Pressure Relieving Devices (Article 4)

  1. Law
  2. CFR 46
  3. Shipping
  4. Coast Guard, Department of Homeland Security
  5. Marine Engineering
  6. Heating Boilers
  7. Pressure Relieving Devices (Article 4)

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Section
53.05-1

Safety valve requirements for steam boilers (modifies HG-400 and HG-401).

Section
53.05-2

Relief valve requirements for hot water boilers (modifies HG-400.2).

Section
53.05-3

Materials (modifies HG-401.2).

Section
53.05-5

Discharge capacities and valve markings.