The Low Flow regulators (or: standard multi-orifice regulators) in the Equilibar® Research series are most popular because they serve almost every research application. For instance, they can achieve stable pressure control in ultra low flow applications from subatmospheric pressure up to 690 bar (10.000 psi).
The unit, based on the multiple orifice concept, have four inlet orifices. Therefore, it is similar to all other research series back pressure regulators. The outlet contains two orifices, making it more suitable for two-phase flow. The diaphragm is pushed slightly into the orifices creating an almost perfect seal and great low flow performance. Furthermore, these back pressure regulators can control stable pressure over a Cv range of 1:100.000 in open loop control.
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