High-Performance Reciprocating Piston Gas Compressor for Natural Gas/H2/N2/Ammonia/Bog/Methane/CNG/LPG Unloading Manufacture Factory
Product Details
| Customization: | Available |
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| Warranty: | 12 Months |
| Lubrication Style: | Customized |
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Diamond Member Since 2022
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Audited by an independent third-party inspection agency
Year of Establishment
2002-07-04
Number of Employees
55
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Basic Info.
- Model NO.
- MF-4.2/(3-5)-250
- Cooling System
- Air/Water /Mixed Cooling
- Cylinder Arrangement
- Balanced Opposed Arrangement
- Cylinder Position
- Customized
- Structure Type
- Open Type
- Compress Level
- Customized
- Refrigerant Type
- Natural Gas
- Flow Rate
- 4.2m3/Min
- Inlet Pressure
- 0.3-0.5MPa
- Outlet Pressure
- 25.0MPa
- Drive Mode
- Direct Connection
- Installation Method
- Fixed and with Foundation
- Compressor Speed
- 980 R/Min
- Power Equipped
- 380V/50Hz
- OEM
- Yes
- Cover
- Customized
- Overall Dimensions
- Customized
- Electrical Brand
- Selectable
- Starting Method
- Customized
- Technical Guidance
- Provided
- Factory Inspection
- Provided
- Transport Package
- Foreign Trade Packaging
- Trademark
- ANJILI
- Origin
- China
- HS Code
- 8414804990
Packaging & Delivery
- Package Size
- 4800.00cm * 3200.00cm * 2800.00cm
- Package Gross Weight
- 14000.000kg
Product Description
Product Description
Special Gas Compressor
Our special gas compressors are designed for safe and precise handling of chemically active, flammable, corrosive, or high-purity gases such as hydrogen, nitrogen, helium, propane, butadiene, chlorine derivatives, and mixed gases. The machine adopts advanced sealing systems and corrosion-resistant materials to ensure long-term stability and gas purity.

Product Advantages
Safe handling of flammable and special gases
High sealing technology minimizes leakage risks
Suitable for chemical, petrochemical, and energy industries
Long-lasting components designed for continuous duty
Fully customized to gas characteristics
High sealing technology minimizes leakage risks
Suitable for chemical, petrochemical, and energy industries
Long-lasting components designed for continuous duty
Fully customized to gas characteristics
Applications

Chemical plant gas compression
Hydrogen energy systems
Gas recovery and recycling
Petrochemical gas transportation
Specialty gas filling
Laboratory and industrial gas supply
Hydrogen energy systems
Gas recovery and recycling
Petrochemical gas transportation
Specialty gas filling
Laboratory and industrial gas supply

Product Features
Oil-free or oil-lubricated options based on gas purity requirement
Corrosion-resistant materials for chemical and industrial gases
High sealing efficiency to minimize leakage
Explosion-proof electrical systems for hazardous environments
Accurate pressure control and stable flow delivery
Custom design for gas type, pressure, and safety grade
Corrosion-resistant materials for chemical and industrial gases
High sealing efficiency to minimize leakage
Explosion-proof electrical systems for hazardous environments
Accurate pressure control and stable flow delivery
Custom design for gas type, pressure, and safety grade
Why Choose Us

Strong R&D capability for special gas solutions
23 years experience in high-pressure and special gas compression
ISO-certified production and patented sealing technology
Customized solutions for different gas compositions
Global project references in oil & chemical industries
Professional after-sales support with remote and onsite service
23 years experience in high-pressure and special gas compression
ISO-certified production and patented sealing technology
Customized solutions for different gas compositions
Global project references in oil & chemical industries
Professional after-sales support with remote and onsite service
Technical Parameters
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 | Helium Recovery Gas | 450 | 1.1 | 37 | Mixed cooling | 3000×2500×1800 | 3000 |
11 | DW-14/(0-0.2)-25 | Raw material gas | 800 | 2.5 | 160 | Water-cooled | 4800×3200×1915 | 10000 |
12 | VW-8/18 | Vinylidene fluoride | 418 | 1.8 | 75 | Water-cooled | 3700×2000×1700 | 4500 |
13 | VWD-3.2/(0-0.2)-40 | Biogas | 230 | 4.0 | 45 | Water-cooled | 6000×2500×2650 | 8000 |
14 | VW-9/6 | Ethyl chloride | 470 | 0.6 | 55 | Water-cooled | 2800×1720×1700 | 3500 |
15 | DW-2.4/(18-25)-50 | Raw material gas | 2900 | 5.0 | 160 | Water-cooled | 4300×3000×1540 | 4500 |
16 | VW-5.6/(0-6)-6 | Isobutylene | 1650 | 0.6 | 45 | Water-cooled | 2900×1900×1600 | 3500 |
17 | VW-3.8/3.5 | Mixed gases | 200 | 0.35 | 18.5 | Water-cooled | 2200×1945×1600 | 2000 |
18 | ZW-1.7/3.5 | Vinyl chloride | 100 | 0.35 | 15 | Water-cooled | 2700×1600×2068 | 2000 |
19 | VW-0.85/(0-14)-40 | Refrigerant | 300 | 4.0 | 55 | Water-cooled | 4500×2300×1780 | 5500 |
20 | DW-3.78/(8-13)-(16-24) | Ammonia | 2700 | 1.6-2.4 | 75 | Water-cooled | 3200×2000×1700 | 3500 |
21 | DW-5/7 | Chloromethane | 355 | 0.7 | 37 | Water-cooled | 3500×2600×1700 | 4000 |
22 | DW-9.2/3 | Non-condensable gases | 653 | 0.3 | 45 | Water-cooled | 3500×3200×1680 | 6800 |
23 | DW- 16/(2.8-3.2)-7.6 | Carbon rich gas | 3000-3400 | 0.76 | 132 | Water-cooled | 4500×3400×2750 | 12000 |
24 | DWD-2.9/20-50 | Wellhead gas | 3334 | 2.0-5.0 | 185 | Water-cooled | 6000×3500×3000 | 14000 |
25 | DW-4/0.5-4 | m-pentadiene, nitrogen | 300 | 0.4 | 30 | Water-cooled | 3000×2800×1700 | 3500 |
26 | DW-8.7/0.02-15 | Tail gas | 500 | 1.5 | 90 | Water-cooled | 4500×3000×1800 | 10000 |
27 | DW-8.8/0.2-6 | Desorption gas | 450 | 0.6 | 75 | Water-cooled | 4000×3000×2150 | 8000 |
28 | DW-1.3/0.2-18 | Metafluoroethylene | 80 | 1.8 | 18.5 | Water-cooled | 3500×2500×1570 | 3500 |
29 | DW-12.5/(0.1-0.15)-18 | Difluoromonochloroethane | 887 | 1.8 | 132 | Water-cooled | 5500×3200×2500 | 14000 |
30 | DW-2.9/5 | Gas | 206 | 0.5 | 22 | Water-cooled | 3200×2800×1800 | 3000 |
Main Products

Company Profile

United Compressor Manufacturing Co., Ltd.,
United Compressor has strong technical capabilities and more than 50 years of accumulated engineering experience, independently obtaining 33 national patent technologies. We fully absorb advanced domestic and international technologies to ensure high efficiency, high reliability, and long service life, suitable for various complex working conditions.
Our compressors are widely used in gas recovery, gas gathering, boosting, gas injection, pipeline cleaning, process stabilization, storage, and transportation, and have been successfully delivered to many countries worldwide, including Russia, the UK, Spain, Vietnam, India, Kazakhstan, Ukraine, Iran, and more.
The company has a professional after-sales team providing 7×24-hour global service support, including remote guidance and on-site maintenance, ensuring long-term stable operation.
United Compressor is committed to providing global customers with high-performance, intelligent, and customizable integrated gas compression solutions.
Company & Product Advantages
23 Years Manufacturing Experience – Since 2002, focusing on piston compressors for natural gas, CNG, and special gases.
Strong Engineering Team – We provide customized solutions based on your exact working conditions.
Complete In-house Production – From machining to assembly and testing, with strict quality control and full-load test before delivery.
ISO Certified & Patented Technology – Ensures stable quality and international standards.
Global Export Experience – Supplying to the USA, Russia, Brazil, Middle East, and major companies like Sinopec and PetroChina.
Professional After-sales Service – Installation guidance, remote support, and reliable spare parts supply.




Certifications

Packing & Delivery

Bengbu United Compressor Manufacturing Co., Ltd. always prioritizes shipment safety. According to different transportation environments, equipment structures, and customer needs, we provide professional packaging and transportation solutions to ensure every compressor arrives securely and in excellent condition.
1. Professional Packaging Standards
(1).Anti-rust treatment:
All metal surfaces are coated with anti-rust oil to prevent corrosion during long-distance transportation.
(1).Anti-rust treatment:
All metal surfaces are coated with anti-rust oil to prevent corrosion during long-distance transportation.
(2).Customized Wooden Cases:
Reinforced wooden cases with internal cushioning structures to minimize vibration and impact.
Reinforced wooden cases with internal cushioning structures to minimize vibration and impact.
(3).Independent Packaging for Key Components:
Electrical cabinets, instruments, and vulnerable parts are separately packed with moisture-proof and shock-proof protection.
Electrical cabinets, instruments, and vulnerable parts are separately packed with moisture-proof and shock-proof protection.
(4).Moisture & Dust Protection:
Industrial-grade moisture-proof film is used for full wrapping, suitable for marine and long-distance transport.
Industrial-grade moisture-proof film is used for full wrapping, suitable for marine and long-distance transport.
2. Flexible Transportation Options
(1).Sea, Air, and Land Transportation:
Multiple global shipping options based on customer requirements.
(1).Sea, Air, and Land Transportation:
Multiple global shipping options based on customer requirements.
(2).Professional Logistics Partners:
Long-term cooperation with international logistics companies ensures reliable and timely delivery.
Long-term cooperation with international logistics companies ensures reliable and timely delivery.
(3).Strict Container Loading Procedures:
All equipment is reinforced, strapped, and treated with anti-slip measures to ensure stability during shipment.
All equipment is reinforced, strapped, and treated with anti-slip measures to ensure stability during shipment.
3. Complete Documentation Provided
Each shipment includes:
Each shipment includes:
·Packing list
·Certificate of conformity
·User manual
·Installation & maintenance guide
·Factory test report
FAQ
·How long is delivery time ?
Delivery time is around the 30-135 days .
Delivery time is around the 30-135 days .
·What about the voltage of products? Can they be customized?
Yes, the voltage can be customized according to your inquire.
·Will you provide some spare parts of the machines?
Yes
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