46 CFR 56.20-20: -20 Valve bypasses.
Where this section sits in the code
- Title 46—Shipping
- CHAPTER I—COAST GUARD, DEPARTMENT OF HOMELAND SECURITY
- SUBCHAPTER F—MARINE ENGINEERING
- PART 56—PIPING SYSTEMS AND APPURTENANCES
- Subpart 56.20—Valves
(a) Sizes of bypasses must be in accordance with MSS SP-45 (incorporated by reference; see § 56.01-2).
(b) Pipe for bypasses should be at least Schedule 80 seamless, and of a material of the same nominal chemical composition and physical properties as that used for the main line. Lesser thickness may be approved depending on the installation and service conditions.
Collected 2026-08-27T02:26:22Z. Source file · JSON