1.We applied the "multi － faceted type centrifugal sealing device", which get rid of traditional filling seals, packing seals, mechanical seal, thoroughly overcome " running, emitting, dripping and leakage," and it is an ideal substitute to original long shaft pump, submersible pump and sewage pumps.
2.The service life of sealing device is 10 times of similar products, without wear and abrasive in operation.