Equilibar Back Pressure Regulators
Equilibar is a US manufacturer of exceptional back pressure regulators and one of Proportion-Air’s most valued partners in the world of pneumatics. Equilibar back pressure regulators deliver reliable performance for many of the world’s most complex and difficult process conditions. The Equilibar back pressure regulator is a new type of back pressure regulator offering more than 5X the flow stability of traditional spring regulators. The dome-loaded design precisely matches your process pressure to a pilot set-point signal, even through wide flow rate ranges.
These back pressure regulators are often controlled electronically (with Proportion-Air pilots) to provide remote control of a process, improve repeatability and virtually elimiate hysteresis & deadband. We are proud and grateful to have the opportunity to pair our products with these unparalled back pressure regulators.
Precision Equilibar Back Pressure Regulators
The Equilibar back pressure regulator uses a fully friction-less design that is dramatically more precise than ordinary back pressure regulators – especially in the low and medium pressure ranges.
Patented technology provides unparalleled precision and ease of automation
This unique approach also provides much greater support for ultra low pressure applications and very low flow applications. The Equilibar achieves its precision by providing a fluid set-point pressure to the top of the diaphragm.
The Equilibar offers unmatched performance in very low pressure ranges, with excellent control down to about ½” water column (0.02 psi). Depending of flow and body size, it can easily achieve precision better than 0.25″ H2O (0.01 psi).
What other features make the Equilibar unique?
- Spring-less; a special flexible diaphragm is the only moving part
- Compatible with problematic shear sensitive applications
- Simple, sanitary design compatible with pharmaceutical or food applications
- Extremely fast response
- Dampens system pulsations
- Reference pressure can be a second process fluid (fluid pressure balancing)
How can I use the Equilibar® to automate my process?
The Equilibar excels at computer automated applications. By connecting a Proportion-Air electro-pneumatic transducer to the reference port, the Equilibar back pressure regulator allows your process computer to vary process pressure with precision up to ±0.01 PSI! This could be used for everything from simple flow-rate control to to controlling reactor conditions in a research environment.
An electronically controlled air pressure regulator acting as the pilot adds additional benefits. Proportion-Air’s, MPV and QPV series control valves utilizing proportional valve technology, make ideal pilot regulator for Equilibar precision dome loaded back pressure regulators.
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