Flexible Graphite Sheet/Roll : 1.Bore size:3-200mm 2.Outside Dia:5-240mm ... , tungsten carbide, carbon graphite,etc2. O-ring: Fluorine rubber/EPDMThe mechanical seal permits accommodation of many different fluids by using of ... oil,liquidized hydrocarbon,acid,alkali,pulp water,etc. Characteristics 1. Mechanical seal performance is stable and reliable.2.The service life ...