BPR — Back-Pressure Regulator
Back-pressure regulator for microfluidic and HPHT circuits: stable pressure up to 60 MPa, media temperature up to 140 °C, pneumatic set point.
| Max working pressure | 60 MPa |
|---|---|
| Max media temperature | 140 °C |
| Working media | water, oil, gas |
| Set-point control | compressed air |
| Diaphragm material | PEEK / stainless steel / PTFE |
| Body material | 12Kh18N10T (AISI 321) stainless steel |
| Connection | 1/16 NPT, 1/8 NPT, others on request |
| Scope of supply | regulator, 5 spare diaphragms, 5 O-rings |
| Warranty / service life | 12 months / 5 years |
The BPR is installed at the outlet of the experimental circuit and maintains a set back pressure. This lets you reproduce high-pressure conditions and obtain comparable data on microfluidic, reactor and test rigs, while protecting pumps, chips, reactors and sensors from pressure swings.
The set point is defined by compressed-air pressure. A flexible diaphragm shuts off flow until the fluid pressure exceeds the set value; the passage then opens, the excess is released and system pressure stabilizes — including when flow rate, viscosity or phase composition change. Pneumatic control makes it easy to integrate into automated rigs.
The 12Kh18N10T (AISI 321) stainless steel body and PEEK diaphragm handle water, oil and gas, including aggressive and contaminated fluids. Five spare diaphragms and five O-rings are included.
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