supply of automatic pressure modification (apm) device (knorr design) for air brake wagons having bmbs. specificationautomatic pressure modification (apm) device (knorr design) for air brake wagons having bmbs. specification,automatic pressure modification (apm) device (knorr design) for air brake wagons ha ving bmbs. specification: (i) as per rdso drawing. no.wd-08096-s-01, alt.2 (ii) as per kbi part no.1.3 .5114 (iii) other technical requirements conforming to rdso specification no. wd-23-bmbs-2008 (rev .1) with amendment no.1 of sept.-2016. (iv) suitable to fitment of air brake wagon having bmbs (kno rr design). [ warranty period: 36 months after the date of delivery ] ]