Lafferty Learning Center

Pulp, Paper and Printing

Chemical management and cleaning are involved at every step of the papermaking process. High-performing and low-maintenance equipment gets the job done right while reducing downtime and operating costs.

Venturi Proportioning – Principles of Operation

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

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...

Drum, Pail and Jug-Mounted Equipment

Lafferty manufactures venturi Foamers, Sprayers, and Mixing Stations that mount onto, and dispense directly from, containers of concentrated chemical.

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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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...

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...


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