Frequently questions of access doors .
Update:Sep 12,2023
Summary:First, the manhole is poorly closed 1. Improper filling or aging of sealing materials: The sealing materials should be filled in again or replaced. ......
First, the manhole is poorly closed 1. Improper filling or aging of sealing materials: The sealing materials should be filled in again or replaced. 2. Design defects: We should try to adopt new sealing materials or change the design. Second, the manhole is not tightly sealed 1. The sealing material is too soft or defective: the sealing strip should be replaced or repaired again. 2. Oil stains or other pollutants: clean up the pollutants before replacing the sealing strip or repairing it. 3. Insufficient or excessive tension: adjust the tension appropriately to ensure that the sealing material can be completely attached to the equipment under the condition of compaction. Third, the manhole leaks water. 1. The sealing material is too soft or defective: the sealing strip should be replaced or repaired again.
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