Tender For supply of c-2w relay valve with 3/4" inch hole in the base plate to pt.no.1 and3 [with6mm choke in the exhaust] to wabco pt.no.579991/ftil pt. no. 505001300 &as per rdso drg. no. skdp-4160 alt-nil and rdso spec no. mp.0.01.00.15rev-03, april-2024.