Hydraulic seal design specifications to the product use

Hydraulic ring for installation on a variety of mechanical equipment, at a predetermined temperature, pressure, and various liquid and gaseous media, at rest or in motion from the state seal. On machine tools, ships, automobiles, aerospace equipment, metallurgical machinery, chemical machinery, engineering machinery, construction machinery, mining machinery, petroleum machinery, plastics machinery, agricultural machinery, and a variety of instruments, a large number of applications for various types of seal element. Although many variables affect the form of hydraulic seal, fit and function, followed by leak-free seal is the most important parameter is the application rate of extrusion. However, since these data indicate that the ideal amount of extrusion itself is affected by many factors. You can not just assume that more is better.

Keep in mind that other factors will lead to hydraulic seals to poor performance, such as thermal degradation, chemical interactions, gas permeability, mechanical wear or damage such as extrusion, cold or loss of elasticity. In these cases, the amount of adjustment can not solve the problem of the extrusion.

Dust ring hydraulic seals used in hydraulic and pneumatic piston, the main role is to remove the exterior of the piston cylinder attached to the surface of dust, prevent sand, water and contaminants into the sealed cylinder.

Currently, most of the actual use of the dust ring is made of a rubber material, and its work is characterized by dry friction, this requires special rubber material with good abrasion resistance and low compression set. Recent years have begun to promote the use of other materials and rubber materials and use of the new dust seal, good sealing effect of this seal assembly. Long service life, the increasingly widespread application.

Currently dust ring more and more product categories, according to their role in the characteristics of the type of structure, the sealing mechanism may be of several types

According to the structure in the form of points: Rectangular dust seals; hydraulic dust ring chamfer 'foot-shaped hydraulic dust ring; J-shaped dust hydraulic seals; hydraulic seals dust triangle

By action points: a single-acting hydraulic dust ring, double acting scraper ring

According to whether the skeleton point: no skeleton dust hydraulic seals; skeleton dust hydraulic seals

Divided according to whether the combination of: a single-type dust hydraulic seals; combination of hydraulic dust ring

Although many variables affect the form of hydraulic seal, fit and function, followed by leak-free seal is the most important parameter is the application rate of extrusion. However, since these data indicate that the ideal amount of extrusion itself is affected by many factors. You can not just assume that more is better.

Keep in mind that other factors will lead to hydraulic seals to poor performance, such as thermal degradation, chemical interactions, gas permeability, mechanical wear or damage such as extrusion, cold or loss of elasticity. In these cases, the amount of adjustment can not solve the problem of the extrusion.