Lafferty Learning Center

General Information

Foam Cleaning Overview

Foam consistency (wet versus dry) plays a key role in maximizing the effectiveness of foam cleaning procedures. Cleaning objectives, chemical properties, and the available utilities (compressed air) will determine which type of foam equipment is...

General Information

ASSE 1055 Certified Mixing Stations

Select Lafferty Mixing Stations are certified to meet ASSE 1055, which is a widely-recognized standard for chemical dilution devices with an integral method of backflow prevention. Operators and inspectors can be confident that ASSE 1055 certified...

General Information

Venturi Proportioning – Principles of Operation

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

General Information Technical Troubleshooting

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.

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.