 |
|||
|
|
|||
|
Page Title:
Table 5-5. Class I Division 1 and Class I Division 2 summary of selected hazardous atmospheres |
|
||
| ||||||||||
|
|  DOE-HDBK-1092-2004
Table 5-5. Class I Division 1 and Class I Division 2 summary of selected hazardous atmospheres
Ignition2
Flammable limits3
NEMA enclosure4
1
3
Ignition
Flashpoint
Group3
energy
(% by volume)
Atmosphere
F
classification
Temp.C
F
C
(millijoules)
Lower
Upper
Indoor
Outdoor
A
Acetylene
581
305
0.017
2.5
100.0
Gas
Gas
7
8
B
1,3-butadiene
788
420
-
2.0
12.0
Gas
Gas
7
8
B
Ethylene oxide
804
429
-
3.0
100.0
-20
-28
7
8
B
968
520
0.017
4.0
75.0
Gas
Gas
7
8
Manufactured gas containing more
-
-
-
-
-
-
-
-
-
B
than 30% hydrogen by volume
B
Propylene oxide
840
449
-
2.6
36.0
-35
-37
7
8
C
Acetaldehyde
347
175
-
4.0
60.0
-38
-39
7
9
C
Diethyl ether
320
160
-
1.9
36.0
-49
-45
7
8
C
Ethylene
842
450
0.08
2.7
36.0
Gas
Gas
7
8
Unsymmetrical dimethyl hydrazine
480
249
-
2.0
95.0
5
-15
7
8
C
(UDMH)
D
Acetone
869
465
-
2.5
13.0
-4
-20
7
8
D
Acrylonitrile
898
481
-
3.0
17.0
32
0
7
8
D
Ammonia
928
498
-
15.0
28.0
Gas
Gas
7
8
D
Benzene
928
498
-
1.3
7.9
12
-11
7
8
D
Butane
550
288
-
1.6
8.4
Gas
Gas
7
D
1-butanol
650
343
-
1.4
11.2
98
37
7
8
D
2-butanol
761
405
-
1.7@212F
9.0@212F
75
24
7
8
D
n-butyl acetate
790
421
-
1.7
7.6
72
22
7
8
D
Cyclopropane
938
503
0.25
2.4
10.4
Gas
Gas
7
8
D
Ethane
882
472
-
3.0
12.5
Gas
Gas
7
8
D
Ethanol
685
363
-
3.3
19.0
55
13
7
8
D
Ethylacetate
800
427
-
2.0
11.5
24
-4
7
8
D
Ethylene dichloride
775
413
-
6.2
16.0
56
13
7
8
D
Gasoline
536 to 880 280 to 471
-
1.2 to 1.5
7.1 to 7
7
8
7
8
D
Heptane
399
204
-
1.05
6.7
-36 to -50 -38 to -46
7
8
5-19
|
|
Privacy Statement - Press Release - Copyright Information. - Contact Us |
Click
here for thousands of PDF manuals