In the free state, the inner diameter of the oil seal lip is smaller than that of the journal and has a certain amount of interference;

Precautions for storage, installation and use of rubber O-rings

As a common sealing material, O-rings are useful in many equipment. Today, let's talk about how to select a suitable O-ring for chemical machinery and equipment.

Nitrile butadiene rubber is obtained from emulsion polymerization of butadiene and acrylonitrile. Nitrile rubber is mainly produced by low temperature emulsion polymerization. It

before installation, the lip shall be coated with appropriate clean lubricant, and the dust seal ring shall be coated with appropriate grease.