bids are invited for customized amc/cmc for pre-owned products - amc of central o2 pipe line suction line air line many fold with all system; amc of central o2 pipe line suction line air line many fold with all system; annual maintenance contract (amc); quarterly; .. - 54 mm copper pipe , 42 mm copper pipe , 28 mm copper pipe , 15 mm copper pipe , oxygen outlet point , oxygen adaptor , bpc flowmeter with humidifier bottle , oxygen alarm system , automatic control panel (oxygen) , 8 cylinder manifold (oxygen) , flexible tail pipe , high flow oxygen regulator , air outlet point , air adaptor , air alarm , vaccum outlet point , vaccum adaptor , 600ml vaccum jar with regulator , theatre suction trolley , vaccum alarm system , gasket set , 2.5 piston ring , 4 piston ring , needle bearing , finger valve set , non return valve , cylinder screw , high pressure piston , packing set for vaccume machine , ring set for vaccume machine , stater for vaccume machine , vaccum pressure switch , air pressure switch