Nickel base alloy flanges :SB-160,SB-164,SB-335,SB-408,SB-425,SB462,SB472,SB473,SB-511,SB512,SB-564,SB-649,ASTM A637,AMS 5662,AMS 5663, AMS 5664, ASME SB637, AMS 5669, AMS5698, AMS5699 Flange Types: Slip-on flange, threaded flange, weld neck flange, blind flange, socket weld flange, lap joint flange, orifice flange Flange Face Configurations: All Flanges are available in raised face ,flat face configurations. Weld Neck Bore Flanges: Available in all bore sizes Wall Pressure Ratings: 150#, 300#, 600#, 900#, 1500#, 2500# more detail pls email to [email protected] mobile: 86-13651937490