nederman ab600a ex ne66 industrial pneumatic vacuum cleanerAn ATEX certified, compressed air driven suction unit with a large suction capacity, equipped with a silo for stationary or semi mobile use, which is designed for the collection of dusty materials such as granulates, blasting grit and for the recovery of precious metals. The silo is equipped as standard with a manually operated unloading valve. This unit is fully conductive and, if earthed at a designated point, can be used in an ATEX zone 1 21. For