Tenders for Supply of Duplex Check Valve With 1.5 Kg/Cm2 Pressure Setting. Drawing No. : M/S Sil Part No. 08800201 O R M/S Kbi Drg. No. 1.3.1902, Alt. 5 Or Equivalent. Material And Specification : As Per Drawing / Part No. Warrant Y Period: 30 Months After The Date Of Delivery