1) Flange varieties: Plate, slip-on, welded neck, blind, thread
2) Materials: Carbon steel, stainless steel, alloy steel
3) Standard: ANSI, ASME, JIS, DIN
4) Size: 1/2"-5, 000mm
5) Surface treatment: Transparent oil, rust-proof oil, hot galvanizing
6) Price: Very competitive
7) Special design available