Supply of Overhauling Kit For Duplex Check Valve Consisting Of Four4 Items Of M/S Knorrbreamse Make As Follows: 1.Sealing Ring-543890-2 Nos 2.O-Ring - A 27763/26- 2 Nos 3 .Toothed Washer- 466031-2 Nos Valve Head- A 48128-2 Nos Warranty Period: 30 Months After The Date Of Delivery
