SKII and SKIII welded air pipes are specially designed for use in air handling and extraction systems. They are made of strong and durable steel material that is able to withstand high temperatures and pressures. SKII and SKIII piping have excellent strength and are corrosion resistant, making them ideal for long term and demanding applications. Their welded construction ensures tightness and joint strength, ensuring efficient and safe operation of air handling and extraction systems. The ducts are designed to be easy to install and maintenance is minimal. Their reliability and high quality make these ducts the ideal choice for a wide range of industrial applications with predominantly abrasive dust. We manufacture 11375 steel pipe and stainless steel pipe in thicknesses from 1.5 to 8 mm.