Outer surface: premium carbon steel Inner sleeve: high chrome Hardness: HRC60~67 Service life: up to 800 hours

The Bimetal Liner are made through heat-treating craftwork, with wear-resistant outer surface and high chrome inner sleeve.

 

Be widely used to some tough environment, such as deep oil reservoir, hard stratum, severe earthiness, and offshore oil,natural gas exploitation; with wear-resistance, erosion-resistance, high hardness; improve drilling efficience and reduce the cost of maintenance, labor …

 

PZ-10/11 Bi-metal Liner for Mud Pump