Tender For supply of airflowindicatinggauge range 0-100 (100-70 psi) complete to rdso drawing no.sk.d p 3510, alt-3 or latest along with led arrangement as per rdso drawing no. sk.dp-3518 alt-2 or late st and rdso spec. no.mp.1412/88 or latest. [ warranty period: 30 months after the date of delivery ]