Ring, the general nitrile rubber, natural rubber, chloroprene rubber, ethylene-propylene rubber, fluorine rubber, silicone rubber and blends manufacture. In addition to the O-outside there are triangular, rectangular, D-, T-, square, heart-shaped, X-type, five edge-type, olive and so on.
The nature of the
According to the different materials used in seals, have different properties on the classification of
1 high temperature seals
2 high pressure seal
3 corrosion-resistant seal
4 wear ring
The role of various types of seals
Is a function of the axial elastic rubber ring, as a non-pressure shaft seal. Sealing lip activity and better adaptability to compensate for greater tolerance and angle of deviation, to prevent internal leakage of grease or oil out, but also to prevent splashing water or dust from outside intrusion.
Mainly used for static seals and reciprocating seals. Seals for rotating movement, the only low-speed rotary seals.
Generally installed in the cylindrical or rectangular cross-section on the inner circle of the seal groove.
Widely used in reciprocating dynamic sealing devices.
In addition, spring tension (spring accumulator) ring, PTFE sealing material is being added in a spring, O-type spring, V-springs, U-type spring.