Tenders for Supply of Guard, S Emergency Brake Valve For Brake Van. Drawing No, : Rdsos Drg No. Sk. 73549, Alt. 6. Material And Specification: Rdso, S Spec. No. 02 Abr - 02, Amend. No. 4 Of Sept. 2016, With Appendix-G. Warranty Period: 36 Months After The Date Of Delivery