SINCE 1997,HNA has been an integrated engineering & manufacturing specialist recognized worldwide for its unique HIGH PRESSURE FORGING, CASTING,WORLD TOP CLASS HEAT TREATMENT & PRECISE MACHINING Technology, and its high quality products in the O&G industry, by designing and fabricating HNA Hy-Chrome  Bimetal Liners 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 & World Top Class Heat Treated Outer Hull AISI 1045(45#)

(Or customized material)

*  High Chrome Cast Inner Sleeve: Chrome > 27%.

*  Precise machining and honing sleeve, Bore Hardness: 62--65 HRC

*  Rated for drilling operation Pressure from 5000 PSI up to 7500 PSI

*  Temperature Resistance Range: 20-350F

*  HP patent lip design to prevent inner sleeve slipping

*  Long Service Life Exceeding API Standard

* Fully interchangeable with major liner types, Available Size: 3”(75mm)--8”(200mm)

*  Product Series:

HNA-FE-L-HC:HNA High Chrome Bimetal Liner: Available Size: 3”(75mm)--8”(200mm)

Customized Specific Design & Series of HNA High Chrome Bimetal Liner, API/Non-API Standard