KLQ G-clamps are designed for fastening rectangular ventilation ducts. G clamp is used for joining 20 duct flange, 30 duct flange and 40 duct flange frames on rectangular duct sides over 500 mm in length. Galvanised and stainless steel g clamps are available for sale.
Check also our Duct Flanges range - PQ series. Flange profiles are available in a standard version (PQ) and duct flange with an injected sealant (PQ-...-SIL) for higher airtightness class.
G clamps are used not only to join two rectangular duct sections. G clamp with a longer, optional 25 mm screw (KLQ-20-2,5) can be used for fastening rectangular
ducts to square fire dampers and multiblade ventilation dampers.
G clamps are the most common way to join rectangular ducts, the alternative solution is flange duct cleat - in our offer PWQ and PWQ-R flange cleats. More about them here.
