H2 Purge & Drain Valve - Shut-Off Valves

ETO GRUPPE TECHNOLOGIES GmbH

Shut-off valve
Media separation
Customized interface
Suitable for fuel cell applications

The H2 Purge & Drain Valve (P&D) is a specialized valve designed for use in fuel cell applications. It offers shut-off functionality, media separation, and a customizable interface. With a nominal diameter up to 3.5 mm, it operates within a voltage range of 9 to 16 V or 18 to 32 V, and has a nominal current of 2 A. The valve is capable of handling inlet pressures up to 4 barA and has a response time of approximately 20 ms. It ensures minimal H2 leakage at 5E-4 mbar l/s and is rated for a temperature range of -40 to 110 °C. The valve is actuated via PWM (Peak & Hold) and meets IP6K9K protection standards. Ideal for precise and efficient gas management in fuel cell systems.

Use Cases

Fuel cell

Capabilities

Designed specifically for fuel cell applications, the valve ensures reliable purging and draining of hydrogen to maintain system efficiency, safety, and longevity.
With a response time of ~20 ms, the valve provides rapid shut-off, enabling accurate control during dynamic operating conditions and emergency scenarios.
The integrated media separation capability prevents cross-contamination, protecting sensitive fuel cell components and improving overall system robustness.
Featuring customized interfaces and PWM (Peak & Hold) actuation, the valve supports multiple voltage ranges (9–16 V / 18–32 V), enabling seamless integration into various system architectures.

ETO GRUPPE TECHNOLOGIES GmbH ETO GRUPPE, a German actuator and sensor manufacturer with more than 75 years of experience, specializes in high-quality electromagnetic components setting standards for modern vehicles and industrial systems, including a dedicated portfolio of solenoid valves and sensors engineered specifically for hydrogen applications. ETO's hydrogen solenoid valves and pressure sensors are designed to be highly leak-proof and resistant to high pressures and low temperatures, meeting the highest safety, material resistance, and reliability requirements across industry, passenger cars, and commercial vehicle hydrogen applications. In passenger cars, ETO solenoid valves control hydrogen refueling and withdrawal while pressure sensors monitor tank pressure; in industry, ETO solenoid valves control hydrogen flow within production systems; and in commercial vehicles, the company's pneumatic and hydraulic solenoid valve technology (developed over 75+ years for medium- and heavy-duty trucks) extends to hydrogen valve and sensor applications alongside existing product lines for air suspension, braking, clutch, and engine systems. With reported revenue exceeding $444 million and recognized global leadership in solenoid valves for commercial vehicles and two-pin actuators for passenger car camshafts, ETO GRUPPE continues expanding its hydrogen technology portfolio as part of its focus on electromagnetics and automation for future mobility.

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