Recent Questions tagged [isolation]

Which valve would be considered your primary isolation point in double block and bleed isolation?
Asked 1 year, 7 months ago by Mikhai Witt

When isolating a vessel or pump using the double block and bleed system, would the upstream valve of the bleed point be considered your primary isolation or the downstream valve closest to the vessel or pump? I cannot find a standard or suggestion on this...

Positive isolation philosophy
Asked 4 years, 8 months ago by lonstruthers 1 Answer

What is Positive Isolation? Where positive isolation should be applied?