Product Description

Product Introduction
Highly Brand Stars LGZJ36-30 41-20 Diesel Deep Water Well Air Compressor

Kaishan Diversified products
Starting from a 3.7kW (5 horsepower) low-power air compressor, the company has developed into 1 of the world’s leading manufacturers of full-spectrum compressors, from the technical path, from sliding vane type, screw type to high-pressure reciprocating, scroll type , Centrifugal, axial flow, single screw type, everything; from the application market, from air compressors to various process compressors, gas compressors, refrigerant compressors, refrigeration compressors, blowers, vacuum pumps, comprehensive applications. The maximum power has reached 5000kW, and the maximum pressure has reached 800bar. In addition, CHINAMFG also has 2 series of expansion generators.

Kaishan LGZJ Stationary Diesel Screw Air Compressor

1>  It fully realizes “Convex-Convex” engagement to assist in the formation of hydrodynamic lubrication film, to reduce horizontal leakage passing the contact zone, and to improve efficiency of the compressor; improve rotor processing and testing property.

2> It adopts the design thought of “large rotor, large bearing and low speed method”, thus its revolving speed is 30-50% lower than that of other brands to reduce noise, vibration, and exhaust temperature, improve rotor rigidity, increase service life, and reduce sensibility to sundries and oil carbide.

3> Its power range is 4~355KW, where 18.5~250KW applies to the compressor without direct-coupled gearbox, 200KW and 250KW apply to the compressor with Level 4 direct-coupled motor and the speed is as low as 1480 rmp.
 

Product Parameters

Product number	Exhaust pressure	Exhaust volume	Matching engine power	Exhaust connection	Weight	Dimensions
	(Mpa)	(m³/min)	(HP)		(kg)	(mm)
LGZJ-27/25-30/20	2.0-2.5	27-30	Yuchai Country 3 : 400HP	G2x1,G3/4×1	4100	3650x2000x2200
LGZJ-31/25-35/18	1.7-2.5	31-35	Yuchai Country 3 : 400HP	G2x1,G3/4×1	4100	3650x2000x2200
LGZJ-37/25-41/17	1.7-2.5	37-41	Yuchai Country 3 : 560HP	G2x1,G3/4×1	4800	3800x2200x2320
LGZJ-36/30-41/20	2.0-3.0	36-41	Yuchai Country 3 : 560HP	G2x1,G3/4×1	4800	3800x2200x2320
LGZJ-36/30-41/20K	2.0-3.0	36-41	Cummin Country 3 : 550HP	G2x1,G3/4×1	4800	3800x2200x2320
LGZJ-45/30-49/21	2.1-3.0	45-49	Yuchai Country 3 : 750HP	G2x1,G3/4×1

Detailed Photos
1. SKY patent screw host
Kaishan patented screw host design 
Rotor profile: patented rotor profile for highest efficiency
Two-stage compression: corresponding to the flexible design of the poppet valve, the global invention patented heavy-duty design.
The best structure, the highest reliability
 

2. Heavy duty special diesel engine
Equipped with Yuchai, CHINAMFG and other national III heavy-duty diesel engines. The best combustion state is achieved in the entire range of engine operation. The product has higher reliability, stronger power, and better fuel economy.

3. Air filtration system
he patented, maintenance-free centrifugal air pre-filter filters out more than 90% of dust and impurities, extending the maintenance and replacement cycle of the filter element by 5 times; the precision filter layer of the cyclone main air filter filters out the remaining dust. Ensure that the machine is not worn; the safety filter element allows the machine to perform air filter maintenance without stopping the machine to ensure the safe operation of the machine. Suitable for continuous operation in harsh environments such as deserts and dust

4. Computer control system
The whole process displays operating parameters such as operating speed, air supply pressure, exhaust temperature, coolant temperature, fuel level and so on. It has self-diagnostic failure, alarm and shutdown functions to ensure the safe operation of the machine when unattended.
Optional remote network monitoring system, you can see the operating status of the machine at a glance even if you are sitting in the office.

5. Oil and gas separation system
Reduce the influence of too much or too little oil in the separator on the oil content of the compressed air, and always keep the oil content of the compressed air below 3ppm. Clean compressed air is conducive to the safe operation of air-consuming equipment.

Why Choose Us
Kaishan group is a state-level large scale enterprise headquartered in HangZhou, ZHangZhoug province, China. Over the last 60 years CHINAMFG Group has grown to become a significant diversified engineering company developing high value machinery for industry worldwide. CHINAMFG group is the largest rock drill manufacturer in the world, and the largest air compressor manufacturer in China. Exports are shipped to over 25 countries .Today we produce over 30 000 rotary screw and 250 000 reciprocating compressors annually.By the year of 2014 our sales amount was close to RMB 2 billion. CHINAMFG group also has the high-quality customer service system.
Our company is the authorized agent of CHINAMFG Group, specializing in air compressor, energy-saving transformation service and mining engineering construction machinery. We provide comprehensive technical support and after-sales service to customers.
We have been in ZheJiang water measuring instrument for more than 10 years and have a series of PASSED certificates, such as CE, TUV, BV, ISO. 2. For different geology, our water CHINAMFG have excellent performance.

In 2009, CHINAMFG established Jersey North American Research Center in Seattle in the United States, attracting many top-notch compressor experts from around the world and creating a new model that is aptly described as “developed in America, Made in China”

Kaishan is headquartered in HangZhou in ZHangZhoug, China. It has subsidiaries in ZheJiang , Chgonqing, ZheJiang , ZheJiang , Hong Kong, Seattle, San Diego, Orlando, Melbourne, Singapore, Jakarta, Leobersdorf, Budapest and Belgrade, as well as offices in Russia, Colombia, Brazil, Korea, Malaysia and Thailand.

Product quality is strictly controlled

Advanced Equipment–Advanced equipment guarantees product quality. Over the years, we have received unanimous praise from overseas users for our integrity and high-quality product quality.

Oversea Customer

Our customers are distributed all over the world. You are not alone. The quality of our machines is very good. Customers have given us certain affirmations. Contact us for information about the machine.

We will guide you on how to use the machine and interpret the data.
We have a user group for all new users in WhatsApp, the geologist will give support if you need help anytime.

FAQ

Q1: Are you a factory or trade company?
A1: We are a factory. And we have ourselves trading company.

Q2: What is the exact address of your factory?
A2: Our company is located in JNo.9 Kaixuan Ave West, Economic Zone HangZhou, ZHangZhoug, China

Q3: Warranty terms of your machine?
A3: One-year warranty for the machine and technical support according to your needs.

Q4: Will you provide some spare parts for the machines?
A4: Yes, of course.

Q5: What about the voltage of products? Can they be customized?
A5: Yes, of course. The voltage can be customized according to your requirements.

Q6: Which payment term can you accept?
A6: 30% T/T in advanced, 70% T/T against the B/L copy.

Q7: How long will you take to arrange production?
A7: 380V 50HZ we can deliver the goods within 7-15 days. Other electricity or another color we will delivery within 25-30 days.

Q8: Can you accept OEM orders?
A8: Yes, with a professional design team, OEM orders are highly welcome.

Q9: Which trade term can you accept?
A9: Available trade terms: FOB, CIF, CFR, EXW, CPT, etc.

Contacts

ZHangZhoug Stars Energy Saving Technology Co., Ltd.

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What are the advantages of using an air compressor in construction?

Using an air compressor in construction offers numerous advantages that contribute to increased efficiency, productivity, and versatility. Here are some key benefits of using air compressors in construction:

• Powering Pneumatic Tools: Air compressors are commonly used to power a wide range of pneumatic tools on construction sites. Tools such as jackhammers, nail guns, impact wrenches, drills, and sanders can be operated using compressed air. Pneumatic tools are often preferred due to their lightweight, compact design and ability to deliver high torque or impact force.
• Efficient Operation: Air compressors provide a continuous and reliable source of power for pneumatic tools, allowing for uninterrupted operation without the need for frequent battery changes or recharging. This helps to maintain a smooth workflow and reduces downtime.
• Portability: Many construction air compressors are designed to be portable, featuring wheels or handles for easy maneuverability on job sites. Portable air compressors can be transported to different areas of the construction site as needed, providing power wherever it is required.
• Versatility: Air compressors are versatile tools that can be used for various applications in construction. Apart from powering pneumatic tools, they can also be utilized for tasks such as inflating tires, cleaning debris, operating air-operated pumps, and powering air horns.
• Increased Productivity: The efficient operation and power output of air compressors enable construction workers to complete tasks more quickly and effectively. Pneumatic tools powered by air compressors often offer higher performance and faster operation compared to their electric or manual counterparts.
• Cost Savings: Air compressors can contribute to cost savings in construction projects. Pneumatic tools powered by air compressors are generally more durable and have longer lifespans compared to electric tools. Additionally, since air compressors use compressed air as their power source, they do not require the purchase or disposal of batteries or fuel, reducing ongoing operational expenses.
• Reduced Electrocution Risk: Construction sites can be hazardous environments, with the risk of electrocution from electrical tools or equipment. By utilizing air compressors and pneumatic tools, the reliance on electrical power is minimized, reducing the risk of electrocution accidents.

It is important to select the appropriate air compressor for construction applications based on factors such as required air pressure, volume, portability, and durability. Regular maintenance, including proper lubrication and cleaning, is crucial to ensure the optimal performance and longevity of air compressors in construction settings.

In summary, the advantages of using air compressors in construction include powering pneumatic tools, efficient operation, portability, versatility, increased productivity, cost savings, and reduced electrocution risk, making them valuable assets on construction sites.

How are air compressors used in refrigeration and HVAC systems?

Air compressors play a vital role in refrigeration and HVAC (Heating, Ventilation, and Air Conditioning) systems, providing the necessary compression of refrigerant gases and facilitating the heat transfer process. Here are the key ways in which air compressors are used in refrigeration and HVAC systems:

1. Refrigerant Compression:

In refrigeration systems, air compressors are used to compress the refrigerant gas, raising its pressure and temperature. This compressed gas then moves through the system, where it undergoes phase changes and heat exchange to enable cooling or heating. The compressor is the heart of the refrigeration cycle, as it pressurizes and circulates the refrigerant.

2. Refrigeration Cycle:

The compression of refrigerant gas by the air compressor is an essential step in the refrigeration cycle. After compression, the high-pressure, high-temperature gas flows to the condenser, where it releases heat and condenses into a liquid. The liquid refrigerant then passes through an expansion valve or device, which reduces its pressure and temperature. This low-pressure, low-temperature refrigerant then enters the evaporator, absorbing heat from the surrounding environment and evaporating back into a gas. The cycle continues as the gas returns to the compressor for re-compression.

3. HVAC Cooling and Heating:

In HVAC systems, air compressors are used to facilitate cooling and heating processes. The compressor compresses the refrigerant gas, which allows it to absorb heat from the indoor environment in the cooling mode. The compressed gas releases heat in the outdoor condenser unit and then circulates back to the compressor to repeat the cycle. In the heating mode, the compressor reverses the refrigeration cycle, absorbing heat from the outdoor air or ground source and transferring it indoors.

4. Air Conditioning:

Air compressors are an integral part of air conditioning systems, which are a subset of HVAC systems. Compressed refrigerant gases are used to cool and dehumidify the air in residential, commercial, and industrial buildings. The compressor pressurizes the refrigerant, initiating the cooling cycle that removes heat from the indoor air and releases it outside.

5. Compressor Types:

Refrigeration and HVAC systems utilize different types of air compressors. Reciprocating compressors, rotary screw compressors, and scroll compressors are commonly used in these applications. The selection of the compressor type depends on factors such as system size, capacity requirements, efficiency, and application-specific considerations.

6. Energy Efficiency:

Efficient operation of air compressors is crucial for refrigeration and HVAC systems. Energy-efficient compressors help minimize power consumption and reduce operating costs. Additionally, proper compressor sizing and system design contribute to the overall energy efficiency of refrigeration and HVAC systems.

By effectively compressing refrigerant gases and facilitating the heat transfer process, air compressors enable the cooling and heating functions in refrigeration and HVAC systems, ensuring comfortable indoor environments and efficient temperature control.

How does an air compressor work?

An air compressor works by using mechanical energy to compress and pressurize air, which is then stored and used for various applications. Here’s a detailed explanation of how an air compressor operates:

1. Air Intake: The air compressor draws in ambient air through an intake valve or filter. The air may pass through a series of filters to remove contaminants such as dust, dirt, and moisture, ensuring the compressed air is clean and suitable for its intended use.

2. Compression: The intake air enters a compression chamber, typically consisting of one or more pistons or a rotating screw mechanism. As the piston moves or the screw rotates, the volume of the compression chamber decreases, causing the air to be compressed. This compression process increases the pressure and reduces the volume of the air.

3. Pressure Build-Up: The compressed air is discharged into a storage tank or receiver where it is held at a high pressure. The tank allows the compressed air to be stored for later use and helps to maintain a consistent supply of compressed air, even during periods of high demand.

4. Pressure Regulation: Air compressors often have a pressure regulator that controls the output pressure of the compressed air. This allows the user to adjust the pressure according to the requirements of the specific application. The pressure regulator ensures that the compressed air is delivered at the desired pressure level.

5. Release and Use: When compressed air is needed, it is released from the storage tank or receiver through an outlet valve or connection. The compressed air can then be directed to the desired application, such as pneumatic tools, air-operated machinery, or other pneumatic systems.

6. Continued Operation: The air compressor continues to operate as long as there is a demand for compressed air. When the pressure in the storage tank drops below a certain level, the compressor automatically starts again to replenish the compressed air supply.

Additionally, air compressors may include various components such as pressure gauges, safety valves, lubrication systems, and cooling mechanisms to ensure efficient and reliable operation.

In summary, an air compressor works by drawing in air, compressing it to increase its pressure, storing the compressed air, regulating the output pressure, and releasing it for use in various applications. This process allows for the generation of a continuous supply of compressed air for a wide range of industrial, commercial, and personal uses.

editor by lmc 2025-02-24