Gasket Ring 1.Graphite,PTFE and asbestos as filler 2. -200-600 degree 3.Complete seal ability 4.Used in pumps, ... hoop band and different kinds of filling material. It is used in flange joint of value, pump, heat exchanger, ... ship-building, machine, atomic energy, space navigation.Hoop/Inner/Outer Ring Material: Ocr13, 304SS, 304LS, 316SS, 316LSS, Low Carbon Steel ... 2010-12-30 18:13:54 gasket with ring