Severe Services and Demanding Requirements

Equilibar Back Pressure Regulators

Our BPR’s can process two-phase flow while maintaining high precision.

Our Research Series offers flow control down below 0.001 ml/min.

Equilibar back pressure regulators are sensitive to 0.001 psig / 0.069 millibar(g) and can control set-points down to 0.02 psig / 1.38 millibar(g).

Our Research Series back pressure regulators are commonly used up to 7000 psig / 482 bar(g).

Using Kalrez FFKM o-rings, Equilibar back pressure regulators can be used up to 300°C. We also have an HT1 beta regulator using graphite seals that can be used up to 450°C.

Using HPLC tube fittings, our Research Series back pressure regulators have as little as 0.2 millilieter dead volume.

Equilibar offers products for the world’s most aggressive chemicals, featuring bodies of PTFE, Hastelloy C, titanium. Standard offerings feature Stainless Steel T316L.

Equilibar back pressure regulators can control the output pressure of virtually any pump.


There are many ways that our back pressure regulators can be used to control gas pressure with precision.

Our FD Series offers several options for sanitary applications in the food and BioPharma sectors.

Select one of the severe services listed above for more information.

Contact our application engineers to discuss your severe service requirements. In many cases, we are able to specify custom o-rings or diaphragms to meet your demanding requirements.





Equilibar News

Schematic of pressure control for product filling machine

Application Spotlight: Sanitary Product Filling

We’re looking forward to the upcoming InterPhex BioPharma trade show with this spotlight on Equilibar’s FD Series of sanitary back pressure regulators. These specialty regulators are well suited for a wide variety of sanitary applications, including product filling. Product filling typically involves the use of high speed filling machines to quickly fill bottles or containers […]

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