APPLICATIONS Combined supply and extract ventilation syst for various premises where high air capacity at relatively low system resistance is required. FD fans can be used for the direct exhaust of air. FD fans can be mounted onto the external walls. DESIGN FD fan casings are made of steel with polymeric coating and the impeller is made of stainle steel. MOTOR The motor is equped with ball bearings. SPEED CONTROL Both smooth and step speed control is performed with the thyristor or auto controller. Several fans can be connected to one controller in case the total power and operating current do not exceed the rated controller values. Mounting The fan is installed on the wall surface by means of square mounting plate.
About shpingShping and Packaging All it will be double checked and well packed before sending.It will be dispatched within 2 business days after buyers pay for the order. It usually takes about 14 to 18 working days for delivering the package to the destination(for e areas,it may take a little longer).
Special Announcement:Please fill in the correct and detailed consignee, address and phone number in the order. For fast and correct delivery.If you do not receive order within 30 working days,please feel free to contact Customer Service before leaving Negative and Neutral Feedback, we will do our best to help you resoe the problem.TaxNo, you will only pay what is quoted as total cost at checkout, no more. You are not expected to pay any additional duties or taxes. If you are asked by Customs or our logistic partner to pay duties, please contact our Customer Service .
Your 100% satisfaction is very ant to usIf the product is not on good condition, You can return this product within 14 working days, please contact customer service center before returning.FeedbackYour satisfaction is our first priorityIf you receive the order and it is in good condition,we would be grateful if you would leave us 5 star Positive Feedback for the transaction.