purchase of s . s . union 51 mm ( make-idmc ) and repair kit for pneumatic flange valve 51mm . l type ( make-idmc ) ( fdv ) purchase of s . s . union 51 mm ( make-idmc ) and repair kit for pneumatic flange valve 51mm . l type ( make-idmc ) ( fdv ) note-bide are invited from oem/ authorized dealer/distributors . proof may be enclosed . he has to submit proof , s . s . union 51 mm ( make-idmc ) ( rates may be offered inclusive gst , frieght etc inclusive all for dms ) , repair kit for pneumatic flange valve 51mm . l type ( make-idmc ) ( fdv ) ( rates may be offered inclusive gst , frieght etc inclusive all for dms )