China high quality Oil-Free Lubricated Type 350 Barg High Pressure Air Compressor with CHINAMFG Control System lowes air compressor

Product Description

Propylene is an important industrial raw material, mainly for polypropylene, which is a plastic polymer with the chemical designation C3H6.It is used in a wide range of settings-both in the production of industrial and consumer goods-and can be used as either a structural plastic or as a fiber.

Our propylene compressor is widely used in loading, unloading, process gas pressurization and recovery use.
With oil-free lubricated type, has numerous advantage of reliable performance, simple opration, compact construction, quick connection etc. and thus is deeply favored by the users.
We manufacture the reciprocating compressor for propylene gas compressor. 
All flows is available.
With skid-mounted type, no need the extra base.  
Control by PLC or DCS
We customise the compressors as per customer applications. 
CE certificate can be provided if required.

Advantages of CHINAMFG Process Gas Compressor:
1.   High quality material, Stable & Reliable operation
2.  Low Maintenance cost & Low noise
3.   Easy to install on site and connect with the user’s pipeline system to operate
4.   Alarm automatic shutdown to protection machine function
5.  Corrosion Resistance

Lubrication includes : Oil lubrication, low-oil lubrication and oil free lubrication;
Cooling method includes: Water cooling, and air cooling.
Installation type includes: Stationary and Skid Mounting.

L-type Compressor Specification
L-type compressor is an angle compressor with compact construction and good dynamic balance. Each crank possesses at most 1 CHINAMFG crank and can be equipped with more than 2 connecting bars. The crank is simple, short and can apply rolling bearing. The resultant force of each column’s first ordered inertia force can be partially or full equilibrated by the balanced weight on the cranks, so as to achieve high running speed and fine dynamic balance. L type Compressor not only poossesses the advantages of angle compressors,but also has its own strong points in that it runs more stable than V-type and W-type. 
Besides general gas such as air, the compressed medium may also include flammable and explosive gas, such Natural Gas and Coal Gas as well as special gas which are toxic and corrosive. CHINAMFG has taken a series of technical measures in aspects such as structure material, explosion prevention, anto-control and protection to guarantee safety and reliability. Products are widely used in variety of industries such as Petroleum, Chemical textile, Gas Separation, Metallurgy Mine Machinery.

Technical Parameters of L type Reciprocating Piston Compressor  
No. Model  Compressed medium F.A.D (Nm3/min) Inlet Pressure 
( Mpa)
Exhuast Pressure 
Weight (t)  
1 4LW-6/22 propylene gas 6 Micro positive pressure 2.2 75 420 2658x1180x3058 3 380
2 4L-11.3/5-14 petroleum gas 11.3 0.5 1.4 160 485 2435x1436x2460 2.5 380
3 4LW-7/22 propylene gas 7 Micro positive pressure 2.2 75 420 2522x1180x2982 3 380
4 4L-20/9 coal gas 20 Micro positive pressure 0.9 132 420 2508x1180x3090 3 380
5 4LW-6/22-I propylene gas 6 Micro positive pressure 2.2 75 420 2658x1180x3058 3 380
6 4L-21/1.6~24 petroleum gas 21 0.16 2.4 160 420 2598x3400x3058 5.5 380
7 4L-20/10 coal gas 20 Micro positive pressure 1 160 420 2440x1255x3090 3 380
8 4LW-7/17 Trifluoroethane gas 7 Micro positive pressure 1.7 75 420 2890x1380x3120 5 380
9 4LW-7/22-II propylene gas 7 Micro positive pressure 2.2 75 420 2890x1380x3120 2 380
10 4LW-13.5/20 coal gas 13.5 Micro positive pressure 2 160 420 3410x1200x3200 6.5 380
11 4LW-10/22-I propylene gas 10 Micro positive pressure 2.2 110 420 2480x1250x3090 2 380
12 4LW-8.4/24 Vinylidene Fluoride Compressor 8.4 Micro positive pressure 2.4 110 420 3550x1300x3300 2 380
13 4L-20/9-III coal gas 20 Micro positive pressure 0.9 160 420 3200x1300x3150 2.8 380
14 4LW-20/0.8~7 coal gas 20 0.08 0.7 160 420 3200x1300x3150 2.8 380
15 4LW-6/22-IV propylene gas 6 Micro positive pressure 2.2 76 420 3250x1300x3200 2.8 380
16 4LW-12.5/22-IV propylene gas 12.5 Micro positive pressure 2.2 132 485 2700x3160x3060 2.6 380
17 4L-17/10 coal gas 17 Micro positive pressure 1 160 420 2800x3160x23060 2.6 380
18 4LW-10/12-18 petroleum gas 10 1.2 1.8 160 420 2770x1060x2885 2.1 380
19 4L-36/3-19 Natural gas 36 0.3 1.9 160 420 2570x3250x2855 2.1 380
20 3LW-10/0.2-6 Synthetic tail gas 10 0.02~0.04 0.6 75 420 2920x1250x3140 2.8 380
21 3LW-10/0.1-6 Synthetic tail gas 10 0.01~0.02 0.6 75 420 2920x1250x3140 2.8 380
22 3LW-11.4/0.1-5.6 Feed gas 11.4 0.01 0.55 75 485 2920x1250x3140 2.6 380
23 3LW-10/0.1-6-I Synthetic tail gas 10 0.01~0.02 0.6 75 420 2920x1250x3140 2.6 380
24 3LW-10/6-I Natural gas 10 0.005~0.015 0.6 75 450 2920x1250x3140 2.1 380
25 3LW-30/1-2 nitrogen 30 0.1 0.2 75 485 2680x1450x3080 2.8 380
26 3LW-13.3/0.3-5 Trichlorosilane 13.3 0.02~0.05 0.5 75 485 2970x1150x3380 2.6 380
27 3LW-9/1.5-20 Natural gas 9 0.15 2 75 485 2480x1200x3350 2.6 380
28 3LW-7.5/1-16 water gas 7.5 0.01~0.25 1.6 75 485 2900x2670x3000 2.1 380
If you want to send us the inquiry,please fill the below technical information:
A. The gas compression medium 
B. Gas composition? or the gas purity?
C. The flow rate: _____Nm3/hr
D. Inlet pressure: _____ Bar (gauge pressure or absolute pressure)
E. Discharge pressure: _____ Bar (gauge pressure or absolute pressure)
F. Inlet temperature
G.Discharge temperature
H. Cooling water temperature as well as other technical requirement.
We can customize kinds of process gas compressors specially.
If you are interested in it, please send inquiry,let’s discuss a further.

Test and inspection
1. Part Material Inspection: Before shipment inspecting the mechanical properties and chemical composition of the following parts and provide inspection reports: cylinder, cylinder head, crankshaft, crankcase, main bearing, connecting rod, piston rod, piston rod, cross head, connecting rod bush connecting bolt, cross head pin, etc. 
2. Nondestructive inspection: the supplier shall perform non-destructive inspection of the following parts.
Hydrostatic test and pressure test
The test pressure of cylinder block, cylinder head, piston and other compressed parts is at least 1.5 times of the maximum allowable working pressure, and lasts more than 30 minutes. The test pressure of the above parts of the water chamber is at least 1.5 times the maximum allowable working pressure, not less than 0.6MPa.

Our services:
Keepwin Provides Top-Rated, Efficient Reciprocating Compressors And Parts. Energy Efficient. Industry Leading Warranty. Low Maintenance. Gas Solution Engineer and Easy Install, promises to give a definite reply within 6 hours for the after-sales product service, can provide overseas Installation service. We can customize all kinds of standard air compressor, flammable gas compressor, toxin gas compressor of reciprocating compressor & diaphragm compressor.

What is advantages of our company?
Right Compressor Right Solution Gas Engineer Company
Whether centrifugal, screw or reciprocating, CHINAMFG is the sole multi-compressor provider for you.
The Best Quality, The Most Reliability
What is need to consider when purchase a correct compressor Upgrade Your Gas Compressor to Save Money & Energy Consumption Gas compressors are a vital part of many industry applications.
Save money and energy in your industrial workplace by upgrading your gas compressor today!

Q1: What’s your delivery time?
A: Generally for standard air compressor is 15 days if there are stocks with regular 380V/50Hz/3ph.
    Special customizing compressors with 30days production date for Screw Compressor, 80-100days for diaphragm compressor & reciprocating process gas compressor.

Q2: How long is your air compressor warranty?
A: Usually 1 year /12 Months for whole compressor machine, 2years/24months for air end (except maintenance spare parts.). And we can provide further warranty if necessary. 

Q3: How long could your air compressor be used?
A: Generally, more than 10 years.

Q4: Can you do OEM for us?
A: Yes, of course. We have around 2 decades OEM experience.And also we can do ODM for you.

Q5: What’s payment term?
A: T/T, L/C, D/P, Western Union, Paypal, Credit Card, Trade Assurance and etc. Also we could accept USD, RMB, GBP, Euro and other currency.

Q6: How about your customer service?
A: 24 hours on-line service available. 48hours problem sovled promise.

Q7: How about your after-sales service?
A: 1. Provide customers with intallation and commissioning online instructions.
2. Well-trained engineers available to overseas after-sales service. 

Q8. Are you factory?
A4: Absolutely! You have touched the primary sources of Air /Gas Compressor. We are factory.

How to contact with us?
Send your Inquiry Details in the Below, or Click “Send inquiry to supplier” to check more other Gas Compressor machine equipment!

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Lubrication Style: Oil-free
Cooling System: Water Cooling
Cylinder Arrangement: Balanced Opposed Arrangement
Cylinder Position: Horizontal
Structure Type: Closed Type
Compress Level: Double-Stage


air compressor

How Do You Ensure the Air Quality Produced by Oil-Free Compressors?

Ensuring the air quality produced by oil-free compressors involves a combination of factors, including proper equipment selection, appropriate maintenance practices, and adherence to industry standards. Here’s a detailed explanation of how to ensure the air quality produced by oil-free compressors:

1. Equipment Selection:

Choosing the right oil-free compressor is the first step in ensuring air quality. It is essential to select a compressor that is specifically designed for applications requiring clean air, such as food and beverage processing, pharmaceutical manufacturing, electronics assembly, and medical facilities. Consideration should be given to the compressor’s filtration capabilities, air treatment options, and compliance with relevant industry standards and regulations.

2. Filtration Systems:

The filtration systems integrated into oil-free compressors play a crucial role in maintaining air quality. These systems typically include pre-filters, coalescing filters, and activated carbon filters. Pre-filters remove larger particles, coalescing filters capture smaller particles and coalesce water vapor, and activated carbon filters absorb odors and remaining oil vapors. Regular inspection and replacement of filters are necessary to ensure their effectiveness in removing contaminants from the compressed air.

3. Regular Maintenance:

Regular maintenance is key to preserving air quality. This includes following the manufacturer’s recommended maintenance schedule, which may involve tasks such as filter replacement, lubrication of non-compressed parts, and inspection of seals and gaskets. Proper maintenance helps prevent air leaks, ensures the compressor operates efficiently, and reduces the risk of contamination.

4. Air Quality Testing:

Periodic air quality testing is essential to verify the effectiveness of the oil-free compressor and its filtration system. Air quality testing can involve measuring parameters such as oil content, particulate matter, moisture levels, and microbiological contamination. By conducting regular air quality tests, any deviations from the desired air quality standards can be identified, allowing for corrective actions to be taken promptly.

5. Compliance with Standards:

Adhering to industry standards and regulations is crucial in ensuring air quality. Standards such as ISO 8573 specify the acceptable limits for contaminants in compressed air, including oil content, particulate matter, and moisture. Compressors should be selected, installed, and operated in accordance with these standards. Regular auditing and certification processes can help ensure ongoing compliance and provide assurance of air quality to stakeholders.

6. Training and Education:

Proper training and education of personnel involved in the operation and maintenance of oil-free compressors are vital. Operators should be familiar with the specific requirements of oil-free compressors, including the importance of filtration, maintenance procedures, and recognizing signs of potential issues. Training programs can help ensure that operators have the necessary knowledge and skills to maintain air quality effectively.

By considering equipment selection, implementing robust filtration systems, conducting regular maintenance, performing air quality testing, complying with standards, and providing appropriate training, the air quality produced by oil-free compressors can be effectively ensured. These measures are essential for applications where air purity is critical, safeguarding product integrity, process efficiency, and the health and safety of personnel.

air compressor

What Are the Energy Efficiency Benefits of Oil-Free Air Compressors?

Oil-free air compressors offer several energy efficiency benefits. Here’s a detailed explanation of the advantages of oil-free compressors in terms of energy efficiency:

1. No Energy Losses from Oil Carryover:

Oil-lubricated compressors require oil to lubricate the moving parts, which can result in oil carryover into the compressed air system. This oil carryover can lead to energy losses as it accumulates in filters, pipes, and other components. Oil-free compressors eliminate this issue by not using oil in the compression process, minimizing energy losses associated with oil carryover and reducing the need for additional energy-consuming filtration equipment to remove oil from the compressed air.

2. Reduced Friction and Mechanical Losses:

Oil-free compressors typically have advanced designs and technologies that minimize friction and mechanical losses during the compression process. The absence of oil eliminates the need for oil seals, lubrication systems, and associated energy-consuming components. This reduction in friction and mechanical losses improves the overall energy efficiency of the compressor, resulting in lower energy consumption and operating costs.

3. Optimized Air Delivery:

Oil-free compressors are designed to deliver compressed air directly without the need for additional oil removal equipment. This streamlined process eliminates the pressure drops and energy losses associated with oil separation and filtration. As a result, oil-free compressors can provide more efficient air delivery, ensuring that the compressed air reaches the intended applications with minimal energy losses.

4. Variable Speed Drive (VSD) Capability:

Many oil-free compressors are equipped with variable speed drive (VSD) technology, which allows the compressor to adjust its speed based on the actual demand for compressed air. By operating at lower speeds during periods of lower demand, VSD-equipped compressors can significantly reduce energy consumption compared to fixed-speed compressors that run at a constant speed regardless of the demand. VSD technology enables oil-free compressors to match the output precisely to the required compressed air load, resulting in energy savings and improved efficiency.

5. Improved System Control and Monitoring:

Oil-free compressors often come with advanced control and monitoring systems that enable precise management of the compression process. These systems allow for optimized operation, including load balancing, pressure control, and energy-saving modes. By closely monitoring and controlling various parameters, such as air pressure, temperature, and power consumption, the compressor can operate at the most energy-efficient levels, minimizing wasted energy and maximizing overall system efficiency.

6. Longer Service Life and Maintenance Intervals:

Oil-free compressors tend to have longer service life and maintenance intervals compared to oil-lubricated compressors. The absence of oil reduces the accumulation of deposits, contaminants, and wear on components, resulting in extended equipment life and reduced maintenance requirements. Longer service intervals mean less downtime for maintenance, allowing the compressor to operate at peak efficiency for longer periods, ultimately saving energy and reducing operational costs.

Overall, oil-free air compressors offer significant energy efficiency benefits due to reduced energy losses from oil carryover, minimized friction and mechanical losses, optimized air delivery, variable speed drive capability, improved system control and monitoring, and extended service life. These advantages make oil-free compressors an attractive option for industries and applications where energy efficiency and cost savings are paramount concerns.

air compressor

What Are the Advantages of Using Oil-Free Air Compressors?

Oil-free air compressors offer several advantages over their oil-lubricated counterparts. These compressors are designed to deliver clean, oil-free compressed air and provide benefits in various applications. Here’s a detailed explanation of the advantages of using oil-free air compressors:

1. Clean and Oil-Free Air:

The primary advantage of oil-free air compressors is that they produce compressed air that is free from oil contamination. This makes them suitable for applications where oil-free air is crucial, such as in industries like food and beverage, pharmaceuticals, electronics, and painting. Oil-free compressed air ensures product quality, prevents contamination of sensitive equipment, and eliminates the risk of oil-related issues in downstream processes.

2. Reduced Maintenance:

Oil-free compressors generally require less maintenance compared to oil-lubricated compressors. Since there is no oil to change or monitor, maintenance tasks related to oil filtration, oil changes, and oil disposal are eliminated. This can result in cost savings, reduced downtime, and simplified maintenance schedules.

3. Elimination of Oil Contamination Risk:

With oil-free compressors, there is no risk of oil contaminating the compressed air system. This eliminates the need for additional filtration or separation equipment to remove oil from the compressed air. It simplifies the overall system design, reduces the risk of oil-related equipment failure, and minimizes the maintenance and associated costs.

4. Compact and Lightweight:

Oil-free compressors are often designed to be compact and lightweight, making them portable and easy to transport. This feature is advantageous for applications where mobility is required, such as construction sites, workshops, and on-site maintenance tasks.

5. Quiet Operation:

Oil-free compressors tend to operate at lower noise levels compared to oil-lubricated compressors. The absence of oil lubrication reduces the friction and mechanical noise, resulting in quieter operation. This makes oil-free compressors more suitable for noise-sensitive environments or applications where reduced noise levels are desired.

6. Environmental Considerations:

Oil-free air compressors are environmentally friendly due to the absence of oil. They eliminate the risk of oil spills or leaks that can harm the environment. Furthermore, oil-free compressors may require less energy consumption compared to oil-lubricated compressors, contributing to energy efficiency and reduced carbon footprint.

7. Lower Initial Cost:

In general, oil-free compressors tend to have a lower initial cost compared to oil-lubricated compressors. This can be advantageous for applications with budget constraints or when the specific requirements of the application align with the capabilities of oil-free compressors.

It’s important to note that oil-free air compressors may have certain limitations compared to oil-lubricated compressors. They may have lower maximum operating pressures and higher operating temperatures. Additionally, the absence of oil lubrication may result in slightly reduced efficiency and increased wear on certain components over time.

By considering these advantages, users can determine whether oil-free air compressors are suitable for their specific application and requirements.

China high quality Oil-Free Lubricated Type 350 Barg High Pressure Air Compressor with CHINAMFG Control System   lowes air compressorChina high quality Oil-Free Lubricated Type 350 Barg High Pressure Air Compressor with CHINAMFG Control System   lowes air compressor
editor by CX 2024-02-19

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