Sagar Air Pvt. Ltd. Offers Double Inlet Double Width Fan. Sagar Air Pvt. Ltd. Has projects division and equipment manufacturing division. The Projects division offers its services in clean rooms, central evaporative cooling, ventilation, air conditioning and process cooling. Double Inlet Double Width Fan has a capacity upto 55,000 CFM. Double Inlet Double Width Fan is a belt driven centrifugal fan with forward curved and backward curved series FDZ and BDZ square outlet. The diameter ranges from 160mm to 1000mm.