Tenders for Supply of Distributor Valve Including Adaptor With Isolating Cock, Pipe Bracket Wit H Control Reservoir And Gasket For Air Brake System Of Freight Stock To Specn No. Appendix A1 & A2 Of Rdso Specn.No.02-Abr-02, Amendment No.4 Of Sep.2016 Warranty Period: 30 Months After The Date Of Delivery