A portable diaphragm type vacuum pump oil free manufactured form special grade aluminium for light weight and strength. Built in Micro suction FilterDiaphragms are made of 2 play nylon reinforced neophrene rubber and valves are of SS 316 with special sealed bearing thus eliminating lubrication. Extremely useful as vacuum pump in laboratories filtration instruments gas charging suction and labeling machines etc. Equally useful as compressor in flame photometers spectrophotometers Nebuliser. It works on 220 volts 10% 50 Hz A.C the available models are as under MaxFlow MaxVacuum MaxPress Motor HPPSAWMH-1 15 22 35 116PSAWMH-2 25 22 25 116PSAWMH-3 45 27 60 14