Welcome to: Yeary Controls "The Valve Works!"
This is where we inform our customers, Reps, and peers about our ongoing efforts to develop new valve and control products, improvements and technologies. This is also where We post relevant articles, industry standards, and "white papers" about, or related to,  our new and existing products.

March 10, 2017

Cavitation is the implosion of tiny vapor bubbles in a liquid when the static pressure reaches the vapor pressure of the specific liquid. This happens when, due to a high pressure differential across a valve, the resultant high velocity lowers the static pressure. Cavi...

August 10, 2016

This article is written not to teach the reader HOW to size control valves, but how to look at a valve data sheet and know if the factors fall within the proper range, and thus if the information can be trusted. The factors that go into valve sizing are covered, and a...

August 20, 2015

This article is about some of the newer technology on the market for butterfly valves. What we have see traditionally in butterfly valves is a severe lack of control outside of the "sweet spot", which is between about 20% and 60% of rated Cv. The curve, instead of...

April 6, 2015

The Sharktooth control cartridge is a patented product designed by Yeary Controls. It works by attaching to the downstream side of the butterfly valve and thus modulates the flow and breaks up the cavitation/aerodynamic jets. This product allows a butterfly valve to be...

August 9, 2014

INTRODUCING! The Yeary Controls "RingMaster" TM Seating Technology which cures what is considered by many to be the "Achilles Heel" in trunnion ball valves... ie., the fouling of the space behind the seat rings because of the build-up of scale and debris which the...

July 15, 2014

Our first Variable Area Diffuser "VAD" was successfully tested back in December of 2013, at Utah State University Water Research Laboratory. In this video you will see, and hear, a 3" VAD as it eliminates the cavitation and noise accross an ordinaty gate valve that is...

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Yeary Controls is currently working on expanding our rep/distributor base. Please contact us if you are interested in representing our products. Current reps can login here

This section is about our on-going efforts to improve our existing products and to develop new technologies. Click to see what's in "the works", or take a look at our existing products.

Yeary Controls

1050 N. State St.

Chicago, IL 60610

Tel: 312-335-1012
Fax: 312-587-9210