May I ask, with an external mechanical seal, can one see from the outside of the pump whether the friction surface is rotating?

2017-05-10View Original

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May I ask, with an external mechanical seal, can one see from the outside of the pump whether the friction surface is rotating?

Reply #22017-05-10

WB2 mechanical seal, rotational movement of the dynamic ring surface at the seal end

Reply #32017-05-10

Doesn’t the seal surface of this pump’s mechanical seal need to be flushed and cooled in the photo?

Reply #42017-05-10

This type of mechanical seal features self-lubrication and does not require flushing or cooling

Reply #52017-05-10

Hehe, we have another one of this thing here

Reply #62017-05-10

All the acid and alkali discharge pumps here use this type of external seal. The spring is placed outside the working medium and is not subject to corrosion.

Reply #72017-05-11

It can be seen that the moving ring is in motion; no flushing is required, and the medium provides lubrication

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