Hy-Chrome Sleeve Liner
The hull of the liners are made with a high strength forging steel and Borehardness is 61- 68 RC. The high chrome sleeve guarantee never slip. The liners can withstand mud pressure up to 7,000 PSI and life time is more than 800 hours.
Hardened Steel Liner & Chrome – Plated Liner
Hardened steel liners are made with premium forged steel, the bore is carburized and quenched, with hardness 58-62 RC.
The ceramic liners offer longer life times and lower costs for operating . The ceramic sleeve material is made from Zirconia.