Ball Valve

A valve that employs a rotating ball to open or close the flow passage.

Source: API RP 64, Recommended Practice for Diverter Systems Equipment and Operations, Second Edition, November 2001 (March 1, 2007). Global Standards


Ball Valve

ball-shaped valve with conduit port and 90 degree rotation. Normally full port with minor pressure loss.

Source: IADC UBO / MPD Glossary, December 2011. Global Standards

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