46 C.F.R. § 64.95 Piping.
Title 46 - Shipping
(a) Piping, valves, flanges, and fittings used in the pumping system must be designed in accordance with part 56 of this chapter. (b) A cargo loading and discharge header or manifold must— (1) Have stop valves to prevent cargo leakage; and (2) Be visible to the operator at the cargo pump controls. (c) Each pipe and valve in the pumping system that has an open end must have a plug or cap to prevent leakage. (d) Each hose connection must be threaded or flanged except for a quick connect coupling that may be specifically accepted by the U.S. Coast Guard in accordance with the procedures in §50.25–10 of this chapter. (e) A non-return valve must be in the pump discharge if a backflow condition may occur during pumping. (f) Any non-metallic flexible hose that is used in the piping system must comply with §56.60–25(c) of this chapter. [CGD 73–172, 39 FR 22950, June 25, 1974, as amended by USCG–2004–18884, 69 FR 58346, Sept. 30, 2004]
Title 46: Shipping
PART 64—MARINE PORTABLE TANKS AND CARGO HANDLING SYSTEMS
Subpart F—Cargo Handling System
§ 64.95 Piping.
