TEST VENT FOR SMALL BORE PIPING

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11 years 5 months ago - 11 years 5 months ago #8242 by mcfly123
TEST VENT FOR SMALL BORE PIPING was created by mcfly123
Do we need test vents for 2" and below piping?

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11 years 5 months ago - 11 years 5 months ago #6669 by Flowr8
Replied by Flowr8 on topic Re: TEST VENT FOR SMALL BORE PIPING
I'm not sure what you mean by a test vent. If you're referring to hydro-test vents and drains, then the answer is yes.

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11 years 5 months ago - 11 years 5 months ago #6670 by Jop
Replied by Jop on topic Re: TEST VENT FOR SMALL BORE PIPING
I agree 100% with flowr8.

Do it once and Do it Right

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11 years 3 months ago - 11 years 3 months ago #6725 by Er.piping
Replied by Er.piping on topic Re: TEST VENT FOR SMALL BORE PIPING
I would like to add one thing, If the lines are carrying service fluids (ie.fluids used for pressure test) then high point vents are not provided.

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11 years 3 months ago - 11 years 3 months ago #6728 by Jop
Replied by Jop on topic Re: TEST VENT FOR SMALL BORE PIPING
Er-piping,
I think you might be referring to piping services ASME B31.3 calls Category "D" Service. However there is a condition on this. The Client must agree.
With Client Approval these would include:
- Plant Air
- Instrument Air
- Plant Water
- Domestic Drinking Water
- Nitrogen

For these, you perform a "Commodity Test". You just fill the system with the intended service and inspect for leaks

Do it once and Do it Right

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11 years 3 months ago - 11 years 3 months ago #6726 by Er.piping
Replied by Er.piping on topic Re: TEST VENT FOR SMALL BORE PIPING
Yes Jop i was referring to Category D fluids, thanks for elaboration.

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