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Pipe pressure class

Pipe pressure class

Pipe pressure class

(OP)
I have a PCCP pipeline profile drawing showing pipeline pressure class as 100-6, 150-10, etc. I understand the first number is a pressure class. As in 100-6 means 100 psi pipe. But what does the second number mean - 6?

RE: Pipe pressure class

No idea about it.
Can you share the highlights of the drawing for it?

RE: Pipe pressure class

Might be amount of reinforcement.

Remember - More details = better answers
Also: If you get a response it's polite to respond to it.

RE: Pipe pressure class

Check if it relates to diameter, wall thickness etc.

GDD
Canada

RE: Pipe pressure class

This might be a project specific numbering system.

I didn't think concrete pipe went up that high in pressure.

Remember - More details = better answers
Also: If you get a response it's polite to respond to it.

RE: Pipe pressure class

Could be the indication of PN value, e.g. PN6, PN10?

RE: Pipe pressure class

(OP)
I figured out that this was depth of cover. Thanks for all the input. Appreciate your responses.

PS: That was project specific numbering system.

RE: Pipe pressure class

Very strange.

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