... , dental laboratory equipment, vacuum automation equipment, printing plate, exposure machine, vacuum packing machines, vacuum slimming beauty equipment and ... 1m3/h(68L/min)Maximum vacuumKPa-98KPaNoise dB(A)≤58dB(A)Ambient temperature °C5-40°CInsulationBCold insulation resistance ... M12*P1.25(according to requirements)Oil-free vacuum pump features:Low vacuum, ultra-low mute, light weight, beautiful ...