Definition(s)
API monogram
A mechanism for the remote or automatic operation of a valve or choke.
Source: API SPEC 16C, Specification for Choke and Kill Systems, First Edition, January 1993 (Reaffirmed 2001). Global Standards
API monogram
A registered mark of the American Petroleum Institute.
Source: API SPEC 16RCD, Specification for Drill Through Equipment—Rotating Control Devices, Upstream Segment, First Edition, February 2005. Global Standards