China manufacturer Professional Manufacturer of Rotary Two Stage Screw Air Compressor with Oil-Injected/Direct Driven Type for General Industry 12v air compressor

Product Description

Product Description

Two stage air end
Feature:Two-stage compressor air-end
Advantage:Low compression ratio, Low temperature rising, Low air leakage
Benefit:15% energy-saving

High-efficiency Motor
Feature:IE4 permanent magnet motor/IE4 High-efficiency motor
Advantage:Motor efficiency 97%
Benefit:5% energy-saving

Intelligent control
Feature:VFD system
Advantage:Constant pressure output to remove pressure fluctuation and off-load, Constant temperature output at 9-~85°C, Low starting current to protect components
Benefit:15% energy-saving

Smart display screen
Feature:Intelligent control system
Advantage:10 inch monitor to show all the date
Benefit:Simple operation and touble free

Cooling fan
Feature:Large cooler system
Advantage:Axial flow Fan used for good cooling effect
Benefit:Allow ambient temperature at 52°C

Systematic Design of Oil separator
Feature:Large oil system
Advantage:Reduce internal pressure loss avoid oil, Leakage for safety
Benefit:3% energy-saving

Filter
Feature:Double filtering system
Advantage:Remove impurity from air and cleanness
Benefit:Longer life air -end and lubrication oil

Air inlet valve
Feature:High vacuum degree:700mmHg
Advantage:Large suction area, Low load energy consumption in unloaded operation, 
Fast check: prevent unloading and shutdown oil injection
Benefit:Cast aluminum to avoid rust and temperature change

Technical Parameter

1.power frequency

ODEL Air flow Capacity (m³/min)

Power 

(kW)

Noise 

(DB)

Outlet 

Diameter

Dimension ( mm)

Weight 

(Kg)

0.6Mpa 0.7Mpa 0.8Mpa 1.0Mpa 1.3Mpa
DD-75 15.80  14.70  13.00  9.50  8.60  55 70 DN50 2300x1300x1830 1534
DD-100 18.80  17.40  15.50  12.80  10.00  75 72 DN50 2300x1300x1830 1700
DD-125 21.30  20.70  19.50  16.50  13.00  90 72 DN65 2550x1630x1850 2080
DD-150 26.50  26.30  25.00  20.00  18.80  110 72 DN65 2550x1630x1850 2120
DD-175 34.00  32.60  30.00  24.00  20.00  132 78 DN80 3000x1828x2310 4850
DD-220 41.00  38.00  37.00  29.60  24.50  160 78 DN80 3000x1828x2310 5000
DD-250 44.00  41.00  40.00  34.00  31.00  185 78 DN100 3460x1940x2230 5900
DD-275 48.00  44.00  45.00  40.00  33.00  200 78 DN100 3460x1940x2230 6200
DD-275 55.00  51.00  50.00  43.00  38.00  220 80 DN125 3860x2130x2380 8500
DD-350 60.00  57.00  56.00  47.00  43.00  250 80 DN125 3860x2130x2380 8650 

2.Permanent magnet
 

Model Air Delivery (m3/min) Power (kW) Noise (Db) Outlet diameter Dimension (mm) Weight (Kg)
0.7Mpa 0.8Mpa 1.0Mpa 1.3Mpa Length Width Height
DDM-30 4.50 4.20 3.40 2.60 22 68 G1 1440 830 1265 840
DDM-40 6.05 5.80 4.18 4.00 30 68 G11/2 1600 940 1410 950
DDM-50 7.50 6.80 6.00 4.60 37 68 G11/2 1600 940 1410 1050
DDM-60 10.50 9.90 6.80 5.71 45 72 G2 2000 1120 1590 1560
DDM-75 13.60 12.30 10.15 7.00 55 76 DN50 2900 1470 1625 1780
DDM-100 16.00 15.50 12.80 10.20 75 76 DN50 2900 1470 1625 2000
DDM-125 20.70 19.50 16.15 13.20 90 76 DN65 3400 1757 1860 2700
DDM-150 24.80 24.00 20.20 15.21 110 76 DN65 3400 1757 1860 3000
DDM-175 29.00 28.00 23.20 18.70 132 78 DN80 3750 1900 1980 4650
DDM-220 34.00 32.50 28.00 23.10 160 78 DN80 3750 1900 1980 4850
DDM-250 39.00 38.00 32.00 27.70 185 78 DN100 3900 2100 1980 5900
DDM-275 43.20 42.00 38.10 31.90 200 78 DN100 3900 2100 1980 6200
DDM-300 48.51 46.20 41.20 31.60 220 82 DN100 4260 2182 2170 6200
DDM-350 52.50 51.00 45.80 37.20 250 82 DN100 4260 2182 2170 6500

Certificate

Project case

Customer feedback

About us

Dehaha Compressor was founded in 1996 with over 150 skilled employees and more than 25 R&D engineers’ teams.We focus on the research & develop, manufacture and energy-saving solutions of screw air compressor to create value for customers and society.

Dehaha opened to the world since 2015, and now we have a foreign trade department with more than dozens people, serving customers around the world 24 hours. We have sales representatives who can speak English, Spanish, Portuguese, French,and Russian which makes it easier for our clients from all over the world to interact and negotiate with us.now our valued customers are over 130 countries. Germany Standard and 13 years exporting experience help us won more than 50 loyal overseas agents.

Dehaha continuously innovates product development and management to meet customers’ demand. The powerful enterprise culture and continuous innovation make CHINAMFG improved rapidly to reach the business principle “Energy Saving First, Mutual Value Shared”. The production line of CHINAMFG is consist of screw air compressor from 5.5KW to 550KW, oil free air compressor, portable air compressor, permanent magnet variable frequency air compressor, high pressure air compressor and compressed air purification equipment, etc.

Dehaha mission is to be a world-renowned high-end brand, with sustainable development, constantly improving its own value and sharing it with our customers and staff. Committed to offer our customers a silent and energy-saving manufactured products.

Our service

1.24/7 after sales service support in different languages.
2.Follow up the feedback of products in 2 months interval by email or call.
3.Guidance of installation and commissioning on site can be provided by factory-trained technicians or local Authorized Service Center.
4.Technical training for customers in DEHAHA air compressor factory or working site.
5.Plenty of original spare parts with proven quality are all available from our central stocks in ZheJiang and all distributors’depots. 
6.All kinds of technical documents in different languages.

FAQ

1.Why customer choose us? 
DHH CHINAMFG ZheJiang CO.,LTD.with 23 years old history,we are specialized in Rotary Screw Air Compressor.Germany Standard and 13 years exporting experience help us won more than 30 loyal foreign agents.We warmly welcome your small trial order for quality or market test.

2.Are you a manufacturer or trading company?
We are professional manufacturer with big modern factory in HangZhou,China,with professional design team.Both OEM & ODM service can be accepted.

3.Where is your factory located? How can I visit there?
Our factory is located in HangZhou City, ZheJiang Province, China. We can pick up you from ZheJiang , it’s about 1 hour from ZheJiang Xihu (West Lake) Dis. Airport to our factory. Warmly welcome to visit us!

4.What’s your delivery time?
380V 50HZ we can delivery the goods within 14 days. Other electricity or other color we will delivery within 22 days,if urgently order,pls contact our sales in advance.

5.How long is your air compressor warranty?
One year for the whole machine and 2 years for screw air end, except consumable spare parts and we can provide some spare parts of the machines

6.How does your factory do regarding quality control?
Quality is everything. we always attach great importance to quality controlling from the very beginning to the very end. Our factory has gained ISO9001:2015 authentication and CE certificate.

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

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

9.How about your customer service?
24 hours on-line service available.48 hours problem solved promise.

10.How about your after-sales service?
(1) Provide customers with installation and commissioning online instructions.
(2) Well-trained engineers available to overseas service.
(3) CHINAMFG agents and after service available. 

After-sales Service: Online Support
Warranty: 24months
Lubrication Style: Lubricated
Customization:
Available

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Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

air compressor

What is the impact of humidity on compressed air quality?

Humidity can have a significant impact on the quality of compressed air. Compressed air systems often draw in ambient air, which contains moisture in the form of water vapor. When this air is compressed, the moisture becomes concentrated, leading to potential issues in the compressed air. Here’s an overview of the impact of humidity on compressed air quality:

1. Corrosion:

High humidity in compressed air can contribute to corrosion within the compressed air system. The moisture in the air can react with metal surfaces, leading to rust and corrosion in pipes, tanks, valves, and other components. Corrosion not only weakens the structural integrity of the system but also introduces contaminants into the compressed air, compromising its quality and potentially damaging downstream equipment.

2. Contaminant Carryover:

Humidity in compressed air can cause carryover of contaminants. Water droplets formed due to condensation can carry particulates, oil, and other impurities present in the air. These contaminants can then be transported along with the compressed air, leading to fouling of filters, clogging of pipelines, and potential damage to pneumatic tools, machinery, and processes.

3. Decreased Efficiency of Pneumatic Systems:

Excessive moisture in compressed air can reduce the efficiency of pneumatic systems. Water droplets can obstruct or block the flow of air, leading to decreased performance of pneumatic tools and equipment. Moisture can also cause problems in control valves, actuators, and other pneumatic devices, affecting their responsiveness and accuracy.

4. Product Contamination:

In industries where compressed air comes into direct contact with products or processes, high humidity can result in product contamination. Moisture in compressed air can mix with sensitive products, leading to quality issues, spoilage, or even health hazards in industries such as food and beverage, pharmaceuticals, and electronics manufacturing.

5. Increased Maintenance Requirements:

Humidity in compressed air can increase the maintenance requirements of a compressed air system. Moisture can accumulate in filters, separators, and other air treatment components, necessitating frequent replacement or cleaning. Excessive moisture can also lead to the growth of bacteria, fungus, and mold within the system, requiring additional cleaning and maintenance efforts.

6. Adverse Effects on Instrumentation:

Humidity can adversely affect instrumentation and control systems that rely on compressed air. Moisture can disrupt the accuracy and reliability of pressure sensors, flow meters, and other pneumatic instruments, leading to incorrect measurements and control signals.

To mitigate the impact of humidity on compressed air quality, various air treatment equipment is employed, including air dryers, moisture separators, and filters. These devices help remove moisture from the compressed air, ensuring that the air supplied is dry and of high quality for the intended applications.

air compressor

What safety precautions should be taken when working with compressed air?

Working with compressed air requires adherence to certain safety precautions to prevent accidents and ensure the well-being of individuals involved. Here are some important safety measures to consider:

1. Personal Protective Equipment (PPE):

Wear appropriate PPE, including safety goggles or a face shield to protect eyes from flying debris or particles, hearing protection to reduce noise exposure, and gloves to safeguard hands from potential hazards.

2. Compressed Air Storage:

Avoid storing compressed air in containers that are not designed for this purpose, such as soda bottles or makeshift containers. Use approved and properly labeled air storage tanks or cylinders that can handle the pressure and are regularly inspected and maintained.

3. Pressure Regulation:

Ensure that the air pressure is regulated to a safe level suitable for the equipment and tools being used. High-pressure air streams can cause serious injuries, so it is important to follow the manufacturer’s recommendations and never exceed the maximum allowable pressure.

4. Air Hose Inspection:

Regularly inspect air hoses for signs of damage, such as cuts, abrasions, or leaks. Replace damaged hoses immediately to prevent potential accidents or loss of pressure.

5. Air Blowguns:

Exercise caution when using air blowguns. Never direct compressed air towards yourself or others, as it can cause eye injuries, hearing damage, or dislodge particles that may be harmful if inhaled. Always point blowguns away from people or any sensitive equipment or materials.

6. Air Tool Safety:

Follow proper operating procedures for pneumatic tools. Ensure that tools are in good working condition, and inspect them before each use. Use the appropriate accessories, such as safety guards or shields, to prevent accidental contact with moving parts.

7. Air Compressor Maintenance:

Maintain air compressors according to the manufacturer’s guidelines. Regularly check for leaks, clean or replace filters, and drain moisture from the system. Proper maintenance ensures the safe and efficient operation of the compressor.

8. Training and Education:

Provide adequate training and education to individuals working with compressed air. Ensure they understand the potential hazards, safe operating procedures, and emergency protocols. Encourage open communication regarding safety concerns and implement a culture of safety in the workplace.

9. Lockout/Tagout:

When performing maintenance or repairs on compressed air systems, follow lockout/tagout procedures to isolate the equipment from energy sources and prevent accidental startup. This ensures the safety of the individuals working on the system.

10. Proper Ventilation:

Ensure proper ventilation in enclosed areas where compressed air is used. Compressed air can displace oxygen, leading to a potential risk of asphyxiation. Adequate ventilation helps maintain a safe breathing environment.

By adhering to these safety precautions, individuals can minimize the risks associated with working with compressed air and create a safer work environment.

air compressor

Are there portable air compressors available for home use?

Yes, there are portable air compressors specifically designed for home use. These portable models offer convenience, versatility, and ease of use for various tasks around the house. Here are some key points about portable air compressors for home use:

1. Compact and Lightweight: Portable air compressors are typically compact and lightweight, making them easy to transport and store. They are designed with portability in mind, allowing homeowners to move them around the house or take them to different locations as needed.

2. Electric-Powered: Most portable air compressors for home use are electric-powered. They can be plugged into a standard household electrical outlet, eliminating the need for gasoline or other fuel sources. This makes them suitable for indoor use without concerns about emissions or ventilation.

3. Versatile Applications: Portable air compressors can be used for a wide range of home applications. They are commonly used for inflating tires, sports equipment, and inflatable toys. They are also handy for operating pneumatic tools such as nail guns, staplers, and paint sprayers. Additionally, portable air compressors can be used for cleaning tasks, powering airbrushes, and other light-duty tasks around the house.

4. Pressure and Capacity: Portable air compressors for home use typically have lower pressure and capacity ratings compared to larger industrial or commercial models. They are designed to meet the needs of common household tasks rather than heavy-duty applications. The pressure and capacity of these compressors are usually sufficient for most home users.

5. Oil-Free Operation: Many portable air compressors for home use feature oil-free operation. This means they do not require regular oil changes or maintenance, making them more user-friendly and hassle-free for homeowners.

6. Noise Level: Portable air compressors designed for home use often prioritize low noise levels. They are engineered to operate quietly, reducing noise disturbances in residential environments.

7. Cost: Portable air compressors for home use are generally more affordable compared to larger, industrial-grade compressors. They offer a cost-effective solution for homeowners who require occasional or light-duty compressed air applications.

When considering a portable air compressor for home use, it’s important to assess your specific needs and tasks. Determine the required pressure, capacity, and features that align with your intended applications. Additionally, consider factors such as portability, noise level, and budget to choose a suitable model that meets your requirements.

Overall, portable air compressors provide a practical and accessible compressed air solution for homeowners, allowing them to tackle a variety of tasks efficiently and conveniently within a home setting.

China manufacturer Professional Manufacturer of Rotary Two Stage Screw Air Compressor with Oil-Injected/Direct Driven Type for General Industry   12v air compressorChina manufacturer Professional Manufacturer of Rotary Two Stage Screw Air Compressor with Oil-Injected/Direct Driven Type for General Industry   12v air compressor
editor by CX 2023-10-09