Profile: Nicholson Sealing Technologies Ltd. specializes in the design & manufacture of high temperature metal seals, gaskets, and ancillary components for the aerospace, automotive, turbocharger, oil and gas, power generation, and process industry sectors. The C-Seal is the most widely used of all the types of resilient metal seals. It can be produced from the smallest (<10 mm) to largest (>2000 mm) of sizes to accommodate internal, external, and axial sealing conditions. The sigma seal is a low load flexible metal seal for use at high temperatures and pressures. Single bellow or multiple bellows can be incorporated in its design, making it suitable for sealing the most demanding of applications.