Supply Of Dual Plate Check Valves , Manufacturing , Inspection , Testing , Supply And Guarantee Of The Following Items , Valve Check , Wafer , Cs Body With #5 Plates , Metal Seats , Ibr , Rf , 4 Inch , Class 600 , Tag No . Pcae01x Service : Ibr , Valve Check , Wafer , Cs Body With 13 Cr Plates , Metal Seats , Bw , 10 Inch , Class 150 , Std , Tag No . Raay01 Service : Benzene , Valve Check , Wafer , Cs Body With 13 Cr Plates , Metal Seats , Bw , 4 Inch , Class 150 , Std , Tag No . Raay01 Service : Benzene , Valve Check , Wafer , Cs Body With 13 Cr Plates , Metal Seats , Bw , 8 Inch , Class 150 , Std , Tag No . Raay01 Service : Benzene , Valve Check , Wafer , Cs Body With 13 Cr Plates , Metal Seats , Ibr , Rf , 4 Inch , Class 300 , Tag No . Pbay01x Service : Ibr , Valve Check , Wafer , Cs Body With 13 Cr Plates , Metal Seats , Rf , 6 Inch , Class 150 , Tag No . Paay01 Service : Normal Fluid , Valve Check , Wafer , Cs Body With 13 Cr Plates , Metal Seats , Rf , 6 Inch , Class 300 , Tag No . Pbay01 Service : Normal Fluid , Valve Check , Wafer , Cs Body With 13 Cr Plates , Metal Seats , Rf , 8 Inch , Class 300 , Tag No . Pbay01 Service : Normal Fluid
