supply of hand operated horn valve , hand operated horn valve to escorts drg. no. 3eb 9237 or kbi drg.no c194258 part no. 1 197023 or faiveley part no- 714011000 or equivalent. [ warranty period: 30 months after the date of del ivery ] ] , foot operated horn valve complete to m/s. escorts drg.no.3ep 6042 or m/s. smc part no.vm 220 rfp 7405 or ftil part no.714010000 or kbi part no.ii76580 or wsf drg no.ib 70812 or s uitable for ac-dc siemens emu rakes firms offer : foot operated horn valve complete as per o ur drawing no 129 00 suitable for ac-dc siemens emu rakes which is equivalent to tender de scription. [ warranty period: 30 months after the date of delivery ] ]