49 CFR § 179.301
Individual specification requirements for multi-unit tank car tanks
November 18, 2020
(a) In addition to §179.300 the individual specification requirements are as follows:
Open Table
| DOT specification | 106A500-X | 106A800-X | 110A500-W | 110A600-W | 110A800-W | 110A1000-W |
|---|---|---|---|---|---|---|
| Minimum required bursting pressure, psig | (1) | (1) | 1250 | 1500 | 2000 | 2500 |
| Minimum thickness shell, inches | 13⁄32 | 11⁄16 | 11⁄32 | 3⁄8 | 15⁄32 | 19⁄32 |
| Test pressure, psig (see §179.300-16) | 500 | 800 | 500 | 600 | 800 | 1000 |
| Safety relief devices, psig (see §179.300-15) | ||||||
| Start-to-discharge, or burst maximum, p.s.i. | 375 | 600 | 375 | 450 | 600 | 700 |
| Vapor-tight, minimum psig | 300 | 480 | 300 | 360 | 480 | 650 |
1None specified.
(b) [Reserved]
[29 FR 18995, Dec. 29, 1964. Redesignated at 32 FR 5606, Apr. 5, 1967, and amended by Amdt. 179-10, 36 FR 21355, Nov. 6, 1971; Amdt. 179-40, 52 FR 13049, Apr. 20, 1987; 65 FR 58632, Sept. 29, 2000; 66 FR 45390, Aug. 28, 2001]
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