O-ring Professional Introduction

O-ring is a kind of rubber ring with a circular cross-section. Because its cross-section is O-shaped, it is called an O-ring. One of the most widely used hydraulic and pneumatic transmission systems. It is usually called O-Ring in Taiwan and Japanese companies. The O-ring is a circular rubber sealing ring with a circular cross-section. Under static conditions, the O-ring can prevent the leakage of liquid and gaseous media. Under dynamic conditions, the O-ring The sealing ring can also be used as a dynamic sealing element for axial reciprocating motion and low-speed rotary motion. According to different conditions, different materials can be selected to suit it.

Specification Description  

1. The general specification is expressed as: inner diameter d1 × wire diameter d2, for example: O-ring 25*2.2, where 25 means the inner diameter of the O-ring is 25 mm, and 2.2 means that the cross-sectional diameter of the O-ring is 2.2 mm;

2. Complete specifications---there are four standard sizes of American standard, Japanese standard, European standard, national standard (new national standard, old national standard).