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Special 250kW Gas Compressor for Petrochemical and Oilfields

Trans-C4H8-0.12, cis-C4H8-0.07, butene-4-0.3, isobutane-0.15, n-butane-0.31
Gasoline distillate -0.03, nitrogen -0.02; ​
Inhalation flow rate: 2000m ³/h (minimum 300m ³/h)
Inlet temperature: 60 ℃
Intake pressure: 0.11MPa. A
Exhaust pressure: 0.9MPa. A
Main motor power: 250kW
Overall dimensions of the machine: approximately 6800 × 3200 × 2350mm
Whole machine weight: approximately 18T

Availability:
Quantity:
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Overview



The MW-33.4 0.1-8 Special Gas Compressor is a high-performance industrial solution engineered by Bengbu United Compressor, a leading manufacturer based in China. Designed for handling complex gas mixtures, this compressor excels in processing a range of components including Trans-C4H8 (0.12), cis-C4H8 (0.07), butene-4 (0.3), isobutane (0.15), n-butane (0.31), gasoline distillate (0.03), and nitrogen (0.02), making it versatile for diverse industrial applications.



Key operational parameters set this compressor apart: it boasts an inhalation flow rate of 2000m³/h (minimum 300m³/h), operates at an inlet temperature of 60℃, with an intake pressure of 0.11MPa.A and exhaust pressure of 0.9MPa.A. Powered by a 250kW main motor, it combines robust performance with compact design, featuring overall dimensions of approximately 6800 × 3200 × 2350mm and a total weight of around 18T.



Ideal for oil and gas field associated gas treatment, petrochemical raw material pressurization, environmental governance, and industrial fuel supply, the MW-33.4 0.1-8 Special Gas Compressor is built to enhance efficiency, reduce emissions, and ensure stable gas handling across critical industrial processes.


Features



High Efficiency & Reliability

Equipped with a four-column symmetrical balanced M-type structure and two-stage compression differential technology, the compressor delivers consistent, energy-efficient performance. Its water-cooled oil-free lubrication system, paired with a 250kW explosion-proof motor (ExdIIBT4), ensures reliable operation even in harsh environments such as deserts or offshore locations. The integration of Siemens Smart-200 PLC for real-time monitoring of temperature, pressure, and vibration parameters further enhances operational stability.


Low Emissions & Environmental Compliance

A standout feature is its contribution to environmental governance: the compressor minimizes flare emissions, with VOCs emissions ≤ 3%, aligning with strict environmental regulations. This makes it a sustainable choice for industries aiming to reduce their carbon footprint while maintaining productivity.


Easy Operation & Maintenance

Designed with user-friendliness in mind, the compressor has fewer vulnerable parts, low vibration, and reduced noise levels, simplifying daily operation and maintenance. The self-lubricating system, formed by PTFE guide rings and piston rings, eliminates the need for external oil supply, reducing maintenance frequency and costs.


Flexible Installation & Modularity

The main and auxiliary equipment are fully integrated into a skid-mounted base, ensuring smooth and reliable operation. This skid-mounted design facilitates easy transportation and on-site installation, saving time and labor. Flange interfaces comply with the HG/T20592-2009 standard, ensuring compatibility with existing industrial systems.


Patented Innovations

Backed by advanced technology, the compressor holds multiple patents, including a piston rod thread protective sleeve (ZL 2017 2 1907021.7), a piston ring support device (ZL 2018 2 0294776.2), a range piston for symmetrical balanced compressors (ZL 2017 2 190177.0), and an integrated long-short double compartment (ZL 2018 2 0294762.0), validating its engineering excellence.


Application Area


The mixed gas compressor is suitable for:

  • Oil and gas field associated gas treatment: recovering low-pressure flash gas to improve recovery rate

  • Chemical raw material pressurization: suitable for transporting petrochemical raw materials such as butene/butane

  • Environmental governance: Reduce flare emissions, VOCs emissions ≤ 3%

  • Industrial fuel supply: providing stable gas source for boilers/heating furnaces


Highlight Advantages



high efficiency operating Installation honor
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



certificates

A piston rod thread protective sleeve ZL 2017 2 1907021.7


certificates

A piston ring support device ZL 2018 2 0294776.2

certificates

A range piston ZL 2017 2 190177.0 for symmetrical balanced compressors


certificates

Integrated long short double compartment ZL 2018 2 0294762.0


Whole Machine Description


The compressor adopts D-type (symmetrical balance type), water-cooled, oil-free lubrication, reciprocating piston type, 2-row 3-stage compression, and the entire unit is supplied in a modular manner.

The compressor crankcase is made of gray cast iron and has four holes of different diameters for installing crosshead slides, bearings, and bearing seats. The lower part of the crankcase can store lubricating oil for the compressor to lubricate; The upper surface of the crankcase has an interface for installing a fuel inlet (breathing port) cover plate; In addition, the crankcase also has spare interfaces such as oil drain port, oil gauge observation port, bearing seat oil injection port, and installation oil temperature measurement port. The oil drain port of the crankcase has been connected to the outside of the compartment and is equipped with a manual ball valve for oil discharge from the crankcase.

The middle body of the compressor is a double middle body structure, ensuring that the middle body space is greater than one stroke, preventing compressor oil from entering the cylinder from the crankcase, thus ensuring that compressor oil does not contaminate the medium. The material of the compressor cylinder is gray cast iron/forged steel, and it adopts an oil-free lubrication design, which does not require oil lubrication. The cylinder head material is gray cast iron/forged steel, and the air valves are arranged axially on the cylinder head.


DW 6.74 (3.3) / 0.7 (5-12) -12 Hydrogen Compressor DW 6.74 (3.3) / 0.7 (5-12) -12 Hydrogen Compressor


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:

    Metal cabin
    Wooden box
    Soundproof cabin
    Metal cabin Wooden box
    Soundproof cabin


Project Case


Ukraine Project Alibek oilfield in Southern Kazakhstan Ningxia Zhongneng new materials engineering
Lanzhou petrochemical company 240000 tonsyear ethylene production capacity restoration - adding butadiene and 1-butene unloading facilities project Alibek oilfield in Southern Kazakhstan Procurement of Molecular Sieve Dehydration, Ethylene Glycol Regeneration and Injection Device, and Fuel Gas Skid in Akimom Gas Field


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-2.4/2.5-11H elium Recovery Ga 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 on-condensable gas 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 -pentadiene, nitroge 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 uoromonochloroeth 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


FAQ


What types of industries can use the MW-33.4 0.1-8 Special Gas Compressor?

This compressor is widely applicable in:


· Oil and gas field associated gas treatment (recovering low-pressure flash gas to improve recovery rates);

· Petrochemical industries (pressurizing raw materials like butene and butane);

· Environmental protection (reducing flare emissions);

· Industrial fuel supply (providing stable gas sources for boilers and heating furnaces).


Can the compressor be customized for specific needs?

Yes, as a non-standard product, it is fully customizable based on customer requirements. Options include:


· Structural forms: D-type, M-type, S-type, W-type, V-type, Z-type;

· Cooling methods: water cooling, air cooling, mixed cooling;

· Installation forms: fixed, mobile, skid-mounted, cabin-type;

· Drive modes: motor-driven or diesel engine-driven.


What are the key technical specifications related to power and size?

The compressor features a main motor power of 250kW, with overall dimensions of approximately 6800 × 3200 × 2350mm and a total weight of around 18T. It operates at an intake pressure of 0.11MPa.A and exhaust pressure of 0.9MPa.A, with an inlet temperature of 60℃.


How is the compressor packaged and transported?

Transportation options include sea, air, or land. Packaging solutions are customizable, with choices such as metal cabins, wooden boxes, and soundproof cabins, ensuring safe delivery regardless of the destination.


Does the compressor meet international standards or certifications?

Yes, it adheres to industrial standards (e.g., flange interfaces comply with HG/T20592-2009) and holds multiple Chinese patents, reflecting its compliance with quality and safety requirements. The explosion-proof motor (ExdIIBT4) further ensures it meets hazardous environment standards.



The MW-33.4 0.1-8 Special Gas Compressor combines cutting-edge technology, customization flexibility, and environmental responsibility, making it a top choice for industries requiring reliable gas compression solutions. Contact Bengbu United Compressor for inquiries or tailored quotes.


Telephone

+86 13955206799

Landline

+86-552-4190082

Address

No. 66 Jinhe Road, Huaiyuan Economic Development Zone, Bengbu City

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