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Three situations of water leakage of rubber sealing ring

March 3, 2022

Three situations of water leakage of rubber sealing ring

 

In the process of pressure test or water passage, the rubber ring interface occasionally leaks water.

 

The reasons for analysis mainly include the following situations:

 

 

1. The top of the rubber ring is turned over: This is the most common situation. When the pipe is installed, due to the uneven bottom of the

 

groove, the insertion angle of the pipe is not straight, the chamfer of the pipe groove is not suitable, or the rubber ring is placed in an

 

improper position, etc. The ring is pushed forward. After installation, it is not necessary to check with a feeler gauge.

 

As a result, the ring is pushed out of the expansion groove.

 

 

2. The quality of the apron is unqualified: the apron has pores, cracks and seams. The vulcanization time of the apron is too long

 

or too short, resulting in unsatisfactory elasticity of the apron.

 

 

3. The expansion groove is too deep, and the equipment fails during the expansion process. The rubber ring installed in the expansion

 

groove not only does not protrude from the groove surface, but is concave on the groove surface, which cannot achieve the sealing effect.