Duct Flange G Clamp M8x25,M8x30, Galvanized or Stainless steel or electro-galvanized
Connection element for duct flanges
Appropriate for all duct cross sections 
Easy-to-assemble 

Duct Flange Clamp is used to clamp Doby frames together on larger ducts when the corner bolts alone are not sufficient. Typically applicable to rectangular ducts of approx. 500mm and above - clamps should be spaced every 300mm to 500mm depending on duct pressure. A larger spacing may be used with larger profile frames.

It used for air duct combination with flange corner,flange cleats and clamps.

flange profile is Safe and reliable, practical and very  convenience