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How To Remove Sand From Well Water With a Centrifugal Sand Separator

Diving deeper into our focus on well water treatment systems for removing sand and sediment, we will now examine the benefits of centrifugal sand separators:

In a centrifugal sand separator, the water rushes through the device and the centrifugal forces sling large particles, sand, debris, and sludge outward to the separator wall and downward in a spiral motion.

Gravitational force pulls the separated solid particles downward past the spin trap plate into the solids holding chamber. Cleaned water then rises through the vortex locator and returns back to the plumbing system.

centrifugal sand separator diagramThese systems have no screens, slotted baffles, moving parts or filter media so there is no pressure loss.

No maintenance is required, however periodic opening of the purge valve is necessary to flush out accumulated solids. Purging can be done manually or an automatic flush valve can be used. They can also be quite economical as they can protect entire water systems from abrasive wear, clogging, and premature replacement.

Centrifugal sand separators are effective in removing over 98% of all 200 mesh sized particles (74 microns) and greater. If finer filtration is needed, it should be followed by another type of secondary filter to take out the finer particles.

Lakos Sandmaster

We recommend the Lakos Sandmaster for most residential and irrigation needs. If your sand and sediment is of a normal size, that is, 74 microns or larger, the Sandmaster will have no trouble filtering it from your water.

installation schematic for lakos sandmaster

Lakos Separator

For larger systems or applications such as irrigation, we recommend the Lakos Separator which can handle up to 290 GPM.

lakos separator
Pictured: Lakos Separator

 If you still have questions, don’t hesitate to e-mail us at [email protected], leave us a message on Facebook, or use our online contact form for prompt, personalized assistance from our trained professionals.  Thanks for reading!


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  • Clean Water Systems & Stores, Inc., Water Treatment Equipment,Service & Supplies, Santa Cruz, CA

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