49 C.F.R. § 179.301

Current through May 31, 2024

Section 179.301 - Individual specification requirements for multi-unit tank car tanks

(a) In addition to §179.300 the individual specification requirements are as follows:

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]

49 C.F.R. §179.301

29 FR 18995, 12/29/1964. Redesignated at 32 FR 5606, 4/5/1967, and amended by Amdt. 179-10, 36 FR 21355, 11/6/1971; Amdt. 179-40, 52 FR 13049, 4/20/1987; 65 FR 58632, 9/29/2000; 66 FR 45390, 8/28/2001