DOUBLE-RING RUBBER WATER-TIGHT SEAL DEVICE AT RING OF CENTRIFUGAL PUMPING HOLE

The utility model provides double-ring rubber water-tight seal device at the ring of a centrifugal pumping hole, which is suitable for a centrifugal pump operating with a closed impeller. The utility model utilizes a double-ring rubber water-tight seal device which is arranged at the ring of a centr...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	ZHENG DONGLI
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING HEATING LIGHTING MECHANICAL ENGINEERING NON-POSITIVE DISPLACEMENT PUMPS POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS WEAPONS
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