Name: BCSD (Backward Curved Single-inlet Centrifugal Fan D Series Wheel Design) Application: Large volume, low pressure ventilation, high temperature, explosion proof process Volume range: 30000 ~ 220000 m3/h Static pressure range: 800 ~2500Pa Wheel series: "Venus" low pressure series D Product feature: "Venus" series big size wheel, high intensity design, long term stable running Different wheel strength class: Apply to heavy-duty working condition Variety choices available for high temperature and wearing proof Wheel balancing level G4.0 (AMCA 204-1996)