(a) Liquid level gauging devices. See § 173.315(h) of this subchapter.
(b) Pressure gauges.(1) See § 173.315(h) of this subchapter.
(2) Each cargo tank used in carbon dioxide, refrigerated liquid or nitrous oxide, refrigerated liquid service must be provided with a suitable pressure gauge. A shut-off valve must be installed between the pressure gauge and the cargo tank.
(c) Orifices. See § 173.315(h) (3) and (4) of this subchapter.
[Amdt. 178-29, 38 FR 27599, Oct. 5, 1973, as amended by Amdt. 178-89, 54 FR 25018, June 12, 1989; Amdt. 178-118, 61 FR 51340, Oct. 1, 1996]
Title 49 published on 2012-10-01
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