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04
2021
-
09
Do you know the characteristics of the piston rod seal?
The piston rod sealing ring is a kind of sealing element, which can be divided into Gly ring and Ster seal. It is a symmetrical cross-section slip ring without filling material. The circular shape with elastic element and the sealing ring are combined to form a combined seal. The piston rod seal can also be used as a one-way seal.
Author:
With the continuous development of science and technology and industry, the requirements for reciprocating motion are also increasing. In the development of our construction industry and body industry, we will use piston rod seals. Its existence is extremely important. What are the characteristics and applications of piston rod sealing rings?
Piston rod sealThe ring is a kind of sealing element, which can be divided into Gly ring and Ster seal. It is a symmetrical cross-section slip ring without filling material. The circular ring with elastic element is combined with the sealing ring to form a combined seal. The piston rod seal can also be used as One-way seal.
The piston rod seal has many functions, including the use of combined seals, and then through circular prestress, and then compensate for the initial state and working state, and then because of its small friction, the piston rod seal has high pressure resistance and stability under pressure load, has good anti-extrusion performance, the leakage of the piston rod seal is very small, the piston rod seal also has a pumping function, and the piston rod seal will not produce resistance that affects friction, premature wear of the sealing lip is also not caused. In addition, the piston rod seal has a high wear resistance and will not cause the oil system to creep.
The combination of the hydraulic piston rod is a sealing structure. It is the main seal made of PTFE plus packing, and the other is a circular elastic seal as an auxiliary seal. The role.
There are many combinations of piston rod seals, including avoiding mutual contact between metals, greatly improving the support capacity, can withstand a certain lateral force, and because the friction of the piston rod seal assembly is very small, it is suitable for high pressure and High-speed system.
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