supply of spare for complete conversion of vacuum brake system into air brake system of bgh wagons at atps, mppgcl chachai , air brakes equipment’s (slack adjuster/brake regulator type –irsa-600 and irsa-750 ,brake rod set) , pipe & pipe fittings heavy duty as per rdso specifications: - 20 mm nb and 32 mm nb (complete fitting set including tee flange, branch pipe, lock nut, fixed flange ,swivel flange, gasket, socket, hex nut and bolt, spring washer ) i.e. for complete wagon arrangement , cut off angle cock (32 mm size on either end of bp with extra 2 nos washer)drg. no. wd-88123-s-01(01 set =2 nos) , brake pipe air hose with coupling 32 mm , centrifugal dirt collector drg. no. wd-92051-s-03 , common pipe bracket with control reservoir , distributor valve with adapter rdso specification no. 04-abr-02. , reservoir (auxiliary) 100 litres drg. no. wd-92051-s-01 , brake cylinder 355 mm diameters with repair kitdrg. no. wd-92051-s-06 , isolating cock , common pipe bracket for slack adjuster and horizontal/vertical lever , inter-related accessories like frame angle, frame patti, lock patti, u clamp (12 nos each),nut and bolt, z type structure ,roller for 20”and 32” pipe etc.