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.
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Pail/Jug Mount Systems
These convenient container-mounted configurations are the perfect solution when wall-mounted equipment is impractical.
Universal Mounting Base
Mount any Lafferty unit on this polypropylene board to allow for easy installation on uneven surfaces or quick removal for maintenance.
Installation Procedure for Water-Driven Venturi Systems
This video tutorial demonstrates how to install water-driven venturi system to dilute and apply cleaning and sanitizing chemicals.
Pump Fed Foggers Overview & Installation
Pump Fed Foggers receive ready-to-use chemical solution from a Central Chemical Feed System. Air and chemical solution flow can be activated manually or activated in multiple zones using Vision Fogger Controllers.
Part Details: Air Check Valves #491302 & 491306
How to disassemble air check valves for inspection and cleaning.
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.
