Double inlet centrifugal fans with forward curved impeller
                    
                       - Rosenberg Ventilations & Energy Systems (Shanghai) Co., Ltd.
 
                        - product brand:Rosenberg 
 
                        - رقم الكشك:W1F35
 
                        - product specification:DRAD 315-4S
 
                         - product category:Ventilation Plants-Fans, axial, radial, cross flow-
 
                        - product introduction:flow rates up to 15,000 m3/h
size: 180 - 400 mm (impeller diameter)
casing made of galvanised sheet steel
asynchronous external rotor motor
forward curved impellers
feet can be offset by 90°
protection class IP54
thermal class F
connection cable on side
motor protection by thermal contacts
speed is variable using auto transformers