Chinese API sucker rod pump

The thickness of barrel wall is 3.175mm,it is suitable for the well conditions of small tubing size and need big demand of pump diameter .It can be designed according to the customer’s well.

Material selection:

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. 11AX (B through I) are incorporated for case-hardened barrels, nonhardened barrels, balls and seats, cages, pull tubes, valve rods, fittings, seating cups, spray-metal plungers, and plated plungers. These changes have incorporated the prior information in API RP 11AR[2] and the NACE International MR 01-76[3] for materials to be used in most production environments.

· 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.

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