Our new (patent-pending) connection is constructed using a precision fabricated clamp with a silicone or neoprene sponge gasket. With Sure•Clamp Spiral, complete systems can be installed with ease and taken apart and reassembled just as easy, imagine a ductwork system that can be maintained or changed at a low cost to your customer. Assembly is simple and reliable, simply place the sections together, slide the clamp in place over the flange and clamp shut. Fittings assemble just as easy and there is no messy sealer to apply. Sure•Clamp Spiral has many applications, such as HVAC, Dust, Fume and Dryer Vent systems. Langdon fabricates ductwork to SMACNA construction standards as well as specialty systems. Sure•Clamp Spiral is available in galvanized, galvanneal and stainless steel in even and odd sizes from 3" to 22". Sure•Clamp is also available in longitudinal seam ductwork.
The Benefit of Sure-Clamp Spiral is a quality product at a cost effective price.
Typical HVAC spiral ductwork is fabricated with a slip connection, after field assembly of spiral pipe and fittings duct sealer is applied to the connection. Langdon can reduce installation costs by eliminating a sometime difficult slip connection and sealing requirements, with the ease and speed of our clamping system, simply place the sections together, slide the clamp in place over the flange and clamp shut. Our gasketed clamping system will give you a sealed system, finished look for exposed areas and allow future removal of ductwork for inspection or cleaning of system.
For more details click on the links below to download a copy of our Shop Drawings.
Welding Fume Exhaust System,installed using Sure-Clamp Spiral Pipe and Fittings Simply place the sections together, slide the clamp in place over the flange and clamp shut.
Welding Fume Exhaust System installed using Sure-Clamp Spiral Pipe and Fittings Simply place the sections together, slide the clamp in place over the flange and clamp shut. Fittings assemble just as easy and there is no messy sealer to apply.
Welding Fume Exhaust System,installed using Sure-Clamp Spiral Pipe and Fittings Simply place the sections together, slide the clamp in place over the flange and clamp shut. 
Welding Fume Exhaust System installed using Sure-Clamp Spiral Pipe and Fittings Simply place the sections together, slide the clamp in place over the flange and clamp shut. Fittings assemble just as easy and there is no messy sealer to apply.
Paper Dust Collector System