Hydrogen Fuel Cell Flow Control Valves & Regulators

Mark 708 Series ⟶

Precision Control, Fractional Flow Control Valve

JR Series ⟶

High Pressure / Low Flow Pressure Regulating Valves | Quick Ship Available

JRPH/JRPL Series (1/4″) ⟶

Piston Operated Pressure Regulating Valve

JRPH/L Series Piston Operated Pressure Regulator

JRPH/JRPL Series ⟶

Piston Operated Pressure Regulating Valve

JB Series ⟶

Gas Back Pressure Regulating Valve | Quick Ship Available

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Fuel cell development and testing require clean, precise control of low-flow gas streams. Fractional flow valves provide the tight shutoff and accurate metering needed to manage hydrogen and reactant feeds, where even minor leakage or drift can distort performance data and compromise results.