA 12-480360-3.0-24
480
3
4.3
734363 HLA 12-208160-5.0-24
5 17100
208
1
26
27.6
8’
167 lb. 9378
734059 HLA 12-208360-5.0-24
208
3
15.4
734066 HLA 12-240160-5.0-24
240
1
23.1
734073 HLA 12-240360-5.0-24
240
3
13.4
734080 HLA 12-480360-5.0-24
480
3
6.7
734370 HLA 12-208160-7.5-24
7.5 25600
208
1
38
41.4
8’
167 lb. 9749
734103 HLA 12-208360-7.5-24
208
3
22.3
734110 HLA 12-240160-7.5-24
240
1
33.6
734127 HLA 12-240360-7.5-24
240
3
19.4
734134 HLA 12-480360-7.5-24
480
3
9.7
734158 HLA 16-208360-10.0-24
10 34150
208
3
29.3
21.7 40’
1500
10’
193 lb. 10313
734165 HLA 16-240160-10.0-24
240
1
44
734172 HLA 16-240360-10.0-24
240
3
25.5
734189 HLA 16-480360-10.0-24
480
3
12.7
734202 HLA 20-208360-15.0-24
15 51200
208
3
43.5
19.2
43’
2450
13’
193 lb. 10760
734219 HLA 20-240360-15.0-24
240
3
38.1
734226 HLA 20-480360-15.0-24
480
3
19
734233 HLA 20-600360-15.0-24
600
3
15.2
734240 HLA 20-480360-20.0-24
20 68300
480
3
25.1
26.2
225 lb.
11176
734257 HLA 20-600360-20.0-24
600
3
20
734264 HLA 20-480360-25.0-24
25 85400
480
3
31.1
32.8
12168
734271 HLA 20-600360-25.0-24
600
3
24.9
