Unsure if had ever been replaced as early maintenance records are not available but the silicon oil (or whatever is was) is likely to have been place for at least ten years.
Thanks for the replies. My issue isn't with the vent line which does come off the highest point and goes through a silica gel desscicant trap (and is 3" not 1" as per the orginal post). The issue is that with no liquid in goose trap of the overfill line this line then acts as the vent as there...
Thanks Cheute79,
The tank and pipwork is CS. I'll check out the website and also get the lab to check if glycerine is compatable with 98% sulfuric acid.
We have a 98% sulfuric acid tank of mid 1980's construction on site that was recently inspected. The tank is a vertical tank with a cone roof of about 40m3 capacity. The roof has a 1" vent pipe that goes through a dessicant trap. The tank also has a 3" overflow pipe off the tank wall. The...
