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...
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
Metering Tip Installation and Removal of Broken Tip – Video
This short video demonstrates how to use the metering tip driver to carefully install a metering tip and how to remove a broken tip.
Sentry™ Maintenance
The Lafferty Sentry™ features a stainless steel mechanical pump that is field-tested up to 1 million strokes. This post explains possible performance issues that can be rectified in the field with simple cleaning or...
Part Details: Air Check Valves #491302 & 491306
How to disassemble air check valves for inspection and cleaning.
Part Details: Watts Series 9D Backflow Preventers #270298, 270299
Backflow preventers are a critical aspect of any chemical dilution equipment. The Watts Series 9D Dual Check Valve with Intermediate Atmospheric Vent is suitable for many installation situations.
Benefits of Water & Air Pressure Gauges
Know the actual water and air pressure to easily install, calibrate and troubleshoot water-driven equipment.

























