Sealing system and exhaust gas recirculation valve

An exhaust gas recirculation valve, comprising:

• a sealing system comprising:
• an upper sealing assembly;
• and
• a lower sealing assembly;
• a housing surrounding the sealing assembly;
• a valve body located in the housing;
• a valve stem extending into the housing, the valve stem surrounded by the upper sealing assembly and the lower sealing assembly;
• a bushing disposed around the valve stem, the valve stem guided by the bushing during movement of the valve stem, the bushing having an upper end and a lower end, wherein the upper sealing assembly is disposed at the upper end of the bushing, and the lower sealing assembly is disposed at the lower end of the bushing;
• an upper spacer maintaining a position of the upper sealing assembly relative to the bushing;
• a lower spacer maintaining a position of the lower sealing assembly relative to the bushing;
• a carbon scraper disposed below the lower sealing assembly, the scraper scraping carbon deposits from the valve stem during movement of the valve stem;
• and
• a void defined by the lower spacer and the carbon scraper;
• wherein the sealing system is disposed between the housing the valve stem, the sealing system is fitted on the valve stem preventing exhaust gas from entering an interior of the valve body.