Plug Valve and Ball Valve Process and Pressures Flashcards
1
Q
In Plug valves, old sealant must be cleaned out with black Sealweld valve cleaner, the cleaner may need to sit for several days, TRUE or FALSE?
A
TRUE
2
Q
Before injecting sealant in plug valves you must fully ____ or _____ them.
A
Open, Close
3
Q
Operate a ball valve _____ times to make sure its stops are set properly.
A
6