... . Sealing ring-O/V ring Material 1.Mating rings: sic , tungsten carbide, carbon graphite,etc2. O-ring: Fluorine rubber/EPDMThe mechanical seal ... ,pulp water,etc. Characteristics 1. Mechanical seal performance is stable and reliable.2.The service life is loog. QAWe have acquired ... . APPLICATION Mmechanical seals are used in pumps, blowers, agitators, compressors, and other rotary shaft equipment.