46 CFR 56.50-97
§ 56.50-97 Piping for instruments, control, and sampling (modifies 122.3).
United States · 46 CFR — Shipping · Status: effective
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- Citation
- 46 CFR 56.50-97, § 56.50-97 Piping for instruments, control, and sampling (modifies 122.3), United States, version 1 as recorded 2026-07-09, yourstate.us, https://yourstate.us/provision/225116
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Full text
(a) Piping for instruments, control, and sampling must comply with paragraph 122.3 of ASME B31.1 (incorporated by reference; see § 56.01-2) except that:
(1) Soldered type fittings may not be used.
(2) The outside diameter of takeoff connections may not be less than 0.840 inches for service conditions up to 900 psig or 800 °F, and 1.050 inches for conditions that exceed either of these limits.
(b) [Reserved]
Legislative history
This is a federal regulation, adopted through agency rulemaking under the Administrative Procedure Act — not enacted by a recorded vote of Congress.