What Should Be Paid Attention To To Prevent Twisting Damage Of O-rings

1) The concentricity of the installation groove of the O-ring should be considered from two aspects: ease of processing and no distortion.

2) The section size of the O-ring should be uniform, and lubricating oil or grease should be fully applied to the sealing part during each installation. Occasionally, a felt-ring refueling device saturated with lubricating oil can also be used.

3) Increase the cross-sectional diameter of the O-ring. The cross-sectional diameter of the O-ring for dynamic sealing should generally be larger than that for static sealing. In addition, the O-ring should be avoided as a seal for large-diameter pistons.

4) When twisting damage occurs under low pressure, a sealing ring can be used to protect the retaining ring.

5) Reduce the surface roughness of the cylinder barrel and piston rod.

6) Use materials with low friction coefficient to make O-rings.

7) O-rings can be replaced by sealing rings that are not prone to distortion.