portable tank instructions specify the requirements applicable to a portable tank when used for the carriage of specific substances. portable tank instructions t1 to t22 specify the applicable minimum test pressure, the minimum shell thickness (in mm reference steel), and the pressure-relief and bottom- opening requirements.
t1 - t22 |
portable tank instructions |
t1 - t22 |
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these portable tank instructions apply to liquid and solid substances of class 1 and classes 3 to 9. the general provisions of section 4.2.1 and the requirements of section 6.7.2 shall be met. |
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portable tank instruction |
minimum test pressure (bar) |
minimum shell thickness (in mm-reference steel) (see 6.7.2.4) |
pressure-relief requirementsa (see 6.7.2.8) |
bottom opening requirementsb (see 6.7.2.6) |
t1 |
1.5 |
see 6.7.2.4.2 |
normal |
see 6.7.2.6.2 |
t2 |
1.5 |
see 6.7.2.4.2 |
normal |
see 6.7.2.6.3 |
t3 |
2.65 |
see 6.7.2.4.2 |
normal |
see 6.7.2.6.2 |
t4 |
2.65 |
see 6.7.2.4.2 |
normal |
see 6.7.2.6.3 |
t5 |
2.65 |
see 6.7.2.4.2 |
see 6.7.2.8.3 |
not allowed |
t6 |
4 |
see 6.7.2.4.2 |
normal |
see 6.7.2.6.2 |
t7 |
4 |
see 6.7.2.4.2 |
normal |
see 6.7.2.6.3 |
t8 |
4 |
see 6.7.2.4.2 |
normal |
not allowed |
t9 |
4 |
6mm |
normal |
not allowed |
t10 |
4 |
6mm |
see 6.7.2.8.3 |
not allowed |
t11 |
6 |
see 6.7.2.4.2 |
normal |
see 6.7.2.6.3 |
t12 |
6 |
see 6.7.2.4.2 |
see 6.7.2.8.3 |
see 6.7.2.6.3 |
t13 |
6 |
6mm |
normal |
not allowed |
t14 |
6 |
6mm |
see 6.7.2.8.3 |
not allowed |
t15 |
10 |
see 6.7.2.4.2 |
normal |
see 6.7.2.6.3 |
t16 |
10 |
see 6.7.2.4.2 |
see 6.7.2.8.3 |
see 6.7.2.6.3 |
t17 |
10 |
6mm |
normal |
see 6.7.2.6.3 |
t18 |
10 |
6mm |
see 6.7.2.8.3 |
see 6.7.2.6.3 |
t19 |
10 |
6mm |
see 6.7.2.8.3 |
not allowed |
t20 |
10 |
8mm |
see 6.7.2.8.3 |
not allowed |
t21 |
10 |
10mm |
normal |
not allowed |
t22 |
10 |
10mm |
see 6.7.2.8.3 |
not allowed |
a when the word "normal" is indicated, all the requirements of 6.7.2.8 apply except for 6.7.2.8.3.
b when this column indicates "not allowed", bottom openings are not permitted when the substance to be carried is a liquid (see 6.7.2.6.1). when the substance to be carried is a solid at all temperatures encountered under normal conditions of carriage, bottom openings conforming to the requirements of 6.7.2.6.2 are authorized.
t23 portable tank instruction t23 this portable tank instruction applies to self-reactive substances of class 4.1 and organic peroxides of class 5.2. the general provisions of section 4.2.1 and the requirements of section 6.7.2 shall be met. the additional provisions specific to self-reactive substances of class 4.1 and organic peroxides of class 5.2 in 4.2.1.13 shall also be met. the formulations listed below may also be carried packed in accordance with packing method op8 of packing instruction p520 of 4.1.4.1, with the same control and emergency temperatures, if applicable. |
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un no. |
substance |
minimum test pressure (bar) |
minimum shell thickness (mm- reference steel) |
bottom opening requi- rements |
pressure- relief requi- rements |
degree of filling |
control tempe- rature |
emergency temperature |
3109 |
organic peroxide, type f, liquid |
4 |
see 6.7.2.4.2 |
see 6.7.2.6.3 |
see 6.7.2.8.2 4.2.1.13.6 |
see 4.2.1.13.13 |
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tert-butyl hydro- peroxidea, not more than |
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4.2.1.13.7 4.2.1.13.8 |
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72% with water |
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cumyl hydro-peroxide, |
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not more than 90% in |
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diluent type a |
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di-tert-butyl peroxide, |
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not more than 32% in |
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diluent type a |
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isopropyl cumyl hydro- |
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peroxide, not more |
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than 72% in diluent |
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type a |
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p-menthyl hydro- |
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peroxide, not more than |
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72% in diluent type a |
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pinanyl hydro- |
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peroxide, not more than |
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56% in diluent type a |
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3110 |
organic peroxide type f, solid dicumyl peroxide b |
4 |
see 6.7.2.4.2 |
see 6.7.2.6.3 |
see 6.7.2.8.2 4.2.1.13.6 4.2.1.13.7 4.2.1.13.8 |
see 4.2.1.13.13 |
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3119 |
organic peroxide, type f, liquid, temperature controlled |
4 |
see 6.7.2.4.2 |
see 6.7.2.6.3 |
see 6.7.2.8.2 4.2.1.13.6 4.2.1.13.7 4.2.1.13.8 |
see 4.2.1.13.13 |
c |
c |
tert-amyl peroxyneodecanoate, not more than 47% in diluent type a |
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-10 °c |
-5 °c |
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tert-butyl peroxyacetate, not more than 32% in diluent type b |
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+30 °c |
+35 °c |
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tert-butyl peroxy-2- ethylhexanoate, not more than 32% in diluent type b |
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+15 °c |
+20 °c |
a provided that steps have been taken to achieve the safety equivalence of 65% tert-butyl hydroperoxide and 35% water.
b maximum quantity per portable tank: 2000 kg.
c as approved by the competent authority.
t23 portable tank instruction (cont'd) t23 this portable tank instruction applies to self-reactive substances of class 4.1 and organic peroxides of class 5.2. the general provisions of section 4.2.1 and the requirements of section 6.7.2 shall be met. the additional provisions specific to self-reactive substances of class 4.1 and organic peroxides of class 5.2 in 4.2.1.13 shall also be met. the formulations listed below may also be carried packed in accordance with packing method op8 of packing instruction p520 of 4.1.4.1, with the same control and emergency temperatures, if applicable. |
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un no. |
substance |
minimum test pressure (bar) |
minimum shell thickness (mm- reference steel) |
bottom opening requi- rements |
pressure- relief requi- rements |
degree of filling |
control tempe- rature |
emergency temperature |
3119 (cont'd) |
tert-butyl peroxypivalate, not more than 27% in diluent type b |
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+5 °c |
+10 °c |
tert-butyl peroxy- 3,5,5-trimethyl- hexanoate, not more than 32% in diluent type b |
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+35 °c |
+40 °c |
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di-(3,5,5-trimethyl- hexanoyl) peroxide, not more than 38% in diluent type a or type b |
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0 °c |
+5 °c |
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peroxyacetic acid, distilled, type f, stabilized d |
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+30 c |
+35 c |
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3120 |
organic peroxide, type f, solid, temperature controlled |
4 |
see 6.7.2.4.2 |
see 6.7.2.6.3 |
see 6.7.2.8.2 4.2.1.13.6 4.2.1.13.7 4.2.1.13.8 |
see 4.2.1.13.13 |
c |
c |
3229 |
self-reactive liquid type f |
4 |
see 6.7.2.4.2 |
see 6.7.2.6.3 |
see 6.7.2.8.2 4.2.1.13.6 4.2.1.13.7 4.2.1.13.8 |
see 4.2.1.13.13 |
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3230 |
self-reactive solid type f |
4 |
see 6.7.2.4.2 |
see 6.7.2.6.3 |
see 6.7.2.8.2 4.2.1.13.6 4.2.1.13.7 4.2.1.13.8 |
see 4.2.1.13.13 |
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3239 |
self-reactive liquid type f, temperature controlled |
4 |
see 6.7.2.4.2 |
see 6.7.2.6.3 |
see 6.7.2.8.2 4.2.1.13.6 4.2.1.13.7 4.2.1.13.8 |
see 4.2.1.13.13 |
c |
c |
3240 |
self-reactive solid type f, temperature controlled |
4 |
see 6.7.2.4.2 |
see 6.7.2.6.3 |
see 6.7.2.8.2 4.2.1.13.6 4.2.1.13.7 4.2.1.13.8 |
see 4.2.1.13.13 |
c |
c |
c as approved by the competent authority.
d formulation derived from distillation of peroxyacetic acid originating from peroxyacetic acid in concentration of not more than 41% with water, total active oxygen (peroxyacetic acid+h2o2) 9.5%, which fulfils the criteria of the manual of tests and criteria, paragraph 20.4.3 (f). "corrosive" subsidiary hazard placard required (model no 8, see 5.2.2.2.2).
t50 portable tank instruction t50
this portable tank instruction applies to non-refrigerated liquefied gases and chemicals under pressure (un nos. 3500, 3501, 3502, 3503, 3504 and 3505). the general provisions of section 4.2.2 and the requirements of section 6.7.3 shall be met. |
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un no. |
non-refrigerated liquefied gases |
max. allowable working pressure (bar): small; bare; sunshield; insulated; respectivelya |
openings below liquid level |
pressure- relief requirementsb (see 6.7.3.7) |
maximum filling ratio |
1005 |
ammonia, anhydrous |
29.0 |
allowed |
see 6.7.3.7.3 |
0.53 |
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25.7 |
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22.0 |
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19.7 |
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1009 |
bromotrifluoromethane |
38.0 |
allowed |
normal |
1.13 |
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(refrigerant gas r 13b1) |
34.0 |
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30.0 |
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27.5 |
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1010 |
butadienes, stabilized |
7.5 |
allowed |
normal |
0.55 |
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7.0 |
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7.0 |
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7.0 |
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1010 |
butadienes and hydrocarbon mixture, stabilized |
see mawp definition in 6.7.3.1 |
allowed |
normal |
see 4.2.2.7 |
1011 |
butane |
7.0 |
allowed |
normal |
0.51 |
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7.0 |
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7.0 |
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7.0 |
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1012 |
butylene |
8.0 |
allowed |
normal |
0.53 |
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7.0 |
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7.0 |
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7.0 |
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1017 |
chlorine |
19.0 |
not allowed |
see 6.7.3.7.3 |
1.25 |
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17.0 |
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15.0 |
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13.5 |
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1018 |
chlorodifluoromethane |
26.0 |
allowed |
normal |
1.03 |
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(refrigerant gas r 22) |
24.0 |
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21.0 |
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19.0 |
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1020 |
chloropentafluoroethane |
23.0 |
allowed |
normal |
1.06 |
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(refrigerant gas r 115) |
20.0 |
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18.0 |
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16.0 |
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1021 |
1-chloro- |
10.3 |
allowed |
normal |
1.20 |
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1,2,2,2-tetrafluoroethane |
9.8 |
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(refrigerant gas r 124) |
7.9 |
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7.0 |
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1027 |
cyclopropane |
18.0 |
allowed |
normal |
0.53 |
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16.0 |
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14.5 |
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13.0 |
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a "small" means tanks having a shell with a diameter of 1.5 m or less; "bare" means tanks having a shell with a diameter of more than 1.5 m without insulation or sun shield (see 6.7.3.2.12); "sunshield" means tanks having a shell with a diameter of more than 1.5 m with sun shield (see 6.7.3.2.12); "insulated" means tanks having a shell with a diameter of more than 1.5 m with insulation (see 6.7.3.2.12); (see definition of "design reference temperature" in 6.7.3.1).
b the word "normal" in the pressure relief requirements column indicates that a frangible disc as specified in 6.7.3.7.3 is not required.
t50 portable tank instruction (cont'd) t50
this portable tank instruction applies to non-refrigerated liquefied gases and chemicals under pressure (un nos. 3500, 3501, 3502, 3503, 3504 and 3505). the general provisions of section 4.2.2 and the requirements of section 6.7.3 shall be met. |
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un no. |
non-refrigerated liquefied gases |
max. allowable working pressure (bar): small; bare; sunshield; insulated; respectivelya |
openings below liquid level |
pressure- relief requirementsb (see 6.7.3.7) |
maximum filling ratio |
1028 |
dichlorodifluoromethane (refrigerant gas r 12) |
16.0 15.0 13.0 11.5 |
allowed |
normal |
1.15 |
1029 |
dichlorofluoromethane (refrigerant gas r 21) |
7.0 7.0 7.0 7.0 |
allowed |
normal |
1.23 |
1030 |
1,1-difluoroethane (refrigerant gas r 152a) |
16.0 14.0 12.4 11.0 |
allowed |
normal |
0.79 |
1032 |
dimethylamine, anhydrous |
7.0 7.0 7.0 7.0 |
allowed |
normal |
0.59 |
1033 |
dimethyl ether |
15.5 13.8 12.0 10.6 |
allowed |
normal |
0.58 |
1036 |
ethylamine |
7.0 7.0 7.0 7.0 |
allowed |
normal |
0.61 |
1037 |
ethyl chloride |
7.0 7.0 7.0 7.0 |
allowed |
normal |
0.80 |
1040 |
ethylene oxide with nitrogen up to a total pressure of 1mpa (10 bar) at 50 °c |
- - - 10.0 |
not allowed |
see 6.7.3.7.3 |
0.78 |
1041 |
ethylene oxide and carbon dioxide mixture with more than 9% but not more than 87% ethylene oxide |
see mawp definition in 6.7.3.1 |
allowed |
normal |
see 4.2.2.7 |
1055 |
isobutylene |
8.1 7.0 7.0 7.0 |
allowed |
normal |
0.52 |
a "small" means tanks having a shell with a diameter of 1.5 m or less; "bare" means tanks having a shell with a diameter of more than 1.5 m without insulation or sun shield (see 6.7.3.2.12); "sunshield" means tanks having a shell with a diameter of more than 1.5 m with sun shield (see 6.7.3.2.12); "insulated" means tanks having a shell with a diameter of more than 1.5 m with insulation (see 6.7.3.2.12); (see definition of "design reference temperature" in 6.7.3.1).
b the word "normal" in the pressure relief requirements column indicates that a frangible disc as specified in 6.7.3.7.3 is not required.
t50 portable tank instruction (cont'd) t50
this portable tank instruction applies to non-refrigerated liquefied gases and chemicals under pressure (un nos. 3500, 3501, 3502, 3503, 3504 and 3505). the general provisions of section 4.2.2 and the requirements of section 6.7.3 shall be met. |
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un no. |
non-refrigerated liquefied gases |
max. allowable working pressure (bar): small; bare; sunshield; insulated respectivelya |
openings below liquid level |
pressure- relief requirementsb (see 6.7.3.7) |
maximum filling ratio |
1060 |
methylacetylene and propadiene mixture, stabilized |
28.0 24.5 22.0 20.0 |
allowed |
normal |
0.43 |
1061 |
methylamine, anhydrous |
10.8 9.6 7.8 7.0 |
allowed |
normal |
0.58 |
1062 |
methyl bromide with not more than 2% chloropicrin |
7.0 7.0 7.0 7.0 |
not allowed |
see 6.7.3.7.3 |
1.51 |
1063 |
methyl chloride (refrigerant gas r 40) |
14.5 12.7 11.3 10.0 |
allowed |
normal |
0.81 |
1064 |
methyl mercaptan |
7.0 7.0 7.0 7.0 |
not allowed |
see 6.7.3.7.3 |
0.78 |
1067 |
dinitrogen tetroxide |
7.0 7.0 7.0 7.0 |
not allowed |
see 6.7.3.7.3 |
1.30 |
1075 |
petroleum gases, liquefied |
see mawp definition in 6.7.3.1 |
allowed |
normal |
see 4.2.2.7 |
1077 |
propylene |
28.0 24.5 22.0 20.0 |
allowed |
normal |
0.43 |
1078 |
refrigerant gas, n.o.s. |
see mawp definition in 6.7.3.1 |
allowed |
normal |
see 4.2.2.7 |
1079 |
sulphur dioxide |
11.6 10.3 8.5 7.6 |
not allowed |
see 6.7.3.7.3 |
1.23 |
1082 |
trifluorochloroethylene, stabilized (refrigerant gas r 1113) |
17.0 15.0 13.1 11.6 |
not allowed |
see 6.7.3.7.3 |
1.13 |
a "small" means tanks having a shell with a diameter of 1.5 m or less; "bare" means tanks having a shell with a diameter of more than 1.5 m without insulation or sun shield (see 6.7.3.2.12); "sunshield" means tanks having a shell with a diameter of more than 1.5 m with sun shield (see 6.7.3.2.12); "insulated" means tanks having a shell with a diameter of more than 1.5 m with insulation (see 6.7.3.2.12); (see definition of "design reference temperature" in 6.7.3.1).
b the word "normal" in the pressure relief requirements column indicates that a frangible disc as specified in 6.7.3.7.3 is not required.
t50 portable tank instruction (cont'd) t50
this portable tank instruction applies to non-refrigerated liquefied gases and chemicals under pressure (un nos. 3500, 3501, 3502, 3503, 3504 and 3505). the general provisions of section 4.2.2 and the requirements of section 6.7.3 shall be met. |
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un no. |
non-refrigerated liquefied gases |
max. allowable working pressure (bar): small; bare; sunshield; insulated respectivelya |
openings below liquid level |
pressure- relief requirementsb (see 6.7.3.7) |
maximum filling ratio |
1083 |
trimethylamine, anhydrous |
7.0 7.0 7.0 7.0 |
allowed |
normal |
0.56 |
1085 |
vinyl bromide, stabilized |
7.0 7.0 7.0 7.0 |
allowed |
normal |
1.37 |
1086 |
vinyl chloride, stabilized |
10.6 9.3 8.0 7.0 |
allowed |
normal |
0.81 |
1087 |
vinyl methyl ether, stabilized |
7.0 7.0 7.0 7.0 |
allowed |
normal |
0.67 |
1581 |
chloropicrin and methyl bromide mixture with more than 2% chloropicrin |
7.0 7.0 7.0 7.0 |
not allowed |
see 6.7.3.7.3 |
1.51 |
1582 |
chloropicrin and methyl chloride mixture |
19.2 16.9 15.1 13.1 |
not allowed |
see 6.7.3.7.3 |
0.81 |
1858 |
hexafluoropropylene (refrigerant gas r 1216) |
19.2 16.9 15.1 13.1 |
allowed |
normal |
1.11 |
1912 |
methyl chloride and methylene chloride mixture |
15.2 13.0 11.6 10.1 |
allowed |
normal |
0.81 |
1958 |
1,2-dichloro-1,1,2,2- tetrafluoroethane (refrigerant gas r 114) |
7.0 7.0 7.0 7.0 |
allowed |
normal |
1.30 |
1965 |
hydrocarbon gas, mixture liquefied, n.o.s. |
see mawp definition in 6.7.3.1 |
allowed |
normal |
see 4.2.2.7 |
1969 |
isobutane |
8.5 7.5 7.0 7.0 |
allowed |
normal |
0.49 |
a "small" means tanks having a shell with a diameter of 1.5 m or less; "bare" means tanks having a shell with a diameter of more than 1.5 m without insulation or sun shield (see 6.7.3.2.12); "sunshield" means tanks having a shell with a diameter of more than 1.5 m with sun shield (see 6.7.3.2.12); "insulated" means tanks having a shell with a diameter of more than 1.5 m with insulation (see 6.7.3.2.12); (see definition of "design reference temperature" in 6.7.3.1).
b the word "normal" in the pressure relief requirements column indicates that a frangible disc as specified in 6.7.3.7.3 is not required.
t50 portable tank instruction (cont'd) t50
this portable tank instruction applies to non-refrigerated liquefied gases and chemicals under pressure (un nos. 3500, 3501, 3502, 3503, 3504 and 3505). the general provisions of section 4.2.2 and the requirements of section 6.7.3 shall be met. |
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un no. |
non-refrigerated liquefied gases |
max. allowable working pressure (bar): small; bare; sunshield; insulated respectivelya |
openings below liquid level |
pressure- relief requirementsb (see 6.7.3.7) |
maximum filling ratio |
1973 |
chlorodifluoromethane and chloropentafluoroethane mixture with fixed boiling point, with approximately 49% chlorodifluoromethane (refrigerant gas r 502) |
28.3 25.3 22.8 20.3 |
allowed |
normal |
1.05 |
1974 |
chlorodifluorobromomethane (refrigerant gas r 12b1) |
7.4 7.0 7.0 7.0 |
allowed |
normal |
1.61 |
1976 |
octafluorocyclobutane (refrigerant gas rc 318) |
8.8 7.8 7.0 7.0 |
allowed |
normal |
1.34 |
1978 |
propane |
22.5 20.4 18.0 16.5 |
allowed |
normal |
0.42 |
1983 |
1-chloro-2,2,2-trifluoroethane (refrigerant gas r 133a) |
7.0 7.0 7.0 7.0 |
allowed |
normal |
1.18 |
2035 |
1,1,1-trifluoroethane (refrigerant gas r 143a) |
31.0 27.5 24.2 21.8 |
allowed |
normal |
0.76 |
2424 |
octafluoropropane (refrigerant gas r 218) |
23.1 20.8 18.6 16.6 |
allowed |
normal |
1.07 |
2517 |
1-chloro-1,1-difluoroethane (refrigerant gas r 142b) |
8.9 7.8 7.0 7.0 |
allowed |
normal |
0.99 |
2602 |
dichlorodifluoromethane and 1,1-difluoroethane azeotropic mixture with approximately 74% dichlorodifluoromethane (refrigerant gas r 500) |
20.0 18.0 16.0 14.5 |
allowed |
normal |
1.01 |
a "small" means tanks having a shell with a diameter of 1.5 m or less; "bare" means tanks having a shell with a diameter of more than 1.5 m without insulation or sun shield (see 6.7.3.2.12); "sunshield" means tanks having a shell with a diameter of more than 1.5 m with sun shield (see 6.7.3.2.12); "insulated" means tanks having a shell with a diameter of more than 1.5 m with insulation (see 6.7.3.2.12); (see definition of "design reference temperature" in 6.7.3.1).
b the word "normal" in the pressure relief requirements column indicates that a frangible disc as specified in 6.7.3.7.3 is not required.
t50 portable tank instruction (cont'd) t50
this portable tank instruction applies to non-refrigerated liquefied gases and chemicals under pressure (un nos. 3500, 3501, 3502, 3503, 3504 and 3505). the general provisions of section 4.2.2 and the requirements of section 6.7.3 shall be met. |
|||||
un no. |
non-refrigerated liquefied gases |
max. allowable working pressure (bar): small; bare; sunshield; insulated; respectivelya |
openings below liquid level |
pressure- relief requirementsb (see 6.7.3.7) |
maximum filling ratio |
3057 |
trifluoroacetyl chloride |
14.6 12.9 11.3 9.9 |
not allowed |
see 6.7.3.7.3 |
1.17 |
3070 |
ethylene oxide and dichlorodifluoromethane mixture with not more than 12.5% ethylene oxide |
14.0 12.0 11.0 9.0 |
allowed |
see 6.7.3.7.3 |
1.09 |
3153 |
perfluoro (methyl vinyl ether) |
14.3 13.4 11.2 10.2 |
allowed |
normal |
1.14 |
3159 |
1,1,1,2-tetrafluoroethane (refrigerant gas r 134a) |
17.7 15.7 13.8 12.1 |
allowed |
normal |
1.04 |
3161 |
liquefied gas, flammable, n.o.s. |
see mawp definition in 6.7.3.1 |
allowed |
normal |
see 4.2.2.7 |
3163 |
liquefied gas, n.o.s. |
see mawp definition in 6.7.3.1 |
allowed |
normal |
see 4.2.2.7 |
3220 |
pentafluoroethane (refrigerant gas r 125) |
34.4 30.8 27.5 24.5 |
allowed |
normal |
0.87 |
3252 |
difluoromethane (refrigerant gas r 32) |
43.0 39.0 34.4 30.5 |
allowed |
normal |
0.78 |
3296 |
heptafluoropropane (refrigerant gas r 227) |
16.0 14.0 12.5 11.0 |
allowed |
normal |
1.20 |
3297 |
ethylene oxide and chlorotetrafluoroethane mixture, with not more than 8.8% ethylene oxide |
8.1 7.0 7.0 7.0 |
allowed |
normal |
1.16 |
a "small" means tanks having a shell with a diameter of 1.5 m or less; "bare" means tanks having a shell with a diameter of more than 1.5 m without insulation or sun shield (see 6.7.3.2.12); "sunshield" means tanks having a shell with a diameter of more than 1.5 m with sun shield (see 6.7.3.2.12); "insulated" means tanks having a shell with a diameter of more than 1.5 m with insulation (see 6.7.3.2.12); (see definition of "design reference temperature" in 6.7.3.1).
b the word "normal" in the pressure relief requirements column indicates that a frangible disc as specified in 6.7.3.7.3 is not required.
t50 portable tank instruction (cont'd) t50
this portable tank instruction applies to non-refrigerated liquefied gases and chemicals under pressure (un nos. 3500, 3501, 3502, 3503, 3504 and 3505). the general provisions of section 4.2.2 and the requirements of section 6.7.3 shall be met. |
|||||
un no. |
non-refrigerated liquefied gases |
max. allowable working pressure (bar): small; bare; sunshield; insulated; respectivelya |
openings below liquid level |
pressure- relief requirementsb (see 6.7.3.7) |
maximum filling ratio |
3298 |
ethylene oxide and pentafluoroethane mixture, with not more than 7.9% ethylene oxide |
25.9 23.4 20.9 18.6 |
allowed |
normal |
1.02 |
3299 |
ethylene oxide and tetrafluoroethane mixture, with not more than 5.6% ethylene oxide |
16.7 14.7 12.9 11.2 |
allowed |
normal |
1.03 |
3318 |
ammonia solution, relative density less than 0.880 at 15 °c in water, with more than 50% ammonia |
see mawp definition in 6.7.3.1 |
allowed |
see 6.7.3.7.3 |
see 4.2.2.7 |
3337 |
refrigerant gas r 404a |
31.6 28.3 25.3 22.5 |
allowed |
normal |
0.84 |
3338 |
refrigerant gas r 407a |
31.3 28.1 25.1 22.4 |
allowed |
normal |
0.95 |
3339 |
refrigerant gas r 407b |
33.0 29.6 26.5 23.6 |
allowed |
normal |
0.95 |
3340 |
refrigerant gas r 407c |
29.9 26.8 23.9 21.3 |
allowed |
normal |
0.95 |
3500 |
chemical under pressure, n.o.s. |
see mawp definition in 6.7.3.1 |
allowed |
see 6.7.3.7.3 |
tp43c |
3501 |
chemical under pressure, flammable, n.o.s. |
see mawp definition in 6.7.3.1 |
allowed |
see 6.7.3.7.3 |
tp4c |
3502 |
chemical under pressure, toxic, n.o.s. |
see mawp definition in 6.7.3.1 |
allowed |
see 6.7.3.7.3 |
tp4c |
3503 |
chemical under pressure, corrosive, n.o.s. |
see mawp definition in 6.7.3.1 |
allowed |
see 6.7.3.7.3 |
tp4c |
3504 |
chemical under pressure, flammable, toxic, n.o.s. |
see mawp definition in 6.7.3.1 |
allowed |
see 6.7.3.7.3 |
tp4c |
3505 |
chemical under pressure, flammable, corrosive, n.o.s. |
see mawp definition in 6.7.3.1 |
allowed |
see 6.7.3.7.3 |
tp4c |
a "small" means tanks having a shell with a diameter of 1.5 m or less; "bare" means tanks having a shell with a diameter of more than 1.5 m without insulation or sun shield (see 6.7.3.2.12); "sunshield" means tanks having a shell with a diameter of more than 1.5 m with sun shield (see 6.7.3.2.12); "insulated" means tanks having a shell with a diameter of more than 1.5 m with insulation (see 6.7.3.2.12); (see definition of "design reference temperature" in 6.7.3.1).
b the word "normal" in the pressure relief requirements column indicates that a frangible disc as specified in 6.7.3.7.3 is not required.
t75 |
portable tank instruction |
t75 |
this portable tank instruction applies to refrigerated liquefied gases. the general provisions of section 4.2.3 and the requirements of section 6.7.4 shall be met. |