This is to the reference to your documents submission for comments / approval for supply of LLE (E821 & A821) with settlers.
Provide longitudinal type & bigger size (covering approx. 60 % area of overall height) sight glass in the bottom settler (V 802A). 
Please note that the U seal in the outlet line from V802A shall be adjustable using isolation valves in U seal vertical pipes, so that it can be adjusted if required in future. Kindly update in P & ID accordingly. 
Please provide Weld Map for the equipments for our review & reference in engineering.
Awaiting for the revised documents. Please revert back for any clarifications or more information required.
