China factory Air-Cooled CHINAMFG Condensing Unit Two Stage Low Bar CHINAMFG small air compressor

Product Description


Product Description


Screw-type low-temperature brine chiller

Scope of Application

ltem Refrigerating Medium Model Range (Unit °C)
Refrigerating Medium outlet temperature Ethylene glycol/calcium chloride YS-ZH series [0~ -10)
YS-NH series [-10~ -20)
Calcium chloride YS-DH series [-20~ -30)
YS-CH series [-30~ -40]
Cooling water inlet temperature °C Water   19~33

*The YS . H series low-temperature brine chillers are equipped with an open-type screw refrigeration compressor asthe main unit, which are suitable for such refrigeration working medium as R717, R507A, R134a, R404A, R407C, R410Apropane,propylene,dimethyl ether, etc.
*This series of units are a complete set of equipment that provides low-temperature water that meets the coolingreguirements for various production processes, gas liquefaction, and food processing industries such as grains and fruitsin the energy and chemical industry.
*Ethylene glycol, calcium chloride, and various solutions such as methanol, propylene glycol, sodium chloride, etc. canbe used as refrigerating medium for this series of standard units.

The evaporative cooling and water-cooled shell-and-tube condenserscan be selected, The water-cooled shell-and-tube condenser useshigh-efficiency heat exchange tubes, which are small in size and lightin weight. The evaporative cooling system is equipped with a liquidreservoir(evaporative cooling is not included on the unit).

It adopts a siphon structure; the low-pressure refrigerant liquid suppliedto the evaporator is in a saturated state, and there is no effect of throttlingflash gas in the heat exchanger, so its heat transfer efficiency is higher. ltsolves the problem of uneven liquid supply, meanwhile, it has the featureof fully soaking the heat exchange tubes ofthe full-liquid evaporator. In thesiphon evaporator, the refrigerating medium goes through the shell pass,so as to reach the turbulent state at a low flow rate, with low resistancealong the way, and the refrigerating medium side has a high heat transferfactor. The mass flow rate of refrigerant is greatly improved when therefrigerant goes through the tube pass, and the heat transfer factor at theworking medium side is also greatly improved, with high heat transferperformance.

Throttle valve
The liquid level control is subject to internationally advanced importedcontrol valve groups to achieve continuous automatic adjustment andgood reliability.

New 3D printed metal grinding tools are used, which has highercasting accuracy and better appearance, key components areprocessed by advanced machining centers from Japan and Germanyto ensure machining accuracy, patented exhaust port design to reduceexhaust resistance for small noise.

Oil separator
The oil-gas separator of national invention patent is used toachieve multiple impact separation, gravityseparation, and deephigh-efficiency oil-gas filter separation, and achieve efficientoil-gas separation. The gas oil content is less than 5PPM,and a compressor exhaust silencer is installed in the oil separatorto further reduce compressor noise.

Oil cooler
National patented efficient heat exchange tubes,packaged high-precision baffle plates(no gap between the baffle plates and the cylinder),reasonable oil flow rate design, etc. are adopted to greatlyimproveheat exchange efficiency, which has small volume, light weight,stable and reliable heat exchange, and no need for maintenance.

Electric Control

*The while refrigeration unit adopts a fully automated control system;
*The control system has various protections including early warningfor load limit, over limit alarm, and over limit shutdown to ensure safeand stable operation of the compressor;
*The control system adopts PlD energy regulation based on loadchange, which has such advantages as fast load tracking and lowsteady-state error to minimize equipment energy consumption;
*The control system has such functions as operational data collection,monitoring, and storage. The key data is presented in curve charts,with intuitive changing also has historical alarm storage andquery functions;
*The human-machine interface adopts a color LCD touch screen thatsupports multilingual selection; generalization of functions to allowusers to configure the functions based on device type;
*The control system supports 3 protocols simultaneously, ModbusRTU, Modbus TCP, and Profinet, allowing users to freely choose.

Screw compressor condensing unit

Product introduction
The CHINAMFG condensing unit is a series of products developed and designed by CHINAMFG with LG screwcompressors as the core, lt is divided into Z series and D2 series according to the operating conditions. The Z series unitscan be applied to refrigerated and fresh storage warehouses, or as cold sources for cooling systems in such industriesas chemical, pharmaceutical and food processing, the D2 series units can be used as cold sources for quick freezingwarehouses and single freezing machines, as well as low-temperature process cooling systems in such industries aschemical,pharmaceutical,and food processing.

When the compressor unit is used with a power not exceeding the rated power of the motor, please follow the followingconditions:

Operating Conditions of Z Series
ltem Condition
Inlet water temperature 19°C~ 33°C
Evaporation temperature -23C~ 0C
Exhaust temperature < 1. Now Moon-tech is a diversified and international comprehensive equipment industrial enterprise. The main business covers low-temperature refrigeration, central air conditioning, environmental protection heating, energy and chemical equipment, precision castings, smart services, hydrogen energy development, etc. In recent years, CHINAMFG has successively won the titles of Top 30 Enterprises with Core Competitiveness in China's Machinery Industry, Top 100 Enterprises of National Machinery Industry, Meritorious Enterprise of Equipment in China, and Demonstration Enterprise for CHINAMFG Layer Protection.

Our mission: Constantly create value for customers.

Moon-Tech, a leading refrigeration company is your ideal partner in temperature control field!

As a leading company in Chinese refrigeration industry, CHINAMFG has been keeping paces with the world latest technology in order to provide stable, low maintenance and high quality equipments in food processing, low temperature cold storage, petrochemical, semiconductor, chemical industry, hydroelectricity, coal industry etc.

In food cold chain field, CHINAMFG holds more than 60% domestic market share. In overseas market, more than 400 customers from 80 countries and regions have benefited from our products and after sale services.


Our Advantages

1.Based on own factory, our price is below the market average price with quality
2.Professional Service TeamWe have excellent sales men and technicians to quickly solve your problems quicklyand in a timely manner.
3.Flexible Payment Terms
We supply flexible payment terms such as T/T, D/P, L/C at sight, Usance L/C
4.Large Stock
We have large stock ofproducts for your emergency need.
5.Shorter Delivery Period
We have complete production capacity to satisfy your delivery requirement.




Since the advent of the LG series of high-efficiency screw compressors, they have been well-received by users at home andabroad for their great performance and relability. The series products have won the First Prize for scientifc and TechnologicalProgress of ZheJiang Province, First Prize for Scientific and Technological Progress of Ministry of Education, special Awardof Sclentific and Technological Progress of Chinese Assoclation of Refrlgeration and Second Prize for National sclentiftc andTechnological in 2006. CHINAMFG continues to carry out scientific research, and has made key breakthroughs in workingmedia, operating conditions, eneray eficiency indicators, etc, and succesfuly achieved the transformation and upgrading oscrew compressor manufacturing and application. The project of “Key Technologies R&D and Application of Screw Compressoiwith Special Medium under Extreme Working Conditions” won the first Prize for scientifc and Technological progress of Yeal2019 China Machinery Industry.

Packaging & Shipping




1.What’s your advantage? 

A: Honest business with competitive price and professional service on export process.

2.How I believe you?
A : We consider honest as the life of our company, we can tell you the contact information of our some other clients for you to check our credit. Besides, there is trade assurance from Alibaba, your order and money will be well guaranteed.


3.Can you give warranty of your products?
A: Yes, we extend a 100% satisfaction guarantee on all items. Please feel free to feedback immediately if you are not pleased with our quality or service.


4.Where are you?
Can I visit you? A: Sure,welcome to you visit our factory at any time.

5.How about the delivery time?
A: Within 15-35 days after we confirm you requirement.

6.what kind of payment does your company support?
A: T/T, 100% L/C at sight, Cash, Western Union are all accepted if you have other payment,please contact me.

/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Cooling Method: Indirect Cooling
Certification: ISO
Condition: New
Application2: Freezing of Tunnel and Mine Excavation
Advanced Technology: Over 10 Independent Intellectual Property Rights
Power Source: AC Power
US$ 60000/Piece
1 Piece(Min.Order)

Request Sample



air compressor

Can Gas Air Compressors Be Used for High-Pressure Applications?

Gas air compressors can be used for high-pressure applications, but there are certain considerations to keep in mind. Here’s a detailed explanation:

Gas air compressors are available in various sizes and configurations, and their suitability for high-pressure applications depends on factors such as the compressor’s design, power output, and the specific requirements of the application. Here are some key points to consider:

1. Compressor Design:

Not all gas air compressors are designed to handle high-pressure applications. Some compressors are specifically built for low-to-medium pressure ranges, while others are designed to deliver higher pressure outputs. It is important to select a gas air compressor model that is rated for the desired pressure range. The compressor’s specifications and manufacturer’s guidelines will provide information on the maximum pressure it can generate.

2. Power Output:

The power output of a gas air compressor is a crucial factor in determining its suitability for high-pressure applications. High-pressure compressors require more power to achieve and sustain the desired pressure levels. It is important to ensure that the gas air compressor has sufficient power output to meet the demands of the specific high-pressure application.

3. Cylinder Configuration:

The cylinder configuration of the gas air compressor can also affect its ability to handle high-pressure applications. Compressors with multiple cylinders or stages are designed to generate higher pressures compared to compressors with a single cylinder. Multi-stage compressors compress the air in multiple steps, allowing for higher pressure ratios.

4. Safety Considerations:

High-pressure applications require careful attention to safety considerations. Gas air compressors used for high-pressure applications should be equipped with appropriate safety features such as pressure relief valves, pressure gauges, and safety shut-off systems. It is crucial to follow all safety guidelines and regulations to ensure safe operation.

5. Maintenance and Inspection:

Regular maintenance and inspection are essential for gas air compressors used in high-pressure applications. High-pressure operation can put additional stress on the compressor components, and proper maintenance helps ensure optimal performance and safety. Regular inspections and adherence to maintenance schedules will help identify and address any potential issues before they become major problems.

6. Application-specific Considerations:

Each high-pressure application may have specific requirements and considerations. It is important to evaluate factors such as the required pressure level, duty cycle, flow rate, and any specific environmental conditions that may impact the performance of the gas air compressor. Consulting with the compressor manufacturer or a qualified professional can help determine the suitability of a gas air compressor for a particular high-pressure application.

In summary, gas air compressors can be used for high-pressure applications, provided that they are designed, rated, and configured appropriately. It is essential to consider factors such as compressor design, power output, safety features, maintenance requirements, and application-specific considerations to ensure safe and reliable operation at high pressures.

air compressor

Can Gas Air Compressors Be Used for Gas Line Maintenance?

Gas air compressors can be used for certain aspects of gas line maintenance, primarily for tasks that require compressed air. Here’s a detailed explanation:

1. Clearing Debris and Cleaning:

Gas air compressors can be utilized to clear debris and clean gas lines. Compressed air can be directed through the gas lines to dislodge and remove dirt, dust, rust particles, or other contaminants that may accumulate over time. This helps maintain the integrity and efficiency of the gas lines.

2. Pressure Testing:

Gas line maintenance often involves pressure testing to ensure the lines can withstand the required operating pressures. Gas air compressors can provide the necessary compressed air to pressurize the lines for testing purposes. By pressurizing the gas lines with compressed air, technicians can identify any leaks or weaknesses in the system.

3. Leak Detection:

Gas air compressors can also be used in conjunction with appropriate leak detection equipment to identify and locate gas leaks in the gas lines. Compressed air can be introduced into the lines, and the detection equipment can then identify any areas where the compressed air escapes, indicating a potential gas leak.

4. Valve and Equipment Maintenance:

Gas line maintenance may involve the inspection, maintenance, or replacement of valves and associated equipment. Compressed air can be used to clean and blow out debris from valves, purge lines, or assist in the disassembly and reassembly of components.

5. Pipe Drying:

Gas air compressors can aid in drying gas lines after maintenance or repairs. By blowing compressed air through the lines, any residual moisture can be removed, ensuring the gas lines are dry before being put back into service.

6. Precautions and Regulations:

When using gas air compressors for gas line maintenance, it is essential to follow safety precautions and adhere to relevant regulations. Gas line maintenance often involves working in hazardous environments, and proper training, equipment, and procedures must be followed to ensure the safety of personnel and the integrity of the gas system.

It is important to note that gas air compressors should not be used directly for pressurizing or transporting natural gas or other combustible gases. Gas line maintenance tasks involving gas air compressors primarily focus on using compressed air for specific maintenance and testing purposes, as outlined above.

In summary, gas air compressors can be useful for certain aspects of gas line maintenance, including clearing debris, pressure testing, leak detection, valve and equipment maintenance, and pipe drying. However, it is crucial to follow safety guidelines and regulations when working with gas lines and compressed air to ensure the safety and integrity of the gas system.

air compressor

What Fuels Are Commonly Used in Gas Air Compressors?

Gas air compressors can be powered by various fuels depending on the specific model and design. The choice of fuel depends on factors such as availability, cost, convenience, and environmental considerations. Here’s a detailed explanation of the fuels commonly used in gas air compressors:

1. Gasoline:

Gasoline is a widely used fuel in gas air compressors, particularly in portable models. Gasoline-powered compressors are popular due to the widespread availability of gasoline and the convenience of refueling. Gasoline engines are generally easy to start, and gasoline is relatively affordable in many regions. However, gasoline-powered compressors may emit more exhaust emissions compared to some other fuel options.

2. Diesel:

Diesel fuel is another common choice for gas air compressors, especially in larger industrial models. Diesel engines are known for their efficiency and durability, making them suitable for heavy-duty applications. Diesel fuel is often more cost-effective than gasoline, and diesel-powered compressors typically offer better fuel efficiency and longer runtime. Diesel compressors are commonly used in construction sites, mining operations, and other industrial settings.

3. Natural Gas:

Natural gas is a clean-burning fuel option for gas air compressors. It is a popular choice in areas where natural gas infrastructure is readily available. Natural gas compressors are often used in natural gas processing plants, pipeline operations, and other applications where natural gas is abundant. Natural gas-powered compressors offer lower emissions compared to gasoline or diesel, making them environmentally friendly.

4. Propane:

Propane, also known as liquefied petroleum gas (LPG), is commonly used as a fuel in gas air compressors. Propane-powered compressors are popular in construction, agriculture, and other industries where propane is used for various applications. Propane is stored in portable tanks, making it convenient for use in portable compressors. Propane-powered compressors are known for their clean combustion, low emissions, and easy availability.

5. Biogas:

In specific applications, gas air compressors can be fueled by biogas, which is produced from the decomposition of organic matter such as agricultural waste, food waste, or wastewater. Biogas compressors are used in biogas production facilities, landfills, and other settings where biogas is generated and utilized as a renewable energy source. The use of biogas as a fuel in compressors contributes to sustainability and reduces dependence on fossil fuels.

It’s important to note that the availability and suitability of these fuel options may vary depending on the region, infrastructure, and specific application requirements. When selecting a gas air compressor, it’s crucial to consider the compatibility of the compressor with the available fuel sources and to follow the manufacturer’s guidelines regarding fuel selection, storage, and safety precautions.

China factory Air-Cooled CHINAMFG Condensing Unit Two Stage Low Bar CHINAMFG   small air compressor China factory Air-Cooled CHINAMFG Condensing Unit Two Stage Low Bar CHINAMFG   small air compressor
editor by CX 2024-04-25

Recent Posts