46 C.F.R. § 154.530 Valves: Cargo tank MARVS 69 kPa gauge (10 psig) or lower.
Title 46 - Shipping
(a) Except those connections for tank safety relief valves and for liquid level gauging devices other than those under §§154.536 and 154.1310, liquid and vapor connections on a cargo tank with a MARVS of 69 kPa gauge (10 psig) or lower must have shut-off valves that— (1) Are located as close to the tank as practical; (2) Are capable of local manual operation; and (3) May be remotely controlled. (b) The cargo piping system for a cargo tank with a MARVS of 69 kPa gauge (10 psig) or lower must have at least one remotely controlled quick-closing shut-off valve for closing liquid and vapor piping between vessel and shore that meets §§154.540 and 154.544. [CGD 74–289, 44 FR 26009, May 3, 1979, as amended by CGD 77–069, 52 FR 31630, Aug. 21, 1987]
Title 46: Shipping
PART 154—SAFETY STANDARDS FOR SELF-PROPELLED VESSELS CARRYING BULK LIQUEFIED GASES
Subpart C—Design, Construction and Equipment
Cargo and Process Piping Systems
§ 154.530 Valves: Cargo tank MARVS 69 kPa gauge (10 psig) or lower.
