Special Maintenance List
An abnormality such as corrosion on the gasket contact face of flange and manhole will lead toagasket leak.
Low cost and short-term restoration vs.
Valve body and bonnet replacement.
Valve body and bonnet replacement.
How to Repair
Machining on the site with a cutting machine.
Scope
Flange Type
(valve, pipe, heat exchange machine, manhole, etc.)
* For non OKANO products, instruction for processing margin may be requested.
Work Period
3 days (Standard number of days)
< Examples >
Before
After