Axial Fan YWF550_Ningbo Lionball Ventilator Co.,Ltd.

Axial Fan YWF550 Time:2012-04-20

　　Axial fan with external rotor motor YWF550

　　—The diameter of the fan blade:550 mm

　　—Material: Guard Grille: steel, phosphated and coated in black plastic

　　Wall ring: sheet steel, re-galvanised and coated in black plastic

　　blades: sheet steel

　　Rotor: coated in black plastic

　　—Number of blades: 5

　　—Direction of rotation: direction of air flow "S" counter-clockwise, direction of air flow "B" clockwise seen on rotor

　　—Type of protection: IP54 or IP44 rating for protection against dust and water

　　—Approvals: UL, CE, CCC approval

　　—Insulation class: B or F

　　—Mode of operation: Continuous operation (S1)

　　—Bearings: Maintenance- free ball bearings

　　—Motor protection: without TOP, TOP wired internally

　　—Cable exit: lateral

　　—Protection class: I

1. performance parameters

2. shape and the size of installation

3.air volume and static pressure curve