USCG Exam PracticePumps, valves, and piping systems
According to 46 CFR Part 56, which of the following items is NOT required to be specifically approved by the Commandant prior to installation aboard a vessel?
- A. Safety relief valves covered under part 162 of subchapter Q
- ✓ Pipe flanges and fittings that comply with applicable material and construction requirementsCorrect
- C. Piping diagrams for steam and exhaust systems
- D. Welded joint details for pressure-containing appurtenances
Why B is correct
46 CFR §56.01-10(b) states that piping materials and appliances such as pipe, tubing, fittings, flanges, and valves — except safety relief valves covered in part 162 — are not required to be specifically approved by the Commandant, provided they comply with applicable requirements for materials, construction, markings, and testing.
Cited:46 CFR §56.01-10(b)