H2 Flow Control Valve - High Pressure

ETO GRUPPE TECHNOLOGIES GmbH

High pressure capability
Proportional valve design
Customized interface
Suitable for DI & PFI applications
Low hydrogen leakage

The H2 Flow Control Valve - High Pressure is a high-pressure proportional valve designed for precise hydrogen flow control. It features a linear flow characteristic, an integrated shut-off valve, and customizable interfaces with various connectors such as Deutsch and DIN. Suitable for applications like fuel cells, electrolyzers, and H2 ICE, as well as DI and PFI systems. Offers high reliability with a response time of approximately 25 ms and minimal hydrogen leakage of 5E-4 mbar l/s. The valve operates using PWM (current control) and is rated for a nominal diameter of 2.9 mm, with a voltage range of 22 to 32 V and a control current range of 0.6 to 1.2 A. It can handle inlet pressures up to 45 bar and has a burst pressure rating of 110 bar, operating within a temperature range of -40 to 125 °C. Its high precision and durability make it an ideal choice for demanding hydrogen-related applications.

Use Cases

Fuel cell
Electrolyzer
H₂ Internal Combustion Engines (H2 ICE)

Capabilities

Controls hydrogen flow proportionally and precisely.
Delivers a linear flow characteristic for accurate regulation.
Handles high inlet pressures up to 45 bar.
Integrates a reliable shut-off function.
Supports customized interfaces and multiple connectors.
Operates reliably in harsh environments (IP6K9K, −40 °C to +125 °C).

ETO GRUPPE TECHNOLOGIES GmbH ETO GRUPPE is a global leader in high-precision electromagnetic actuators, sensors, and valves with over 75 years of engineering expertise. Through its specialized Hydrocene portfolio, the company provides mission-critical components for the entire hydrogen value chain, including fuel cell systems, electrolyzers, and industrial applications. ETO combines automotive-grade reliability and high-volume production capabilities with specialized hydrogen standards like IP6K9K protection. As a six-time TOP 100 innovator and a foundation-managed enterprise, the group is committed to achieving full climate neutrality by 2039 and maintaining a safety-first culture. Their modular technical solutions ensure precise control and measurement for both high- and low-pressure hydrogen environments.

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