... excellent quality,competitive price,prompt shipment RING JOINT FLANGE:1)Standard:ANSI B16.5,ASME B16.47 ... , SCH160, XXS.TYPE: SLIP ON FLANGE (SO), WELDING ON FLANGE, BLIND FLANGE, STEEL PIPE FLANGE, WELDING NECK FLANGE (WNF), THREDED FLANGE, RF, MF, FMF, TG, ... FF, SRF ETC.Ring joint flange, ...