supply of kit for spring suspension for 1400 hp demu consisting of the following items confirming to rdso specification no. ck-406 & ck-407 ( 1 ) levelling valve assembly ( ball and socket ) , qty-10 nos / set ( 2 ) installation lever, qty-06 nos / set ( 3 ) duplex check valve, qty-10 nos / set ( 4 ) two way dirt collector, qty-04 nos / set ( 5 ) isolating cock 20 nb, qty-04 nos / set ( 6 check valve assembly, qty-04 nos / set ( 7 ) drain cock assembly for 150 ltrs. reservoir, qty-04 nos / set ( 8 ) drain valve for 20 ltrs. reservoir, qty-04 nos / set. general stores depot uttar pradesh 8.00 set => limited