When a valve leaks, corresponding measures should be taken according to the specific situation of the leak. Here are some common methods for handling valve leaks:

1、 Preliminary inspection and evaluation

Determine the location of the leak:

Carefully inspect the leakage point and determine where the leakage occurs in the valve, such as the flange connection, sealing surface, packing box, etc.

Assess the degree of leakage:

Observe the flow rate and speed of the leak, assess the impact of the leak on the system, and determine whether immediate shutdown is necessary for handling.

2、 Emergency handling measures

Isolate the leakage source:

If the leakage is severe, the valves near the leakage point should be immediately closed to isolate the leakage source and prevent the diffusion of the leaked medium.

Emptying medium:

If safety permits, empty the medium near the leaking valve to reduce losses and hazards caused by leakage.

Set warning signs:

Set up warning signs around the leakage point to remind personnel to pay attention to safety and avoid entering the leakage area.

3、 Specific processing methods

Leakage at flange connection:

Check if the flange connection bolts are loose or damaged, and if so, tighten or replace the bolts.

Check if the flange sealing surface is damaged or deformed, and if so, replace the sealing surface or the entire flange.

If quick handling is required, the leakage can be treated online by injecting glue with a card holder.

Sealing surface leakage:

Check if the sealing surface of the valve is worn or damaged, and replace the seal if necessary.

Adjust the closing force of the valve to ensure a tight fit of the sealing surface.

Leakage of stuffing box:

Check if the packing is aging or worn, and replace it with a new one if necessary.

Adjust the tightness of the packing to ensure that it is tightly packed inside the packing box.

Other leaks:

If the leakage occurs at the moving parts or connections of the valve, the relevant components should be checked for damage or looseness, and repaired or replaced.

4、 Subsequent measures and prevention

Strengthen monitoring:

Regularly conduct leakage testing on valves to promptly identify and address potential leakage issues.

Maintenance and upkeep:

Regularly maintain valves, including cleaning, lubrication, fastening, etc., to ensure their normal operation.

Replace old valves:

For old or severely damaged valves, new valves should be replaced in a timely manner to avoid leakage accidents.

Training personnel:

Regularly provide valve operation and maintenance training to operators to improve their operational skills and emergency response capabilities.

In summary, the treatment method for valve leakage should take corresponding measures according to the specific situation of the leakage. During the processing, personnel safety should be ensured and relevant operating procedures and safety standards should be followed.