This is a set of 7 carbon vanes for Rietschle dry running rotary vane vacuum pumps . These vanes are designed specifically for the DLT40 and VLT40 models.
This shaft seal is made to fit two specific pump models :
Rietschle VLT40
Rietschle DLT40
Both pumps are dry-running rotary vane vacuum pumps . They use carbon vanes and have no oil in the pumping chamber. However, the shaft seal still needs to seal the bearing areas.
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