supply of a set of spare for ep brake system of 3 phase ac emu coach application , make -knorr-bremse india pvt.ltd., detail as per listed here: ( 1 ) magnet valve assembly without connectors ( part no. ii86418 / 110 ) -2 nos, ( 2 ) connector set with cable for magent valves ( one set includes wiring harness & connectors for both application & holding magnet valve ) ( part no. c172368 ) : 2 nos, ( 3 ) stabilizing valve ( part no. ii80275 ) : 1 no. ( 4 ) pressure reducing valve ( for bc pressure setting -1.2 kg / sq.cm ) ( part no. ii36508 / 0120 ) : 2 nos. ( 5 ) safety valve set at 4.0 kg / sq.cm: ii91921 / 01040: 2 nos, ( 6 ) max. pressure limiiter ( for pressure setting 3.6 kg / sq.cm ( part no. i39364 ) : 1 no. ( 7 ) check valve ( part no. ii88787 ) : 1 no. [ warranty period: 30 months after the date of delivery ]