Is a hydrostatic test required if head pressure is still up?

[jack eystad]

is a hydrostatic test requierd if head pressure is still up

 

[berkeman]

Welcome to PF.

Could you please add more context to your question? What kind of system? What kind of pressure ranges? Is the fluid water or something else?

The more details you can give us, the better we can help you.

 

[jack eystad]

WOW so cool thank you for being there..........
In the past....using pressurized N2 on a 3000psi operating system, in a steel flask...the 5 year requirement to hydrostatic test the bottle could be ignored if the head pressure remained on the bottle. once the head pressure was let off the hydro is now require before refill..???
where do i go to find these requirements...Jack

 

[berkeman]

Ah, that kind of hydro test.

It depends on what regulations apply to your installation. Are you covered by OSHA in the US? Are you at a company or a university, and do they have a Health and Safety Department?

https://en.wikipedia.org/wiki/Hydrostatic_test

Testing procedures

Hydrostatic tests are conducted under the constraints of either the industry's or the customer's specifications, or may be required by law.

 

[jack eystad]

OSHA USA

 

[Tom.G]

where do i go to find these requirements...Jack

https://www.osha.gov/pressure-vessels

above found with:
http://www.google.com/search?hl=en&?=pressure+vessel+test+site:osha.gov

Cheers,
Tom

 

[russ_watters]

If this is in the US, pressure vessel testing requirements are specified in ASTM and local building codes.