API Spec 11AX: 2006 Specification for Subsurface Sucker Rod Pumps and Fittings

American Petroleum Institute (API). Twelfth Edition, June 2006. Effective Date: December, 2006. 86p. This specification covers rod pumps and tubing pumps in commonly used bore sizes. Sufficient dimensional requirements are provided to assure interchangeability and standardization of all component parts; however, details of design are not specified. Standard materials are specified