Mid-West Associates
Manufacturer's Representatives in Southern California
And Southern Nevada Since 1996
Representatives For


Cornell Pump, (Oregon USA), has been involved in municipal installations since the 1960's.  High heads of 800 feet, robust Solids handling capabilities, and patented Cycloseal®, standard product selections and decades of experience for:  Solids handling (1.25” – 30”), Slurry pumps, Chopper, Cutter, Immersible, Submersible, Self Prime, D.A.F Pumps, and Hydro Turbine.

Established in 1913, HDL has successfully transformed into the leading supplier of Ball Check Valves. HDL Ball Check Valves are ideally suited for all situations, where liquid containing solid particles cannot be allowed to flow backwards, without the danger of clogging the line. We offer Ball Check Valves between .25” - 24”.

Established in 1940, Indar makes submersible sewage pumps starting with a 12" discharge, going up to 30" discharge sizes. The motor limit is currently at 7500 hp for wet or dry pit applications.

Filtration and separation systems including sand separators, media filters, self-cleaning screw filters pump and intake screens.  The municipal water filter products meet the needs of a demanding industry with NSF 61 Annex G certification, third party performance verification, and ASME Code options.  The Public Works Certified (PWC) centrifugal separator is a special design to meet the unique requirements of municipal water systems.  Click here for Sample Lakos Applications.

For over a decade, Liberty Process Equipment has been a leader in the field of economically priced progressive cavity pumps and replacement progressive cavity pump parts in North America.  Liberty Process Progressive Cavity Parts are machined to exacting tolerances in hardened steels with chrome and Duktil coatings and with our stators phenolic compounds to offer comparable and stable pumping performance and efficiency under standard operating conditions in the toughest of environments.


Liquid Analytical Resource, LLC, is dedicated to helping customers lower their processing costs while improving water quality, and reducing non-compliant waste through online process monitoring, analysis and control.  Parameters include: TOC, COD, BOD, nitrogen, toxicity, respiration inhibition, dissolved oxygen, pH, ORP, conductivity, suspended solids, turbidity, and oxidants such as chlorine, chlorine dioxide, ozone, peracetic acid, and more.


Manufacturers of dry media air cleaning systems.  Purafil's patented, spherical, porous pellets are comprised of different chemical compounds such as activated alumina, sodium permanganate, activated carbon, and potassium permanganate.  They remove gaseous pollutants from the air through a unique chemical process known as chemisorption.  During chemisorption, the media converts harmful gases from the air into harmless materials that are trapped inside the pellet.  This process is instantaneous and irreversible.  Municipal Odor Control, Corrosions Control and Emergency Gas Scrubbers. 

Clarifiers, DAF and oil and water separators, and complete chemical treatment process.


Mid-West Associates
4070 Palm St.
Unit 703
Fullerton, CA 92835
Phone # (714)441-0950
Fax # (714)441-0951
Email: info@mid-westassociates.com

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