EDi's Floating Ball Valve Series EB & ES Technical Bulletin EDi's Floating Ball Valve Series EB & ES Technical Bulletin Monday, September 16, 2019 0 1138 Article rating: No rating EDi has revolutionized the Floating Ball Valve with our new Patent Pending Progressive Seal Technology™ design. EDi’s Progressive Seal Technology™ introduces 4 Contoured Front Sealing Faces and 4 Flat Backside Sealing Faces that dramatically improve low and high pressure bubble tight sealing in floating ball valve applications. Read More to Download our Technical Bulletin for complete details. Read more