Profile: Coniston Profiles offers seals, gaskets, and O-rings. We are an ISO 9001 certified company. We serve industries such as fabrication/site engineering, food, pharmaceuticals, process, oil & petrochemical, pipework engineering, heavy engineering, water & sewage, nuclear, mining, equipment manufacturing, marine & ship building, light engineering, and paper industries. Our oval & octagonal ring joint gaskets are designed to accommodate flat bottom groove flanges, and can be used on older round bottom type flanges.