Tenders for Supply of Poh Kit For Duplex Check Valve Consisting Of Four Items As Below : 1. Valv E Head To Escorts Drg. No. 4A48128, 2 Comp. Spring To Escorts Drg. No. 4B76146, 3Flat Sealing Ring To Escorts Drg. No. 4Eb6795, 4 O Ring To Escorts Drg. No. 4A 27763/26. Mak E/Brand: Escorts Warranty Period: 30 Months After The Date Of Delivery