Pure Graphite Ring Flexible Graphite mould ring / flexible graphite filling ring/expanded graphite molding ring /die formed graphite ring [Technical Parameter] Materials: Flexible graphite, stainless steel Temperature: -200-2000 (under non-oxidation condition) Pressure: 32Mpa [Main Uses] Applicable to the stuffing and sealing of pump and valve [Specification] 6-500mm and various expandable graphite stuffing ring Please provide us drawing.