P&IDs Review by Piping Engineers in an EPC project

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12 years 6 months ago - 12 years 6 months ago #6431 by Jop
There are two reasons for a "Spec Break" in piping.
The first reason for a Spec Break is a change in Pressure and therefore flange rating (higher rating down to a lower rating)
The second reason for a Spec Break is a change in Material (example: Stainless Steel to Carbon Steel)

Therefore you DO need a "Spec Break" even though there is no change in the basic flange class rating.

Do it once and Do it Right

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