Professional hydrogen fuel cells manufacturer dedicated to the Hydrogen Fuel Cell membrane electrode (MEA), hydrogen fuel cell stack system, and other related equipment.

PEM Electrolyzer

H2Gatech 20–250 Nm³/h PEM Water Electrolyzer Stack

H2Gatech H2GMH Series large-scale PEM water electrolyzer stacks provide hydrogen production capacities from 20 to 250 Nm³/h. The series features high current density, stable operation, low energy consumption, and a modular design for easy system integration.

These electrolyzer stacks are suitable for industrial green hydrogen production, renewable energy storage, fuel cell hydrogen supply, hydrogen refueling projects, and customized hydrogen generation systems. Different models and configurations are available according to the required hydrogen capacity, operating pressure, voltage, and installation conditions.

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H2Gatech 20–250 Nm³/h PEM Water Electrolyzer Stack

Industrial-Scale PEM Water Electrolysis Systems

H2Gatech PEM water electrolysis systems enable high-efficiency, zero-emission hydrogen production through advanced electrochemical technology. By splitting water into hydrogen and oxygen using renewable electricity, our systems deliver high-purity hydrogen with fast dynamic response and stable performance. With capacities ranging from small-scale units to industrial systems up to 250 Nm³/h, H2Gatech offers reliable, scalable, and clean hydrogen generation solutions for the next generation of energy applications.

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H2Gatech 20–250 Nm³/h PEM Water Electrolyzer Stack

Number of Cells

The electrolyzer stack is composed of multiple electrochemical cells, configured according to the required hydrogen production capacity.

H2Gatech 20–250 Nm³/h PEM Water Electrolyzer Stack

Hydrogen Pressure

Hydrogen is produced at low to medium pressure, suitable for laboratory use and distributed hydrogen applications.

H2Gatech 20–250 Nm³/h PEM Water Electrolyzer Stack

Ambient Temperature

Designed to operate reliably under typical indoor and outdoor ambient conditions.

H2Gatech 20–250 Nm³/h PEM Water Electrolyzer Stack

Humidification

The system adopts a self-humidifying design, simplifying system integration and operation.

H2Gatech 20–250 Nm³/h PEM Water Electrolyzer Stack

Electrolyzer Stack Weigh

Compact and lightweight stack design, suitable for laboratory and distributed installations.

H2Gatech 20–250 Nm³/h PEM Water Electrolyzer Stack

Power Interface

Designed for connection with an external DC power source or rectifier system.

H2Gatech 20–250 Nm³/h PEM Water Electrolyzer Stack

System Efficiency

High electrolysis efficiency optimized for small-scale hydrogen production and testing applications.

H2Gatech 20–250 Nm³/h PEM Water Electrolyzer Stack

External power supply

External power supply can be provided by H2Gatech or sourced by the customer.

Scalable hydrogen output up to 250 Nm³/h

Experience the performance and reliability of industrial-scale PEM water electrolysis for large-volume green hydrogen production. H2Gatech PEM water electrolyzer systems efficiently convert electrical energy into high-purity hydrogen through advanced electrochemical water splitting, delivering zero-emission operation and high energy efficiency. Engineered for integration with renewable power sources and industrial energy infrastructure, our systems provide fast dynamic response, stable long-term operation, and scalable hydrogen output up to 250 Nm³/h. With a robust, modular, and low-maintenance design, H2Gatech enables dependable hydrogen generation for industrial, energy storage, and infrastructure-scale applications.

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H2Gatech 20–250 Nm³/h PEM Water Electrolyzer Stack
H2Gatech 20–250 Nm³/h PEM Water Electrolyzer Stack

Powering the Hydrogen Economy with PEM Water Electrolysis

As global energy infrastructure shifts toward decarbonization, hydrogen production must be clean, efficient, and scalable. H2Gatech PEM water electrolysis systems enable green hydrogen generation by converting electrical power into high-purity hydrogen through advanced electrochemical processes. Optimized for renewable energy integration and on-site hydrogen production, our systems deliver fast dynamic response, stable long-term operation, and flexible capacity expansion. With a robust, low-maintenance design, H2Gatech provides reliable PEM electrolyzer solutions to support the transition toward a sustainable hydrogen economy.

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H2GMH Series
ModelH2G-20H2G-30H2G-40H2G-50
Hydrogen Production20 Nm³/h30 Nm³/h40 Nm³/h50 Nm³/h
Oxygen Production10 Nm³/h15 Nm³/h20 Nm³/h25 Nm³/h
Membrane Electrode Dimensions420 × 420 mm420 × 420 mm420 × 420 mm420 × 420 mm
Number of Cells20304050
Operating Current (DCA)2646 A2646 A2646 A2646 A
Operating Voltage (DCV)36–50 V54–75 V72–100 V90–125 V
Oxygen InletDN77.5 Tri-ClampDN77.5 Tri-ClampDN77.5 Tri-ClampDN77.5 Tri-Clamp
Oxygen OutletDN77.5 Tri-ClampDN77.5 Tri-ClampDN77.5 Tri-ClampDN77.5 Tri-Clamp
Hydrogen Outlet3/4 inch × 23/4 inch × 23/4 inch × 23/4 inch × 2
Oxygen-Side Pressure Resistance0–0.5 MPa0–0.5 MPa0–0.5 MPa0–0.5 MPa
Hydrogen-Side Pressure Resistance≤1.6 MPa≤1.6 MPa≤1.6 MPa≤1.6 MPa
Water Pump Flow Rate112 L/min
Oxygen outlet pressure ≥0.1 MPa
168 L/min
Oxygen outlet pressure ≥0.1 MPa
224 L/min
Oxygen outlet pressure ≥0.1 MPa
280 L/min
Oxygen outlet pressure ≥0.1 MPa
Operating Temperature40–60°C40–60°C40–60°C40–60°C
Energy Consumption≤4.4 kWh/Nm³≤4.4 kWh/Nm³≤4.4 kWh/Nm³≤4.4 kWh/Nm³
Water Quality RequirementUltrapure water ≥15 MΩ·cmUltrapure water ≥15 MΩ·cmUltrapure water ≥15 MΩ·cmUltrapure water ≥15 MΩ·cm
Service Life≥50,000 h≥50,000 h≥50,000 h≥50,000 h
Product Dimensions746 × 860 × 321.5 mm746 × 860 × 383 mm746 × 860 × 444.5 mm746 × 860 × 506 mm
H2GMH Series
ModelH2G-80H2G-100H2G-200H2G-250
Hydrogen Production80 Nm³/h100 Nm³/h200 Nm³/h250 Nm³/h
Oxygen Production40 Nm³/h50 Nm³/h100 Nm³/h125 Nm³/h
Membrane Electrode Dimensions760 × 420 mm760 × 420 mm760 × 420 mm760 × 420 mm
Number of Cells4051102127
Operating Current (DCA)4788 A4788 A4788 A4788 A
Operating Voltage (DCV)72–100 V91.8–127.5 V183.6–255 V228.6–317.5 V
Oxygen InletDN77.5 Tri-ClampDN77.5 Tri-ClampDN77.5 Tri-ClampDN77.5 Tri-Clamp
Oxygen OutletDN77.5 Tri-ClampDN77.5 Tri-ClampDN77.5 Tri-ClampDN77.5 Tri-Clamp
Hydrogen OutletRC1 × 2RC1 × 2RC1 × 2RC1 × 2
Oxygen-Side Pressure Resistance0–0.5 MPa0–0.5 MPa0–0.5 MPa0–0.5 MPa
Hydrogen-Side Pressure Resistance≤1.6 MPa≤1.6 MPa≤1.6 MPa≤1.6 MPa
Water Pump Flow Rate201.5 L/min
Oxygen outlet pressure ≥0.2 MPa
331.5 L/min
Oxygen outlet pressure ≥0.2 MPa
663 L/min
Oxygen outlet pressure ≥0.2 MPa
825.5 L/min
Oxygen outlet pressure ≥0.2 MPa
Operating Temperature40–60°C40–60°C40–60°C40–60°C
Energy Consumption≤4.4 kWh/Nm³≤4.4 kWh/Nm³≤4.4 kWh/Nm³≤4.4 kWh/Nm³
Water Quality RequirementUltrapure water ≥15 MΩ·cmUltrapure water ≥15 MΩ·cmUltrapure water ≥15 MΩ·cmUltrapure water ≥15 MΩ·cm
Service Life≥50,000 h≥50,000 h≥50,000 h≥50,000 h
Product Dimensions1104 × 1036 × 465 mm1104 × 1036 × 598.3 mm1104 × 1036 × 938 mm1104 × 1036 × 1104.5 mm

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