Tenders for Supply of Set Of Valves Leveling Valve Qty. 02 Nos. And Duplex Check Valve Qty. 1 No. To Ftrtil Leveling Valve Part No. 038001000, Duplex Check Valve Part No. 039001500 Or Kbil Leveling Valve Part No. Ii68831, Duplex Check Valve Part No. 1.3.1902 Or M/S Escorts Leveling Valve Drg. No. 3Eb6631 Alt 03, Duplex Check Valve Drg. No. 3Eb6632 Alt.03 One Set Consisting Of 02 Items And 3 Nos.. Material To Be Procured From Rdso Approved Vender For Air Suspension Control Equipments Conforming To Rdso Spec. No. C-K 407Rev.03 Amendment-1 Of September 2018.