Combined Pressure Reducing Valve And Double Check Valve. Drawing No.: Rdso,S Drg. No. Contr-9405-S-13, Alt: 19, Item No. 23. Material And Specification : Conforming To Rdso,S Spec. No . 02- Abr-02, Amendment No.4 Of Sept. 2016. [ Warranty Period: 36 Months After The Date Of Deliver Y ] [Quantity Tolerance (+/-): 5 %Age , Item Category : Normal , Total Po Value Variation Permitted: Max 8 Lacs ] ]