1:
Dust-proof ring is installed on the outside of hydraulic cylinder head to prevent external pollutants from entering the cylinder. According to the installation method, it can be divided into two types: integral installation and non-integral installation.
2.Overall installation of dust rings, the most common, dust rings stuck in the end cover of the inner wall of the groove, for less harsh environmental conditions. The material for integral installation of dust-proof rings is usually polyurethane, such as DSI, LBI and DHS. The dust-proof rings can not be integrally installed. Under severe and heavy load conditions, the polyurethane material is wrapped with a layer of metal to increase strength and pressed into the hydraulic cylinder head. Dust-proof rings that can not be installed as a whole also have many forms, such as LBI, DKBI, DKB and other dust-proof seals.