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Power Piping

C. Becht
C. Becht
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ASME Press
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ASME B31.1 requires leak testing of all piping systems other than lines open to the atmosphere, such as vents or drains downstream of the last shut-off valve. For boiler external piping, a hydrostatic test in accordance with PG-99 of ASME BPVC Section I, conducted in the presence of the Authorized Inspector, is required.

15.1 Overview of Pressure Test Requirements
15.2 Hydrostatic Testing
15.3 Pneumatic Testing
15.4 Mass-Spectrometer Testing
15.5 Initial Service Testing
15.6 Re-testing After Repair or Additions
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