UNUSED Internal finish 240 grit buff polished-Bright polished, external buff polish to a matte finish. ASME NB rated and "U" stamped. welded dish heads (2:1) 10mm thick. Coil: 114 mm OD x 4 mm thick, Limpet covers bottom dish and 2028 mm of straight-side (pitch 150mm), Span 1000mm. Coil heating surface area. With Insulation rings and upper drip ring. Two top lifting lugs and one tailing lug 18" Manhole with Cover and davit arm assist, One 6" sight glass