... 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 ... oil,liquidized hydrocarbon,acid,alkali,pulp water,etc. Characteristics 1. Mechanical seal performance is stable and reliable.2.The service life is ...