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The DW-1.8/15-30 hydrogen compressor is a reciprocating piston compressor from Bengbu United Compressor, designed for hydrogen compression in energy and industrial systems. It is widely used in hydrogen storage, fuel cell systems, and hydrogen refueling applications.
It delivers a flow capacity of 1500 Nm³/h, inlet pressure of 1.5 MPa(G), and discharge pressure up to 3.0 MPa(G). The unit is driven by a 75 kW motor and designed with a compact structure for easy industrial integration.
Oil-free compression system ensures high hydrogen purity
Stable operation with low vibration D-type structure
Water-cooled design for continuous industrial use
Durable components reduce maintenance and downtime
Application Area
Hydrogen energy storage systems
Fuel cell vehicle refueling stations
Hydrogen power generation
High-pressure hydrogen cylinder filling
Highlight Advantages
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| Stable output with optimized compression structure, supporting continuous hydrogen service | Controlled vibration and acoustic performance through balanced mechanical design | Skid-integrated layout simplifies lifting, positioning, and on-site installation | Wear-resistant configuration reduces component fatigue and extends service intervals. |
Patent Certificates
 | A piston rod thread protective sleeve ZL 2017 2 1907021.7 | | A piston ring support device ZL 2018 2 0294776.2 | |
| A range piston ZL 2017 2 190177.0 for symmetrical balanced compressors | | Integrated long short double compartment ZL 2018 2 0294762.0 |
Whole Machine Description
The compressor uses a D-type symmetrical balance structure with water cooling and oil-free reciprocating piston compression. It is supplied as a modular skid-mounted unit for easy installation.
The crankcase is made of cast iron and designed for lubrication, inspection, and maintenance functions with external oil management connections.
A double middle-body structure prevents oil from entering the compression chamber, ensuring clean gas output. Key components such as the cylinder and cylinder head are made of cast iron or forged steel for durability and stable operation.
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The compressor in this picture is a non-standard product. The product provides independent solutions tailored to customers' specific usage requirements (flow rate/purity/pressure, usage environment, main purpose, and customer specific requirements), from design to product customization.
Structural form: D-type/M-type/S-type/W-type/V-type/Z-type
Cooling method: water cooling/air cooling/mixed cooling
Installation form: fixed/mobile/pry mounted/cabin type
Drive mode: motor drive/diesel engine start
Transportation: sea/air/land
Packaging:
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| Metal cabin | Wooden box | Soundproof cabin |
Technical Parameter
| No. | Model | Medium | Flow rate (Nm3/h) | Exhaust pressure (MPa.G) | Motor power (kW) | Cooling method | Overall dimensions (mm) | Weights (kg) | |
| 1 | DW-1.6/(8～12)-120 | Hydrogen | 800 | 12 | 160 | Water-cooled | 5800×3000×2300 | 8500 | |
| 2 | DW-1.8/15-30 | Hydrogen | 1500 | 3.0 | 75 | Water-cooled | 3200×3000×1850 | 5800 | |
| 3 | DW-6.74(3.3)/0.7(5～12)-12 | Hydrogen | 600 | 1.2 | 90 | Water-cooled | 5000×3200×2100 | 8000 | |
| 4 | DW-17.9/(4～5)-6.5 | Hydrogen | 1270 | 0.65 | 132 | Water-cooled | 3500×3000×2300 | 8000 | |
| 5 | DW-1.8/15-30 | Hydrogen | 1500 | 3.0 | 75 | Water-cooled | 3200×3000×1850 | 5800 | |
| 6 | DW-9.55/0.03-16 | Hydrogen | 515 | 1.6 | 90 | Water-cooled | 3500×3200×2500 | 6500 | |
| 7 | DW-96.5/（ 15～23 ）-（ 21~29 ） | Hydrogen | 4500 | 2. 1～2.9 | 185 | Water-cooled | 5000×3000×2500 | 12000 | |
| 8 | DW-48/（ 15～23 ）-（ 21~29 ） | Hydrogen | 2642～4500 | 2. 1～2.9 | 55 | Water-cooled | 4000×2700×2300 | 6000 | |
| 9 | D-0.57/16-200 | Hydrogen | 500 | 20 | 75 | Water-cooled | 5800×3200×2350 | 9000 | |
| 10 | ZW-0. 18/15-22 | Hydrogen | 150 | 2.2 | 11 | Water-cooled | 2200×1600×1700 | 2000 | |
Project Case
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| Alibek oilfield in Southern Kazakhstan | Zaozhuang CNG compressor project of Chengdu Shenliang Technology Co., Ltd. | Beijing Hongke Qingneng Technology Co., Ltd. associated gas compressor for Shanxi Yan'an 60000 m3 project |
It is used in hydrogen power generation, energy storage, fuel cell systems, and industrial heating. It is also suitable for high-purity applications such as green hydrogen and semiconductor processes due to its oil-free design.
It can be customized for flow rate, pressure, cooling method, drive type, and packaging to match different project requirements.
Routine inspection is recommended monthly, while major maintenance is typically required every 12–18 months depending on operating conditions.
