Flange connection sealing device

A flange connection sealing device comprises an upper flange plate, a lower flange plate is mounted on the lower portion of the upper flange plate, multiple first screw holes are formed in the upper flange plate, multiple second screw holes are formed in the lower flange plate, bolts are mounted in...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	XU YINGFANG
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING CYLINDERS 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 PISTONS SEALINGS SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	A flange connection sealing device comprises an upper flange plate, a lower flange plate is mounted on the lower portion of the upper flange plate, multiple first screw holes are formed in the upper flange plate, multiple second screw holes are formed in the lower flange plate, bolts are mounted in the first screw holes, and the lower ends of screw rods of the bolts are matched with the second screw holes. The flange connection sealing device is high in airtightness. A first fixing ring and a first fixing groove of the flange connection sealing device are matched to form a primary sealing structure, and a second fixing ring and a second fixing groove of the flange connection sealing device are matched to form a secondary sealing structure. The primary sealing structure and the secondary sealing structure greatly increase the airtightness of the flange connection sealing device, and the sealing effect of the flange connection sealing device is improved.