... , standard: ANSI, JIS, DIN, GB 3, size: 1/2"-48" 4, pressure: class150-3000 Flanges: 1. Standard: DIN, ANSI/ASME B16 ... , F316Ti... 3. Type: WN, SW, TF, LJ, SO, BL, PL... 4. Face type: RF, FF, RTJ... We are specialized in the ... annual production comes to 5000 tons of the stainless steel flanges, duplex flange and alloy steel flange, which can be used in pharmacy, tube ...