46 C.F.R. § 154.544 Quick-closing shut-off valves.
Title 46 - Shipping
The quick-closing shut-off valve under §§154.530, 154.532 and 154.538 must: (a) Be a shut-off valve; (b) Close from the time of actuation in 30 seconds or less; (c) Be the fail-closed type; and (d) Be capable of local manual closing. [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
§ 154.544 Quick-closing shut-off valves.
