（1）Blowers，Dual Inlet, Technical Features Overview
Quietly operating and Sturdy Anti-vibration Housing
Blaunerg blowers, with forward curved impeller, compact EC motor fixed and inserted at the middle position, with optimized dual inlet scroll housing. The fans could be installed at any directions with fixed riveting nut at scroll housing metal ring, and optimized radial scroll housing design to quietly operation at customer requested working point in their ventilation duct system or unit box of different materials, such as galvanized metal, aluminum, copper, PE, PVC, polyfoam etc. AC and DC power supply are available for entire range of fans with integrated and intelligence EC technology motor with inside or outside mounted international standard remote control R485 communication protocol that’s suitable to be adopted in IoE(Internet of Everything), IoT(Internet of Things), smart home system, Industry 4.0 and committed to Carbon Neutrality climate change by reducing customers carbon footprints. PFC(Power Factor Correction), up to λ>96%, is optional for electricity grad stabilization compliance in certain circumstances of applications. ErP2015 (Energy-related Products) Directive conformity, COMMISSION REGULATION (EU) No 327/2011 of 30 March 2011 implementing Directive 2009/125/EC of the European Parliament and of the Council with regard to eco-design requirements for fans driven by motors with an electric input power between 85W and 230W.
Impeller Sizes: from 133mm to 146mm diameter;
Maximum Sound Level: from 63dBA to Maximum 74dBA according different rotation speed;
Airflow: Maximum to 735CFM , Cubic Feet per Minute;
Air Pressure: Maximum to 860Pa, equal to 87.70mm H2O and to 3.45 inches H2O;
Power: Maximum motor input power goes to 230W (equal to 0.31hp, horsepower) at motor diameter 92mm.