Installation description of coated O type sealing ring

1, the installation or through the seal ring parts is smooth, without burr, grooves and sharp corners spectrophotometric determination of hole section should reach 20 milli inches and spectrophotometric determination of shaft section should reach 10 milli inches.

2, with a clean light oil or grease lubrication sealing surface and contact the relevant parts of the surface.

3, if the sealing ring installed on the shaft is more difficult, it can be immersed in hot water for a few minutes to make it swell, this softening and expansion of the O ring is relatively easy to install. In the heat of the time to install the O - shaped ring, and so on to cool down its size and return to the original.

4, do not be too severe bending O - shaped circle, otherwise it will cause the use of Teflon folds.

The required compression of coated O type sealing ring is as follows:

Static seal state: 15%-20%

Dynamic seal state: 10%-12%

Pneumatic state: 7%-8%