Aerial Signal Ball

Introduction
Aerial Signal Ball is designed to provide daytime visual warning or nighttime visual warning if
comes with reflective tape, for electricity transmission line and overhead wire for aircraft pilots,
especially cross river high voltage transmission lines. Generally, it is placed on the highest line.
Where there is more than one line at the highest level, white and red, or white and orange signal
ball should be displayed alternately.
Specification
Item Name Aerial Signal Ball
Color Orange
Sphere body Material FRP(Fiberglass Reinforced Polyester)
Cable clamp Aluminum alloy
Bolts/nuts/washers Stainless steel 304
Diameter 340mm ,600mm,800mm
Thickness 2.2mm
Drain holes Yes
Optional Preformed Armor Rods,Reflective Strip
Environment Condition:
1. Environmental temperature: -40°C~+90°C
2. Tensile strength: ≥128MPa
3. Bending strength: ≥230MPa
4. Barcol hardness: ≥44

• Applications for Warning Planes
• High-rise Power transmission Lines
• High slung Cable-car lines
• Ropeway cables
• Guy Wires