Could you please help in the following with respect to Atmospheric Storage Tank with Fuel Gas blanketing (Sour Crude & Sour Produced Water service) - Sample Box which contains the end of sample pipes originating at different heights of the Tank
a. Design drawing of piping inside the box
b. Names of companies that sells ready made sample boxes
c. Sample System brochures
I am looking for the drawing that shows the end of sample pipes (10-15 no. from different heights of the Tank) connected to a common header pipe and routed to a nearby drain system. i.e. during flushing the sample pipe, liquids are directly routed into the drain to avoid exposure of personnel to H2S gas evolved. after ensuring sufficient flushing liquid sample would be taken via one drain in the common header pipe.
Refer to the photographs attached. looking for the drawing of the piping inside the box.