Y-ring seal

What is a Y-shaped ring? Y-ring is divided into several categories?
Y-shaped ring of the Y-shaped cross section, which is a typical lip seals.
Their section and high aspect ratio, wide, narrow, Yx type can be divided into several categories;
Two lip height are equal, can be divided into the shaft holes universal type Y-shaped contour lip contour lip seals and shaft seals and holes of the Y-shaped with a Y-shaped ring.

Scope of the use of the Y-shaped ring?
Y-ring seals are widely used in reciprocating seals, its service life is higher than the O-ring. Y-ring applicable working pressure of not more than 40MPa, working temperature of -30 to 80 ℃;
Operating speed range: used for the production of nitrile rubber is 0. 01 ~ 0. 6m / s; using fluorine rubber production, of 0.05 ~ 0.3m / s; when using polyurethane rubber production, as compared to 0.01 ~~ lm / s. Y-ring sealing performance, life and the retaining ring when the working pressure limit, preferably a polyurethane rubber material.

Y-ring so special?
Y-ring characteristics can be summarized as follows:
1) reliable sealing performance
2) small friction, smooth motion.
3) the pressure is good, use a wide range of pressure.
4) The structure is simple and inexpensive.
5) ease of installation.

Y-ring What are the disadvantages?
1) The main drawback of the Y-shaped seal is only one-way function, piston type bidirectional sealing need to use a pair of Y-shaped seal ring to increase the axial dimension;
2) the normal Y-shaped ring of the cross-sectional dimensions greater than the O-rings, so the installation groove dimensions larger, sometimes need to use a split groove in order to facilitate the installation. Now many countries are developing a Y-shaped ring of small cross-sectional dimensions, size and installation is gradually improving.

Y-ring performance
The Y-shaped seal is a seal reciprocation sealing means commonly used in hydraulic and pneumatic systems, and its life and sealing performance are higher than the O-ring seal. Y-shaped ring lip than a single V-ring width, better sealing performance, simply use a so friction is less than the V-ring. The Y-shaped seal to adapt to the requirements of the pressure and sealing performance by changing the cross-sectional structure and dimensions. Y-ring applicable working pressure of not more than 40MPa; Operating Temperature -30 to 80 ° C; operating speed range; nitrile rubber production of 0.01 to 0.6m / s when using polyurethane rubber production, compared with 0.05 ~ 0.1m / s.