centralized medical gas supply for isolation wards centralized medical gas supply for isolation wards , fully automatic control panel for oxygen , 5x5 oxygen manifold , 2x2 emergency reserve oxygen manifold with 1st and 2nd stage regulator , medical vacuum plant duplex reciprocating -3 hp ( type i ) , copper pipes 35 mm , copper pipes 28 mm , copper pipes 22 mm , copper pipes 15 mm , copper pipes 12 mm , valve 15 mm , valve 22 mm , valve 28 mm , valve 35mm , 2 gas digital alarm , outlets o2 / vacuum , matching probes , oxygen flowmeters , ward vaccum unit , vacuum receicer tank 1000 ltrs , horizontal / vertical bed head panel -1000 mm , cylinder -oxygen , medical vacuum pump duplex rotary vane imported- above 1000 ltrs at 450 mm hg. ( type ii ) . ( not taken for evaluation )