Special Maintenance List
Abnormality such as thinning from wear and cracking on the seal ring contact face leads to leaking in the bonnet.
Low cost and short-term restoration vs. Valve Body replacement.
How to Repair
Repair on the site with cutting and welding machines.
1.Machining by cutting the contact face.
2.Spot Welding
Scope
Pressure Seal Type
Work Period
6 days (Standard number of days)
< Examples >
Before
After
