High Hardness Inner Sleeve: Quenching hardness reaches HRC59-67 with a minimum uniform bore hardness of HRC62.
Long Service Life: Ensures a long using life of more than 800 hours under tough corrosive and abrasive conditions.
Superior Material Composition: Outer sleeve is forged steel 45#; inner sleeve is high chromium cast iron with 26%-28% Cr.
Customizable Machining: We can customize and machine parts according to your specific drawings.
Wide Compatibility: Compatible with F, PZ, 3NB, BW, CWB series and brands like EMSCO, OILWELL, IDECO.
Precision Tolerance Control: Inner holes' dimension tolerance is strictly controlled for easy installation and performance.
Mirror-Like Finish: Inner surface features a mirror-like smooth finish for superior abrasion resistance.
OEM and ODM Services: Full OEM and ODM services available with 3 R&D engineers supporting customization.