Punker GmbH

BACKWARD-CURVED IMPELLERS

BACKWARD-CURVED IMPELLERS

• Available in tabbed and welded construction
• 7” to 49 3/16” (180 to 1,000 mm) diameter
• Use in un-housed applications or in scroll housing
• Single and double width construction
• Available in different materials of construction and coatings
• Compatible with various AC/EC-motors 50/60Hz
• High static efficiency
• Performance characteristics, un-housed installation:Volume flow Airflow: up to 45,000 CFM (21m³/s) | pressure: up to 16” inWG (4,000 Pa)
• Performance characteristics in scroll housing: Airflow:up to 38,000 CFM (18m³/s) | pressure:up to 16” inWG (4,000 Pa)
• Applications: Integrated fans, roof ventilators, ventilation and air-conditioning systems (HVAC/AHU), industrial applications