Definition(s)


MTTF

Mean time to failure.

Source: API STD 689, Collection and Exchange of Reliability and Maintenance Data for Equipment, First Edition, July 2007. Global Standards

Source: ISO 20815:2008, Petroleum, petrochemical and natural gas industries – Production assurance and reliability management. Global Standards

 

MTTF

Expectation of the time to failure [2]. NOTE The MTTF of an item can be longer or shorter than the design life of the system.

Source: ISO 20815:2008, Petroleum, petrochemical and natural gas industries – Production assurance and reliability management. Global Standards

 

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