Gaskets are sealing elements installed between mating flange faces. The compressive force applied when flanges are mated (due to bolt torqueing) keeps the gasket in position between the two flanges. Flange gaskets are split into three main categories. Non-metallic / Soft – Compressed non-asbestos fibre (CNAF), PTFE, rubber, ceramic fibre. Metallic / Hard – oval ring, octagonal ring. Semi-metallic / Composite – spiral wound, metal jacketed, […]