SINCE 1997,HNA has been an integrated engineering & manufacturing specialist recognized worldwide for its unique HIGH PRESSURE FORGING, INVESTMENT CASTING, WORLD TOP CLASS HEAT TREATMENT, PRECISE MACHINING Technology and high quality products in the O&G industry, by designing and fabricating HNA Crank Shaft for Duplex, Triplex and Quintuplex pumps, which are 100% interchangeable to most of the global famous brands: Bomco, Honghua, TSC, Weatherford, Ellis Williams, Gardner Denver, Emsco , National, Oilwell, Ideco, Drillmec & other major types of models, and customized design and production available.

Features:   

*Forged/Cast Crank Shaft

 AISI 4140 (42CrMo)

 (Or customized material)

* World Top Class Heat Treatment & Multi-Spindle CNC Machining ensure highest product quality of crank shaft exceeding API standard requirements, with hardness surface of 55-60HRC

* Strict QC and Inspection Procedures guarantee better performance and longer service life of crank shaft

* Rated for drilling operation Pressure maximum 7500 PSI

* Extremely Long Service Life Exceeding API Standard

* Fully interchangeable with major pump models and power end types

* Product Series:

HNA-PE-CS  :  HNA Crank Shaft, full sizes and specifications available 

Customized Specific Design & Series of HNA Crank Shaft -- API/Non-API Standard