Lafferty Learning Center

Venturi Proportioning – Principles of Operation

Many Lafferty products use the venturi effect to dilute chemicals by drawing concentrates into the water stream on demand.

Liberty LC Foamer

ON-DEMAND CHEMICAL DILUTION provides many operational and maintenance advantages compared to typical air pump foamers that need to be filled with ready-to-use chemical.

Check Valve Chemical Compatibility

Most check valves are available with Viton, EPDM or Kalrez seals and stainless steel or polypropylene bodies. Check valve substitutions for new equipment are available at the time of purchase.

Product Catalogs

Professional and mobile-ready chemical application equipment catalog series for exploring and presenting the Lafferty product line.

View online, download for offline use, or print our complete range of interactive digital catalogs.

Welcome to the Lafferty Learning Center

Discover new products and learn how to select, install, operate, and maintain chemical application equipment. The Lafferty Learning Center presents decades of institutional knowledge, tips/tricks, and best practices in a visual multimedia format.

Product specific guidelines are provided in the Installation and Operation Instructions for each unit, which are available on the main Lafferty website.

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Winterization Guidelines

During winter months, outdoor chemical application equipment is often unused and left outside or put into storage. If the weather or storage environment is going to be near freezing (32° F), your system MUST be properly...


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