SC Pressure And Process Piping Practice Questions - South Carolina Pressure And Process Piping Contractor Examination Exam

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On a piping isometric, a flanged gate valve is given a face-to-face dimension of 11-1/2 in. How should that dimension be used in a takeoff?

Ignore it and always use 12 in for every valve Treat 11-1/2 in as the raised-face to raised-face length of the valve and subtract it from the centerline or face-to-face run Add 11-1/2 in to each adjoining elbow takeoff Use it only to size the hanger rod

Correct Answer:

Treat 11-1/2 in as the raised-face to raised-face length of the valve and subtract it from the centerline or face-to-face run

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