1. LawStack
  2. Title 46 - Shipping
  3. Chapter I - COAST GUARD, DEPARTMENT OF HOMELAND SECURITY
  4. Subchapter O - CERTAIN BULK DANGEROUS CARGOES
  5. Part 153 - SHIPS CARRYING BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALS
  6. Subpart B - Design and Equipment
  7. Topic - Cargo Venting Systems
  8. 46 CFR § 153.368
46 CFR § 153.368
Pressure-vacuum valves
April 15, 2021
CFR

(a) The pressure side of a required pressure-vacuum relief valve must begin to open only at a pressure exceeding 3.5 kPa gauge (approx. 0.5 psig).

(b) A pressure-vacuum relief valve must meet the requirements of Subpart 162.017 of this chapter.

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§ 153.365 Liquid overpressurization protection
Next
§ 153.370 Minimum relief valve setting for ambient temperature cargo tanks

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