Pressures Flashcards

1
Q

Press Test – Maximum pressure for air test of tank

A

2” water

575: 8.5.2.2

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2
Q

Scope - Max internal pressure for API 650 Annex F tanks

A

2.5 psig

650: F.1.1 &
575: 3.3

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3
Q

Vacuum Box - Normal vacuum required when vacuum testing

A

3 - 5 psig

650: 8.6.3

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4
Q

Pressure Test - Pressure used when air testing the shell-to bottom weld (air between bottom fillet welds)

A

15 psig

650: 7.2.4.2
653: 12.1.6.2

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5
Q

Pressure Test - Pressure used when air testing a repad

A

15 psig

650: 7.3.5

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6
Q

Scope - Maximum internal pressure for tanks in API 620

A

15 psig

575: 4.3.2

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