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Federal regulations · Through 2026-08-25 · Newer source version available

46 CFR 153.407: Special requirements for sounding tube gauges.

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Where this section sits in the code
  1. Title 46—Shipping
  2. CHAPTER I—COAST GUARD, DEPARTMENT OF HOMELAND SECURITY
  3. SUBCHAPTER O—CERTAIN BULK DANGEROUS CARGOES
  4. PART 153—SHIPS CARRYING BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALS
  5. Subpart B—Design and Equipment

(a) A sounding tube installed as a restricted gauge must extend to within one meter (approx. 39.4 in.) of the bottom of the tank.

(b) A sounding tube must not be installed on a tank whose relief valve setting exceeds 28 kPa (approx. 4 psig) unless it is specifically permitted by the Commandant (CG-ENG).

(c) A sounding tube must have no perforations in the tube wall.

Collected 2026-08-27T02:26:22Z. Source file · JSON

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