Chinese API sucker rod pump

Mechanical seating or cup seating sucker rod pump description

API Spec. 11AX was modified to add not only new sizes and types of pumps with new quality, inspection, and tolerance requirements, but also standardized, widely used pump-component materials. Various material descriptions, their API identification symbol, surface condition, base core hardness, base material, and base-material minimum yield strength for plated barrels, are shown in Table A of Spec. 11AX. Similar tables in Spec.

· Zhongshi Group is the API certification enterprise for 15 years;

· ISO9001 quality management system;

· We provide on-site technical service,no matter when and where.