Home / Blog / Test Pressure Detail from Codes

Test Pressure Detail from Codes

test-pressure-details-from-code

Code Test type Test pressure minimum Test pressure maximum Test pressure holding time Examination
ASME B31.1 Hydrostatic(1) 1.5 time design Max allowable test pressure any component or 90 percent of yield 10 minutes Design pressure
ASME B31.1 Pneumatic 1.2 times design 1.5 times design or max allowable test pressure any component 10 minutes Lower of 100 psig or design pressure
AMSE B31.1 Initial service Normal operating pressure Normal operating pressure 10 minutes or time to complete leak examination Normal operating pressure
ASME B31.3 Hydrostatic 1,5 times design (2) Not be exceed yield stress Time to complete leak examination but at least 10 minutes 1.5 times design
ASME B31.3 Pneumatic 1.1 times design 1.1 times design plus the lesser of 50 psi or 10 percent of test pressure 10 minutes Design pressure
ASME B31.3 Initial service (3) Design pressure Design pressure Time to complete leak examination Design pressure
ASME I Hydrostatic 1.5 times max allowable working pressure (4) Not to exceed 90 percent yield stress Not specified, typically 1 hr Max allowable working pressure (4)
ASME III Division 1 Subsection NB Hydrostatic 1.25 times system design pressure (5) Not to exceed stress limits of design section NB-3226 or maximum test pressure of any 10minutes Greater of design pressure or 0.75 times test pressure
ASME III Division 1 Subsection NB Pneumatic 1.25 times system design pressure (6) Not to exceed stress limits of design section NB-3226 or maximum test pressure of any 10 minutes Greater of design pressure or 0.75 times test pressure
ASME III Division Subsection NC Hydrostatic 1.5 times system design pressure If minimum test pressure exceeded by 6 percent establish limit by the lower of analysis of all 10 or 15 minutes per inch of design minimum wall thickness for pumps and valves Greater of design pressure of 0.75 times test pressure
ASME III Division 1 Subsection NC Pneumatic 1.25 times system design pressure If minimum test pressure exceeded by 6 percent establish limit by the lower of analysis of all 10 minutes Greater of design pressure or 0.75 times test pressure
ASME III Division 1 Subsection ND Hydrostatic 1.5 times system design pressure for completed If minimum test pressure exceeded by 6 percent establish limit by the lower of analysis of all 10 minutes Greater of design pressure or 0.75 times test pressure
ASME III Division 1 Subsection ND Pneumatic 1.25 times system design pressure if minimum test pressure exceeded by 6 percent establish limit by the lower of analysis of all 10 minutes Greater of design pressure or 0.75 times test pressure

About Oilandgasclub.com

About Oilandgasclub

Oilandgasclub.com is an international oil and gas (online & offline) conference technical training org from India. Oilandgasclub.com 3000+ professionals trained 150,000 hours of classes delivered 500+ expert trainers available and 3600+ respondents 30+ countries 80+ team. Blogs about technical tips at this blog. Contact or more about customized technical training from this page

70+ courses    7 venues    5 categories

OILANDGASCLUB.COM HAS PUBLISHED 150+ ARTICLES IN THIS BLOG Subscribe

Subscribe to Our Newsletter

Author

Comments (0)

avatar
500

wpDiscuz
Free WordPress Themes - Download High-quality Templates