... 2.seal ring 3.quick delivery time and best service 4.export for 19 years SiC Seal Ring Design ... 1.Sic mechanical seal2. Sealing ring-O/V ring Material 1.Mating rings: sic ... , tungsten carbide, carbon graphite,etc2. O-ring: Fluorine rubber/EPDMThe mechanical seal permits accommodation of many ... , compressors, and other rotary shaft equipment. SiC Seal Ring