Tenders for Supply of Over Hauling Kit For Duplex Check Valve Consisting Of 04 Items Escort Make. As Below:- 1. Valve H Ead Escorts Part No. 4A 48128 Qty. 02 Nos. 2. Compression Ring Escorts Part No. 4A 76146 Qty. 02 Nos. 3. Flat Sealing Ring Escorts Part No. 4Eb 6798 Qty. 02 Nos. 4. O- Ring Escorts Part No. 4A 27763/26 Qty. 02 Nos. War Ranty Period: 30 Months After The Date Of Delivery