... flange; with good quality,reasonable price,promptly delivery... Flanges:(1) Flanges Type: Plate-type Flat Welding Flange, Butt Welding Ring Loose ... Flange, Slip on Neck Flange, Welding Neck Flange, Long Welding Neck Flange, Blind Flange, Socket Welding ... , F91(4) Connection Type: Raised Face, Flat Face, Ring Type Joint, Lap-Joint Face, Large Male-Female, Small ...