Drilling rig liner used in the mud pump 3NB1300C

Description

Bimetallic cylinder liner is a widely used hydraulic end fitting of mud pump at present, and it is also one of the most used fittings of mud pump. The bi metal cylinder liner is composed of inner and outer metals. The outer sleeve is made of high-quality carbon steel and the inner sleeve is made of high chromium wear-resistant alloy iron. The hardness of the inner sleeve after heat treatment reaches above HRC*2, the inner surface is a smooth mirror, the inner hole size tolerance is strict, and the normal service life can reach more than **0 hours. The outer sleeve is made of *5# forged steel, and the inner sleeve is made of high chromium cast iron. The chromium content is ****8%, the wall thickness is 7.**8mm, and hrc****7. The service life is long, generally more than **0 hours. The color can be determined according to the customer's requirements.