... flanges , Threaded flanges , Socket Welding flanges , Blind flanges , Orifice flanges , Lap Joint flanges , Ring Joint flanges , Long Welding Neck flanges , Figure 8 BlanksPressure Grade : Class 150 , Class 300 , Class 600 , Class 900 , Class 1500 , Class ... 2673Types : Welding Neck flanges , Slip On flanges , Threaded flanges , Socket Welding flanges , Blind flangesPressure Grade : 6 Bar , 10 Bar ...