Duplex Check Valve With 1.5 Kg/Cm2 Pressure Setting . Drawing No: M/S. Sil Part No. 08 800201 Or M/S. Kbi Drg. No. 1.3.1902, Alt. 5 Or Equivalent. Matl.& Specn : Confirming To Rdso'S Specifi Cation No. C-K407 (Rev.4 Of March 2023). [ Warranty Period: 30 Months After The Date Of Delivery ] [Quantity Tolerance (+/-): 5 %Age , Item Category : Normal , Total Po Value Variation Permitted: Max 8 Lacs ] ]