49 C.F.R. § 178.346-4
Outlets
(a) All outlets on each tank must conform to § 178.345-11 and this section.
(b) External self-closing stop-valves are not authorized as an alternative to internal self-closing stop-valves on loading/unloading outlets.
(a) All outlets on each tank must conform to § 178.345-11 and this section.
(b) External self-closing stop-valves are not authorized as an alternative to internal self-closing stop-valves on loading/unloading outlets.