(386)957-3809
1730 Fern Palm Drive Unit D
Edgewater, Florida 32132
Edgewater, Florida 32132
When to Have Your Cylinder Tested
Each specification cylinder that becomes due for periodic requalification, as specified in the following table, must be requalified and marked in conformance with the requirements of this subpart. Requalification records must be maintained in accordance with §180.215. Table 1 follows:
TABLE 1—REQUALIFICATION OF CYLINDERS
| Specification under which cylinder was made | Minimum test pressure (psig) |
Requalification period (years) |
|---|---|---|
| DOT 3 | 3000 psig | 5 |
| DOT 3A, 3AA | 5/3 times service pressure, except noncorrosive service | 5, 10, or 12 |
| DOT 3AL | 5/3 times service pressure | 5 or 12 |
| DOT 3AX, 3AAX | 5/3 times service pressure | 5 |
| 3B, 3BN | 2 times service pressure | 5 or 10 |
| 3E | Test not required | |
| 3HT | 5/3 times service pressure | 3 |
| 3T | 5/3 times service pressure | 5 |
| 4AA480 | 2 times service pressure | 5 or 10 |
| 4B, 4BA, 4BW, 4B–240ET | 2 times service pressure, except non-corrosive service | 5, 10, or 12 |
| 4D, 4DA, 4DS | 2 times service | 5 |
| DOT 4E | 2 times service pressure, except non-corrosive | 5 |
| 4L | Test not required | |
| 8, 8AL | 10 or 20 | |
| Exemption or special permit cylinder | See current exemption or special permit | See current exemption or special permit |
| Foreign cylinder | As marked on cylinder, but not less than 5/3 of any service or working pressure marking | 5 |