Get current pricing for Plt Maint Service Co, Plt Maint Service Co-11677-ID 470 Gallon Carbon Steel Tank. Hydro Tested To 3 Psig. Openings: Side - (1) 18 Manway On Davit, (1) 3. Bottom - (1) 4 , (1) 1, . Product Category: Process Equipment, Sub Category: Process Tanks/kettles: