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DW-6.4/0.4-19.9 raw gas compressor from Bengbu United Compressor handles mixed gas containing helium, methane, hydrogen, nitrogen and neon.380Nm³/h flow, inlet 0.04MPa.G, 50℃ inlet temp, discharge 1.99MPa.G with cooled outlet ≤50℃, driven by 90kW motor.Approx. 5500×3200×2000 mm, 10T compact unit for chemical and new energy projects.
Features
This DW-series raw gas compressor offers high efficiency and stable automated operation. It adapts to fluctuating gas components and pressure, with low vibration, low noise and few wearing parts to ensure continuous production and minimal downtime.
It features a D-type balanced, water-cooled, oil-free 2-row 3-stage piston structure. The double middle body prevents oil contamination. Forged steel and cast iron cylinders support oil-free compression, while axial air valves boost efficiency and ease maintenance.
Modular skid-mounted design supports fast installation and flexible transportation. Multiple customizable structures, cooling modes, installation styles and drive options meet diverse industrial working conditions.
Application Area
The raw material gas compressor is suitable for:
Natural gas processing: pressurized and transported to the gas pipeline network
Chemical raw material pressurization: transportation of industrial raw materials such as hydrogen/nitrogen/helium
New energy supporting system: hydrogen fuel cell gas supply system
Laboratory gas supply: precise supply of high-purity gas
Highlight Advantages
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| Has high efficiency, strong reliability, and high degree of automation; | Less vulnerable parts, low vibration, low noise, and easy operation and maintenance | The main and auxiliary equipment of the compressor are all installed on the sled, running smoothly and reliably. The overall sled installation is convenient for the transportation and installation of the compressor | The entire machine components are carefully designed |
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
This unit is a D-type symmetrical balanced, water-cooled, oil-free reciprocating piston compressor with 2-row 3-stage compression and modular assembly.
Its gray cast iron crankcase is fully reserved with oil filling, draining, observation and temperature measuring ports, equipped with an external manual ball valve for easy oil discharge. The double middle body structure completely isolates lubricating oil to prevent medium contamination.
Gray cast iron and forged steel cylinder & cylinder head adopt oil-free compression design, matched with axial air valves for stable and efficient 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 | DWF-12.4/（9～12）-14 | Carbon dioxide | 6400 | 1.4 | 185 | Air-cooled | 6000×2700×2200 | 10000 | |
| 2 | VWF-2.86/5-16 | Nitrogen | 895 | 1.6 | 55 | Air-cooled | 3200×2200×1750 | 3500 | |
| 3 | ZWF-0.96/5 | Hydrogen chloride | 55 | 0.5 | 11 | Air-cooled | 2000×1500×2000 | 1000 | |
| 4 | DFW-1. 13/0.3-34 | Flash Vapour | 75 | 0.03～3.4 | 18.5 | Air-cooled | 4500×3200×2150 | 5600 | |
| 5 | DFW-6.5/(0～0.5)-10 | Associated gas | 50～100 | 1 | 75 | Air-cooled | 3500×2800×1850 | 4500 | |
| 6 | DFW-4.2/(0.2～1.5)-12 | BOG | 260～540 | 1.2 | 55 | Air-cooled | 3500×3000×2000 | 5500 | |
| 7 | DW-2.45/(6～7)-100 | Carbon Monoxide | 900 | 10 | 160 | Mixed cooling | 6500×3200×1700 | 10000 | |
| 8 | DW-19.8/0.5-7.25 | Methylene chloride | 3.5 | 0.725 | 160 | Mixed cooling | 5200×3000×2350 | 8000 | |
| 9 | DW-8.6/(0～0.2)-8 | Chloromethane | 436 | 0.8 | 75 | Mixed cooling | 3200×2400×1600 | 4500 | |
| 10 | DW-2.4/2.5-11 H | elium Recovery Ga | 450 | 1.1 | 37 | Mixed cooling | 3000×2500×1800 | 3000 | |
Project Case
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| Lanzhou petrochemical company 240000 tonsyear ethylene production capacity restoration - adding butadiene and 1-butene unloading facilities project | Procurement of Molecular Sieve Dehydration, Ethylene Glycol Regeneration and Injection Device, and Fuel Gas Skid in Akimom Gas Field | Beijing Hongke Qingneng Technology Co., Ltd. associated gas compressor for Shanxi Yan'an 60000 m3 project |
380Nm³/h flow rate, 0.04MPa.G inlet pressure, 1.99MPa.G discharge pressure, 90kW motor, with cooled outlet temperature ≤50℃.
Yes. Weather-resistant structure and optional cabin design enable stable operation in outdoor and harsh working conditions.
Less vulnerable parts and accessible components reduce maintenance work and equipment downtime.
Yes. Multiple core patents ensure the compressor meets industrial safety and performance standards.
DW-6.4/0.4-19.9 raw gas compressor fits natural gas, chemical, hydrogen energy and laboratory gas pressurization, supporting custom solutions.
