Cv: 2·10E-6 to 6,6·10E-2  |  Max. Temperature: 70°C  |  Max. Pressure: 200 barg


Bronkhorst is an experienced European supplier of mass flow controllers. The technology to control mass flow can also be used for pressure control. In 2016, PCS and Bronkhorst co-developed a high-pressure electronic pilot controller to set the reference pressure on an Equilibar dome-loaded back pressure regulator up to 200 bar. This resulted in a multi-channel PID controller and calibrated pressure sensor being fitted in a housing containing two proportional valves specially designed for high pressure.

In 2018, the 2.0 version of this extension of Bronkhorst’s El-Press series – the PPC – was launched on the Achema conference in Germany. Since that launch, we have applied the regulators frequently. Both to pilot the Equilibar dome-loaded back pressure regulator as well as a stand-alone dead volume pressure controller.

The instrument communicates both analog ((0)4…20 mA or 0..5(10Vdc)) and digital (RS-232) and can be fitted with bus communication like EtherCAT, ProfiNet, Profibus, Modbus, DeviceNet, FlowBus, Canopen.

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PCS – Electronic Pressure Controller –  Dual Valve Controller running at 150 barg hydrogen

PCS-200P Bronkhorst PPC

Dual Valve pressure controller with 6mm OD compression type fittings