PETROPREMA is the OFFICIAL DEALER JECTAIR COPPUS for Belgium, Luxembourg & Germany since 1958. COPPUS JECTAIR pneumatic fans, also known as ‘air movers’ or ‘bladeless venturi’s/ventilators’, have no moving parts, and thus are safe to use in hazardous environments. Our COPPUS JECTAIR pneumatic industrial fans can be fed with compressed air, or with steam. The COPPUS JECTAIR industrial air movers can be used for many purposes : Degassing of confined spaces (industry) Tank aeration (indus