... :1.Type---welding neck flange,slip-on flange,lap joint flange,thread flange,socket weld flange,blind flange,8-blind flanges,orifice flange,plate flange.2.material---carbon ... ,EN,AWWA,API,MSS,GB4. size---1/2" to 60",DN15 to DN2000,15---5000mm5.pressure---150bls to 2500bls6.marking---according ... L/C(price terms---FOB,CFR or CIF) Carbon Steel Flange ANSI