KSD – From liquid line and suction line handling to unique insulation applications and packaging, every line set meets rigorous standards for quality and consistency so our customers can be confident they’re using the best line set on the market. With a full line of liquid line and suction line diameters, insulation thicknesses, custom ends and connections – plus a wide array of custom options (lengths, connection assemblies, etc.), we’re able to provide a solution for our customers’ most specialized needs.