Forward Curved DIDW Fan is offered in different sizes ranging from 180 mm diameter to 1,000 mm diameter. The Fan is a statically and dynamically balanced unit that is made of GSS galvanized sheet steel. The DIDW Fan is offered in a capacity range varying from 500 CMH up to 76,500 CMH. Forward Curved DIDW Fan can work under a pressure range of 200 Pa to 1600 Pa.