§ 179.103-4Safety relief devices and pressure regulators.
(a) Safety relief devices and pressure regulators must be located on top of the tank near the center of the car on a nozzle, mounting plate or recess in the shell. Through or stud bolts, if used, must not enter the tank.
(b) Metal guard of approved design must be provided to protect safety relief devices and pressure regulators from damage.
[Amdt. 179-10, 36 FR 21348, Nov. 6, 1971]
Title 49 published on 2013-10-01
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