Mechanical seal unit, particularly for a fire extinguishing pump

Mechanical seal unit, particularly for a fire extinguishing pump

The present invention refers to a premounted mechanical seal unit, particularly for a fire extinguishing pump, with a rotating seal ring a stationary seal ring, the rotating seal ring and the stationary seal ring defining a seal gap thereinbetween, an inner sleeve which is connected to the rotating...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: SVEJKOVSKY REINHARD, HOLZAPFEL THOMAS, RIES WOLFGANG
Format: Patent
Sprache:eng
Schlagworte:
BLASTING
CYLINDERS
ENGINEERING ELEMENTS AND UNITS
GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS
HEATING
LIGHTING
MECHANICAL ENGINEERING
NON-POSITIVE DISPLACEMENT PUMPS
PISTONS
POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS
PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
SEALINGS
THERMAL INSULATION IN GENERAL
WEAPONS
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Beschreibung
Zusammenfassung:The present invention refers to a premounted mechanical seal unit, particularly for a fire extinguishing pump, with a rotating seal ring a stationary seal ring, the rotating seal ring and the stationary seal ring defining a seal gap thereinbetween, an inner sleeve which is connected to the rotating seal ring, an outer sleeve which is connected to the stationary seal ring, and a securing element which secures the outer sleeve to the inner sleeve. The inner sleeve and the outer sleeve in axial direction each have a length greater than a sum of the axial lengths of the rotating seal ring. The inner sleeve has a first form closure device on a first axial end and a second form closure device on a second axial end.