A small circle
12-19-2018, 08:24 AM,
A small circle
A small round rubber ring is like a capital letter O, so we call it an O-ring. It is mainly used for static seal and reciprocating motion seal. The use of rotary motion is limited to low-speed rotary densification devices. The ring is installed in the groove with rectangular cross section on the outer or inner circle to seal. O-ring still plays a good sealing and shock absorption role in oil resistance, acid-base, grinding, chemical erosion and other environments. Therefore, the ring is the most widely used seal in hydraulic and pneumatic transmission system. O-rings are also used in equipment to seal under stationary or moving conditions at specified temperatures, pressures and in different liquid and gas media. Various types of sealing elements are widely used in machine tools, ships, automobiles, metallurgical machinery, chemical machinery, engineering machinery, construction machinery, mining machinery, petroleum machinery, plastic machinery, agricultural machinery and famous instruments. The main materials of O-ring in Chongqing Feilong Jiangli are NR, EPDM, FKM and so on. Most of them are used on the handle of oil level gauge.

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