Manufactured to the highest quality standards, O'Keefe Controls Co. Metal Orifices, Sapphire Orifices, and our signature MICRO-ORIFICES® are each available with unique features, and in a wide range of configurations and connections to address applications across all industries. Discover the many styles, features, and typical applications in our 2-min video.

Have a small or miniature industrial application that requires a checking function?

O''Keefe Controls Co. offers a host of Check Valves in both in-line and integral design classes, suitable for a broad range of small and miniature industrial applications. Like all O''Keefe Controls Co. products, these devices are manufactured with the highest level of quality control standards, earning them the long-standing, well-deserved reputation of being consistently accurate, repeatable and reliable.

In our 2-minute video, we delve into the different design classes along with the the styles offered, features and typical applications for each.

Concerned that flow adjustments might affect process performance?
In applications where ideal process parameters are known and need to be maintained, O''Keefe Controls Co. Tamperproof Flow Controls provide the ideal solution. These "fixed" flow controls ensure reliable, consistent, flow over a long, trouble-free operating life.
Learn about the three different types offered and the features and typical applications for each.

Need additional particulate protection for critical components?
Adding another level of particulate control to a system beyond your filtration system, O''Keefe Controls Co. Miniature In-Line Screens & Breathers protect precision orifices and other critical components from damage or impaired performance due to clogging or reduced flow rate.
Discover the various types offered, particulate retention sizes, fittings and connections, and more.