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Hydrogen Back Pressure Regulators

Hydrogen Back Pressure Regulator & Flow Controller - red-y Smart

Vögtlin Instruments GmbH

  • Automatic electronic pressure control with integrated flow measurement
  • On-the-fly switching between pressure and flow control modes
  • One device with three operating functions
  • Multigas capability (up to 10 gases or mixtures)
  • Profibus and Industrial Ethernet communication options

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Description Vendor
  • The red-y smart pressure controller is an advanced electronic pressure controller with integrated flow measurement. It combines reliable thermal mass flow controller technology with electronic pressure control, allowing it to automatically regulate a predefined process pressure while simultaneously measuring and/or limiting the flow rate.
  • This device offers maximum flexibility by enabling on-the-fly switching between pressure control and flow control. It combines three functions: pressure controller, pressure controller with flow measurement/limitation, and flow controller with pressure measurement. The controller features an inbuilt LED status indication, supports up to 10 different gases or gas mixtures, and is equipped with industrial Ethernet and Profibus interfaces.
  • It offers a 3-year warranty and high accuracy, with options for various control methods including direct control on the device, via PC with software, or through SPS systems. The device is available in two versions: GSP (pressure control) and GSB (back pressure control), with a wide range of accessories and integration options for seamless use in various industrial applications.

Use Cases

  • Pressure control of a pressure vessel containing a stable gas mixture for laser gas or welding applications.
  • Overpressure control of sterile chambers using flow as leakage indicator

Capabilities

  • Electronic pressure control for gases from 30 mbar up to 10 bar
  • Integrated thermal mass flow measurement and flow limitation
  • Back pressure control via reversed valve logic
  • Multigas operation with real gas calibration
  • Digital and analog I/O for industrial integration
Vögtlin Instruments GmbH Vögtlin Instruments GmbH is a manufacturing company specializing in mass-flow meters and controllers calibrated for hydrogen. The broader business is instrumentation-oriented, with sensors and analyzers supplied either as stand-alone instruments or embedded into machines, process skids, safety systems, laboratories, and plant automation so operating conditions can be measured and documented. The company’s products typically provide information to a larger control, safety, quality, or test system, making measurement accuracy, response behavior, interfaces, calibration, and environmental suitability part of the integration task. For hydrogen, the company’s actual role is defined by the specific pressure, flow, gas-detection, concentration, quality, temperature, electrical, or other measurement functions described in its portfolio; different suppliers cover different parts of this measurement layer. Its instruments measure and regulate low to medium gas flows in electrolyzer development, fuel-cell testing, laboratories, and process systems. The company provides compact digital flow devices and application support for precise hydrogen dosing and measurement. Within the hydrogen value chain, Vögtlin Instruments GmbH therefore supplies instrumentation, monitoring, or safety technology to OEMs, test organizations, plant integrators, infrastructure developers, and industrial operators handling hydrogen.
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