I want to know which valve manufacturers or valve accessories manufacturers make stem extensions to valves located below the pavement level. Cam be this piece used with any valve no matter what is the original manufacturer?
Sorry, I think my question wasn't clear and I still ask help.
I found a pressure vessel with the following data in its identification plate:
Design pressure: 17,5 kgf/cm2
Working pressure: 17,5 kgf/cm2
Hydrostatic test pressure: 28,1 kgf/cm2
Hammer testing pressure: 21,1 kgf/cm2
Me and my...