2013年9月3日星期二

Hydraulic fittings of the role and significance of seals

The hydraulic system and the system, the sealing means for preventing leakage of working fluid and the intrusion of dust and foreign matter outside. Wherein the seal element, namely seals.Leakage will result in the waste of the working medium, pollution, machines and the environment, and even cause malfunctioningmachinery and equipment, personal accident.Endoleaks volumetric efficiency of the hydraulic system will cause a sharp decline, reach the desired working pressure, can not even work.Intrusion systems tiny dust particles can cause or exacerbate the wear of  Hydraulic tube fittings components, and further lead to leakage.Therefore, seals and sealing device is a hydraulic device is an important component. It's the reliability and service life of the hydraulic system is a measure of an important indicator of good or bad.
In addition to the gap seals, are the use of seals, so that two adjacent coupling gap between the surface of the liquid to be sealed controlled through the following minimum clearance.In-contact seal is divided into self-sealing compression seals and self-styled self-tight seal (ie lip seal) two kinds.

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