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 vendor for Air suspension control equipments conforming to RDSO spec. No. C