... customer’s special requirement.Type: Butt welded flange, Slip on flange, Plate flange, Blind flange, Socket flange, Threaded flange, Lap ... Face: FF, RF, RTJPressure:150#---3000#, 5K---63K, PN6---PN400Or as per customer’s special requirement.Surface treatment: Black painting, anti ... quality, hope we will co-operate with each other based on mutual benefits.2.Warmly welcome to Ritia Group3.Product feature ...