Hot dip galvanized Flanges and electro galvanized flanges, dimensions standard to ANSI/API/AWWA/DIN/BS/JIS Galvanized flangesDimension Standard: ANSI ... -4000mm PN2.5-40Material: Carbon Steel, Alloy Steel and Stainless Steel.Type: Flat, Slip on, Blind, Welding ... , Figure 8 Blind, Swivel and etc, we can produce as per buyers special requirements.Galvanized method: Hot Dip Galvanized, electro galvanized