DBB stands for various terms. Discover the full forms, meanings, and possible interpretations of DBB across different fields and industries.
Two successive plugs, each capable of holding maximum pressure, with a vent between them capable of bleeding off all pressure between the plugs. Also a valve with two seating surfaces which, in the closed position, blocks flow from both valve ends when the cavity between the seating surfaces is vented through a bleed connection on the body cavity.
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