propeller centrifugal ventilator

propeller centrifugal ventilator Features 1)excellent performance 2)good insulation 3saving energy 4)compact construction 5)little vibration Introduction The series of motors have the explosion-proof performance meeting the regulations of GB3836.1-200'part1;general requirement of electric equipment applied under the condition with explosive gas’,GB3836.2-2000'part2:explosion-proof "d"of electric equipment applied under the condition with explosive gas'