Specification :

mud pump liner, API 7 standard

The material of outer jacket is 45# forging carbon steel. The material of inner sleeve is high chrome.

drilling mud pump liner

Liner is made through heat-treating craftwork, with wearing inner sleeve. The service life of our liner is more than 1000 hours. By using our liner, you can reduce the cost and promote the drilling efficiency

we could supply all spec premium liners and ceramic liners used in various brands of mud pumps, produced under API 7.
1) Our premium liners are made of a forged steel outer shell and a high chromium iron inner sleeve. The out shell is centrifugally forged with high quality carbon steel, with Tensile Strength exceed 610Mpa, Yield Strength exceed 450 Mpa, Elongation exceed 17% , Hardness HB -180-200; The inner sleeve is centrifugally forged with high chrome iron alloy, with Hardness over HRC62 after heat treatment. Each liner is machined to close tolerances to assure ease of installation and long liner life with the inside diameter of these premium liners honed to a mirror-like finish for smooth even wear during the life of the liner. It could serve more than 800 hours.

2) Our ceramic liners are made of a forged steel outer shell and a ceramic inner sleeve. We can supply Zirconia( ZrO3) sleeves as well as Alumina( Al2O3) sleeves. The ceramic liners are mainly used for well drilling and geological explorations especially widely used in harsh oil mining environment, offshore well& gas exploration etc. It serves a 5 to 10 times longer life than metal products, and will cut down the mining cost of more than 50% .

Welcome your inqury.