SINCE 1997,HNA has been an integrated engineering & manufacturing specialist recognized worldwide for its unique HIGH PRESSURE FORGING,WORLD TOP CLASS HEAT TREATMENT, PRECISE MACHINING Technology and high quality products in the O&G industry, by designing and fabricating HNA Pinion 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 Pinion Shaft

 AISI 4340 (40CrNiMo)

 (Or customized material)

* World Top Class Heat Treatment & Multi-Spindle CNC Machining ensure highest product quality of pinion shaft exceeding API standard requirements

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

* Grinding process of Herringbone gear ensures better quality and longer service life than gear hobbing,hardness of tooth surface HRC55-60

* Gear hobbing of Herringbone gear is also available as an option

* 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-PS  :  HNA Pinion Shaft, full sizes and specifications available 

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