Overhauling Kit For 1.5 Kg/Cm2 Duplex Check Valve To Part No.1.3.1902 Of M/S Knorr Bremse India Pvt Ltd., Consisting Of 4 Items As Follows :- 1) Sealing Ring 453890-2 N Os., 2) Valve Head A48128-2 Nos., 3) O - Ring A27763/26-2 Nos., 4) Locking Ring 466031- 2 Nos. [ Warranty Period: 30 Months After The Date Of Delivery ] [Quantity Tolerance (+/-): 5 %Age , Item Category : Normal , Total Po Value Variation Permitt Ed: Max 8 Lacs ] ]