supplying and erecting oxygen plant in phc waluj tq gangapur dist abad , dhp grade solid drawn , seamless , de-oxides , not arsenical & degreased copper tubes in half hard r condition manufactures as per the bs en 10557r 250 a . 15 mm od copper pipe :- 610 , dhp grade solid drawn , seamless , de-oxides , not arsenical & degreased copper tubes in half hard r condition manufactures as per the bs en 10557r 250 b . 12 mm od copper pipe :-215 , bs standard gas outlets a . oxygen with probes , oxygen attachments of bpc flow meter ( metallic ) , 2 x 2 oxygen cylinder s manifold with brass blocks , super annealed copper p-t pipe properly fitted over ms angle , non return valve best quality flexible tail pipes & stagedual gauge oxygen regulator , 15 mm isolation valves , area alarm ( analog ) single gas