... 316l so flanges Standard:ANSI,DIN,JIS,GOST,GB ,EN;SIZE: 1/2"--78"(DN15MM--DN2000MM)Pressure class:PN 0 ... TypeWelding Neck Flanges, Slip on Flanges, Threaded Flanges, Socket Welding Flanges, Blind Flanges, Orifice Flanges, Lap Joint Flanges, Ring Joint Flanges, Long Welding Neck Flanges, Figure 8 ... tee(TC/TR) ,SO ,WN,PL,BL,SW,TH flanges,pipe end cap,eccentric/concentric reducers ;seamless steel pipe ( ...