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API 570 (& B31.3) Piping Classification, Intervals, and Categories QUESTIONS WITH 100- CORRECT
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API 570 (& B31.3) Piping Classification, Intervals, and Categories QUESTIONS WITH 100- CORRECT
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10/8/24, 6:04 AMScheduled maintenance: October 9, 2024 from 01:45 AM to 03:45 AM
API 570 (& B31.3) Piping Classification, Intervals, and
Categories
JEREMIAH
Terms in this set (61)
For Class 1, 2, and 3 piping, the period one-half the remaining life.
between thickness measurements for CMLs
or circuits should not exceed
on-half life or Five years for thickness and five years for external VT, < 4 years left -
Interval for Class 1
Full remaining life up to 2 years
on-half life or Ten years for thickness and five years for external VT, < 4 years left -
Interval for Class 2
Full remaining life up to 2 years.
on-half life or Ten years for thickness and Ten years for external VT, < 4 years left -Full
Interval for Class 3
remaining life up to 2 years.
Interval for Class 4 Optional for thickness and Optional for external VT.
Interval for injection Points three years for thickness and By class for external VT.
no regulation on thickness measurements, external VT by class, and 6 months for
Interval for StA
grade side of interface.
Owner/users shall maintain a record of their classifications.
process piping fluids handled, including
The operating temperature of a defining potential consequence of a release.
hydrocarbon stream relative to its flash
point, boiling point and auto-ignition
temperature is a significant factor in
Operating temperature of hydrocarbon assigning piping service class.
piping systems should be considered when
API 570 (& B31.3) Piping Classification, Intervals, and Categories
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