supply of 1) angle seat valve-3/41) angle seat valve-3/4,angle seat valve-3/4 designed for pressurised flushing system as per mdts19027. rev.01. m ake: spac item code spac.0011042 or equivalent make functionally compatible in pressurised flushing syste m of indian railway coaches fitted with pressurized flushing system of spac make [ warranty period: 30 months after the date of delivery ] ] , 5/2 push pull spring return valve - 1/4 (with mounting brackets, knob, connectors, fasterners ) designed for pressurised flushing system as per mdts 19027.rev.01.make: spac, item code: spac.0011437 or equivalent make functionally compatible in pressurised flushing system of indian railway coaches fitted with pressurized flushing system of spac make [ warranty period: 30 months after the date of delivery ] ]