Overhauling Kit For Duplex Check Valve For Air Brake System Of Lhb Coaches Consisting Of 5 Items. Drawing : M/S Knorr Bremse To Part No. I.3.1902 As Per Details As Per Attached Annexure. [ Warranty Period: 36 Months After The Date Of Delivery ] [Quantity Tolerance (+/-): 5 %Age , Item Category : Normal , Total Po Value Variation Permitt Ed: Max 8 Lacs ] ]