Ballot 2 © American Petroleum Institute Choke and Kill Systems API Specification 16C Second Edition, XXX 2010 This draft is for committee balloting purposes only. API 16C 2nd Ed Draft, Aug. 2009 Ballot 2 © American Petroleum Institute Page 1 of 76 1 Scope 1.1 Purpose This specification was formulated to provide for safe and functionally interchangeable surface and subsea choke and kill systems equipment utilized for drilling oil and gas wells. Choke and kill system components shall be in accordance with the applicable sections of this specification. Technical content provides the minimum requirements for performance, design, materials, welding, testing, inspection, storing, and shipping. 1.2 Applications 1.2.1 Equipment Equipment, specific to and covered by this specification, is listed below. Items which may be monogrammed when supplied in accordance with this specification are identified in Annex I: a. Actuated choke & kill manifold valve control lines b. Articulated choke and kill Lines c. Assembled choke & kill equipment d. Choke and kill manifold buffer chamber e. Choke and kill manifold assembly f. Drilling choke actuators g. Drilling choke control lines, exclusive of BOP control lines and subsurface safety valve control lines h. Drilling choke controls i. Drilling chokes j. Flexible choke and kill lines k. Union connections used in choke and kill assemblies l. Rigid choke and kill lines m. Swivel unions used in choke and kill assemblies 1.2.2 Other Equipment Other Equipment included in specification, but covered by other API Specifications is listed below: a. Check valves b. Production chokes c. Crosses and tees d. Flanged, studded end and outlet connections e. Flow through valves f. Hubbed e...