Our company's drilling mud pump bimetal cylinder liner is produced in strict accordance with the quality standards and process requirements
exported to the United States. The outer sleeve is made of 45# steel, the inner sleeve is centrifugally cast with high chromium cast iron, the
chromium content is 27-29%, and the inner hole quenching hardness is 38 -65HRC, the inner diameter tolerance after fine grinding is controlled
within 0.13mm, the finish reaches the mirror effect, the service life is more than 900 hours, and the maximum service life is more than 1000 hours.
The product quality is unanimously recognized by foreign users. The matching cylinder liner sealing ring adopts imported rubber raw materials.
According to the quality standards and process requirements of similar products in the United States, the product quality has reached the level of
similar products in the United States.