A high vacuum flange seal

The utility model discloses a high vacuum flange sealing element which comprises a first flange plate and a second flange plate, one end of the first flange plate is fixedly connected with the secondflange plate, an installation protrusion is arranged on one side of the first flange plate, external...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	KUANG YONGKE, CHEN MENGLU
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING JOINTS OR FITTINGS FOR PIPES LIGHTING MEANS FOR THERMAL INSULATION IN GENERAL MECHANICAL ENGINEERING PIPES SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	The utility model discloses a high vacuum flange sealing element which comprises a first flange plate and a second flange plate, one end of the first flange plate is fixedly connected with the secondflange plate, an installation protrusion is arranged on one side of the first flange plate, external threads are arranged on the outer wall of the installation protrusion, and an installation groove is formed in one end of the second flange plate. According to the utility model, the flange plate mounting part is sealed through the sealing device; the sealing device is pressed by a sealing ring anda sealing rubber ring; the sealing rubber ring is pressed to expand; the sealing ring is tightly connected with the flange plate; the sealing rubber ring extrudes air in the cavity and discharges theair through a pipeline; the flange sealing device has the advantages that the structure is simple, the design is novel, the installation and the operation are convenient, the high vacuum property ofa flange sealing element is