Introduction

Rubber O ring is the most widely used in hydraulic and pneumatic transmission system of a seal.

Rubber O ring o-rings (O - rings) is a kind of cross section for the circular rubber sealing ring, due to its cross section is type O, so called type O sealing ring, also called o-rings. Began to appear in the middle of the 19th century, when use it as a steam engine cylinder sealing element

Classification

1. O-ring specifications, the specifications are mainly UHSO rings UHPO ring specifications, the specifications, UNO rings DHO ring specifications, the piston rod o-ring specifications, high temperature resistant o-ring, o-ring resistance to high pressure, corrosion resistant, o-ring, o-ring wear resistance.

2. The o-ring main standard of GB 1235-76, GB GB3452.1-92; The P TYPE, G TYPE, S TYPE, SS/V TYPE, F TYPE; AS568 American standard, British standard series; European standard series