1. LawStack
  2. Title 46 - Shipping
  3. Chapter I - COAST GUARD, DEPARTMENT OF HOMELAND SECURITY
  4. Subchapter F - MARINE ENGINEERING
  5. Part 64 - MARINE PORTABLE TANKS AND CARGO HANDLING SYSTEMS
  6. Subpart B - Standards for an MPT
  7. 46 CFR § 64.19
46 CFR § 64.19
External pressure
April 15, 2021
CFR

(a) A tank without a vacuum breaker must be designed to withstand an external pressure of 71⁄2 psig or more.

(b) A tank with a vacuum breaker must be designed to withstand an external pressure of 3 psig or more.

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§ 64.17 Minimum tank thickness
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§ 64.21 Material

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