Pressure testing in a state in which the initial pressure-decline rate has decreased to within the remanufacturer’s specified rate.

  • NOTE: Pressure decline can be caused by such things as changes in temperature, setting of elastomer seals, or compression of air trapped in the equipment being tested.

Source: API STANDARD 16AR, Standard for Repair and Remanufacture of Drill-through Equipment, First Edition, April 2017. Global Standards

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