$230.40
It is a non-contact seal that prevents oil and gas from leaking along the rotating shaft. Each pump requires four of these seals . If you are rebuilding your 306 or 310 booster pump, this is the correct OEM part.

LABYRINTH SEAL ROTATING 306/310

LABYRINTH SEAL ROTATING 306/310
A labyrinth seal is a special type of mechanical seal. It does not touch the rotating shaft. Instead, it has a series of precision-cut grooves and ridges.
This rotating labyrinth seal is designed specifically for two pump models:
Stokes 306 Mechanical Booster Pump
Stokes 310 Mechanical Booster Pump
These are rugged, industrial-grade booster pumps (also called Roots blowers). The 306 model has a displacement of 125 CFM, while the 310 model has a displacement of 400 CFM . They are often used together with other vacuum pumps to increase pumping speed and reduce pump-down times.
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10 in stock
10 in stock
10 in stock
10 in stock
10 in stock
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