Control Valves - M-Flow

Vögtlin Instruments GmbH

High-precision control valves for gases and liquids
Precisely adjustable 15-turn micro valve, practically hysteresis-free
Tightly closing needle valve design
Multiple rotary knob options, including digiturn with display
Available in anodized aluminium or stainless steel bodies

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The M-Flow is a high-precision control valve designed for gases and liquids, offering precise adjustment and tight closing capabilities. It features various rotary knobs, including a digiturn knob with a display and 100 divisions, allowing for accurate flow control.
The valves are available in anodized aluminium or stainless steel 1.4305, with sealing materials such as FKM, EPDM, or FFKM. The M-Flow 25 model includes a digiturn rotary knob with a display, and the valves come with a 3-year warranty.
They are customizable and offer different Kv-values for optimal control ranges, making them suitable for a wide range of applications. The M-Flow is known for its high-quality components and reliable performance, ensuring long and trouble-free operation.

Use Cases

Typically used in hydrogen and related industrial applications

Capabilities

Precise manual flow control of gases and liquids using needle valve technology
Operation at pressures up to 40 bar
Operation over a temperature range of −40 °C to +100 °C
Selection of different Kv-values for optimized control ranges
Configurable mechanical interfaces and materials for customer-specific integration

Vögtlin Instruments GmbH VÃ¶gtlin 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, VÃ¶gtlin 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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