46 CFR 105.20-5 - Piping systems.

§ 105.20-5 Piping systems.
(a) Piping shall be copper, nickel copper, or copper nickel having a minimum wall thickness of 0.035″; except that seamless steel pipe or tubing which provides equivalent safety may be used for diesel cargo systems.
(b) Valves shall be of a suitable nonferrous metallic Union Bonnet type with ground seats except that steel or nodular iron may be used in cargo systems utilizing steel pipe or tubing.
(c) Aluminium or aluminum alloy valves and fittings are prohibited for use in cargo lines.
Beta! The text on the eCFR tab represents the unofficial eCFR text at ecfr.gov.

This section’s status may have changed. It may have been renumbered, reserved, or removed.

This is a list of United States Code sections, Statutes at Large, Public Laws, and Presidential Documents, which provide rulemaking authority for this CFR Part.

This list is taken from the Parallel Table of Authorities and Rules provided by GPO [Government Printing Office].

It is not guaranteed to be accurate or up-to-date, though we do refresh the database weekly. More limitations on accuracy are described at the GPO site.

United States Code
Statutes at Large
Presidential Documents

Executive Order ... 11735