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.
Post Archive
Pump-Up O-Ring Replacement Guide
Proactive preventative maintenance is important to ensure reliable performance.
Dilution Procedure for Water-Driven Venturi Systems
This video tutorial demonstrates how to dilute concentrated chemicals to the desired ratio using a Lafferty venturi applicator and metering tips.
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.
Compact Foggers
Compact Foggers are a fast and effective way to apply disinfectants and sanitizers at close range or for whole-room surface disinfection.
























