China Professional Silent 8 Bar 10 Bar Oilless Belt Drive Pm VSD Oil Free Scroll Type Air Compressor for Dental/Laboratory/Food/Medical supplier

Product Description

Product Description

Silent 8 Bar 10 Bar Oilless Belt Drive PM VSD Oil Free Scroll Type Air Compressor for Dental/Laboratory/Food/Medical
Model:DCO30-A8
Capacity:3.4m3/min
Working pressure:8 bar
Rated power: 3.7kw 5hp
Drive mode: direct driven mode
Control type: pressure sensor control,7″ touch screen PLC

Working principle

The compression process of the oil-free scroll is realized by the rotating motion of the stationary scroll and the movable scroll.
The air enters from the outside of the main engine, and after the air is sucked in, the moving scroll closes the air inlet. With the rotation of the movable scroll, the air is continuously compressed, and the compressed oil-free air is sent from the center of the stationary scroll. This process is repeated continuously to ensure that the discharged compressed air is continuous and without fluctuation.

Features and advantages

100% oil free
It can be used in any industry, especially suitable for users who require high oil content in compressed air.
Run quietly
Scroll air compressors operate with extremely low noise and a healthier working environment.
Easy to install
It occupies a small area and can be installed near the gas point, thereby reducing the installation of compressed air pipe network and effectively reducing the installation cost of the pipe network.
Simple maintenance
There is no need to replace or add lubricating oil, only a small amount of consumables need to be replaced regularly, and the maintenance cost is low.
Zero emission
Only condensate is discharged, no harmful substances are discharged, in line with sustainable development goals.

Technical Parameters

Model Capacity(m³/min ) Power(kW) Host architecture Exhaust pressure(Mpa) Noise(dB) Outlet diameter Dimensions (mm) L*W*H Weight(kg)
DHH2OS 0.24 2.2 2.2*1 0.8 58±2 1/2 640*660*890 200
DHH3OS 0.41 3.7 3.7*1 0.8 58±2 1/2 640*660*890 220
DHH3OS 0.36 3.7 3.7*1 1 58±2 1/2 640*660*890 220
DHH5OS 0.60 5.5 5.5*1 0.8 58±2 1/2 640*660*890 240
DHH7OS 0.82 7.5 3.7*2 0.8 58±2 3/4 1000*690*990 300
DHH7OS 0.72 7.5 3.7*2 1 58±2 3/4 1000*690*990 300
DHH11OS 1.25 11 5.5*2 0.8 58±2 3/4 1000*690*990 340
DHH11OS 1.25 11 3.7*3 0.8 58±2 3/4 1150*690*1700 430
DHH11OS 1.08 11 3.7*3 1 58±2 3/4 1150*690*1700 430
DHH15OS 1.66 15 3.7*4 0.8 62±2 1 1490*1150*1290 620
DHH15OS 1.44 15 3.7*4 1 62±2 1 1490*1150*1290 620
DHH16OS 1.80 16.5 5.5*3 0.8 62±2 1 1150*690*1700 490
DHH18OS 2.14 18.5 3.7*5 0.8 65±2 1 1490*1150*1700 840
DHH18OS 1.77 18.5 3.7*5 1 65±2 1 1490*1150*1700 840
DHH22OS 2.55 22 5.5*4 0.8 65±2 1 1490*1150*1290 700
DHH22OS 2.55 22 3.7*6 0.8 65±2 1 1490*1150*1700 910
DHH22OS 2.11 22 3.7*6 1 68±2 1 1490*1150*1700 910
DHH30OS 3.40 30 3.7*8 0.8 68±2 5/4 1490*1150*2140 1140
DHH30OS 2.81 30 3.7*8 1 68±2 5/4 1490*1150*2140 1140
DHH33OS 3.60 33 5.5*6 0.8 68±2 5/4 1490*1150*1700 1571

Clean oil free compressed air

Adopt 74 degree conicity dry seamless, more reliable seamless, eliminate air leakage. Not just compression process is oil free, but also on the afterward transportation adopt stainless steel pipe, stainless steel check valve, stainless steel air receiver(for air receiver mounted), ensure the quality of compressed air.

High efficiency scroll air end

Adopt the advanced oil free scroll airend, reliable bearing and grease, make sure the reliability and long life-span of airend, high precise machine for motivated scroll, fixed scroll and housing, ensure high efficiency of airend. Reliable seamless material, ensure compression chamber and lubricated transmit 100% be separate, ensure compressed air is oil free.

High Reliability

Cooling fan adopt integrated centrifugal impeller, low noise, high cooling air pressure, high cooling air, ensure the cooling air is enough, ventilation fan adopt silence axial fan, ensure the heat inside of cabinet could be eliminated in time. Heat exchange has been increased 20%-30%, anticorrosive treatment inner structure, after strict testing, ensure the exhausting air less than environment temp.+10-15ºC, reduce the burden of downstream equipment. Adopt direct driven, not belt driven, improve transmission efficiency & reliability, reduce the maintenance cost of changing belt.

Certifications

Certificate

Project case

 

Project Case

Customer feedback

 

Customer Feedback

 

Company Profile

About Us
Dehaha Compressor was founded in 1996 with over 150 skilled employees and more than 25 R&D engineersteams ‘ .We focus on the research & develop,manufacture and energy-saving solutions of screw air compressor to create value for customers and society.In 2018 our total sales volume approached 15 million US dollars.By over 23 years enhanced experiences of designing,producing and marketing,today our valued customers are over 130 countries.
Germany Standard and 13 years exporting experience help us won more than 50 loyal overseas agents.

Dehaha’s primary businesses focus in following key areas:
Oil-injected rotary screw compressors
Portable screw air compressors
Oil free air compressors
High pressure air compressors
Air treatment equipment

At Dehaha,we earn our customers’ trust and satisfaction by manufacturing the superior quality compressed air
products for all industries.All of our products are designed for reliable performance,easy maintenance,and maximum energy efficiency.We have sales representatives who can speak English,Spanish,French,and Russian which makes it easier for our clients from all over the world to interact and negotiate with us.

Dehaha continuously innovates product development and management to meet customers’ demand.The powerful enterprise culture and continuous innovation make CZPT improved rapidly to reach the business principle”Energy Saving First, Mutual Value Shared”. CZPT 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

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

FAQ

Q1. Are you trading company or manufacture ?
A: We are professional manufacture of screw air compressor of ZheJiang , China, more than 24 years.
 

Q2. How long is the delivery time ?
A: For standard voltage ,15 working days. Non-standard ,please contact our sales.
 

Q3. What’s payment term ?
A: T/T, L/C, D/P, Western Union, Paypal, Credit Card, and etc. Also we could accept USD, RMB, Euro and other currency.
 

Q4. How about your after-sales service ?
A: 1.Provide customers with installation and commissioning online instructions.
     2. Well-trained engineers available to overseas service.
     3.CZPT agents and after service avaiable.arrange our engineers to help you training and installation.
 

Q5. How about your warranty?
A: One year for the whole machine and 2 years for screw air end, except consumable spare parts.
 

Q6. Do you have any certificate ?
A: Yes, per different customer’s market need ,we can offer CE ,ISO etc certificate.
 

Q7. What about the maintenance ?
A: First maintenance need to be done after 500Hours, and then every 2000-3000 hours to do the normal maintenance, and consider the actual environment.
 

Q8. How do you control quality ?
A: 1.The raw materials are strictly inspected
     2. Some key parts are imported from overseas
     3.Each compressor must pass at least 5 hours of continuous testing before leaving the factory.
 

Q9. Do you offer OEM service ?
A: Yes.Both OEM & ODM service can be accepted.
 

Q10.How long could your air compressor be used?
A: Generally, more than 10 years.

After-sales Service: Online Support
Warranty: 24months
Lubrication Style: Lubricated
Cooling System: Air Cooling
Power Source: AC Power
Cylinder Position: Vertical
Customization:
Available

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air-compressor

How to Repair and Maintain an Air Compressor

A compressor is a device used to move air from one place to another. Air enters the air compressor through the intake valve. Inside the compressor, the vanes on the inner rotor rotate within an eccentric cavity. The self-adjusting length arm divides the space into multiple cavities of different sizes. As the rotor rotates, air fills the cavity. As air flows around the cavity, it builds pressure and is squeezed out of the compressor output.

Positive displacement

Positive displacement air compressors use reciprocating pistons to compress air. Gas is drawn in during the suction stroke and compressed by moving the piston in the opposite direction. It then discharges the compressed air by moving it in the opposite direction. This type of air compressor is most commonly found in automobiles, refrigerators, and other applications that require high pressure. However, it is not as efficient as a centrifugal compressor.
Most modern air compressors use positive displacement. Positive displacement models capture a volume of air in the compression chamber and distribute it when the pump is operating at maximum capacity. They are more economical than their negative displacement counterparts. Reciprocating screw air compressors are the most common positive displacement compressors. The reciprocating screw air compressor adopts a water jacket around the cylinder and is often used in processes such as oil drilling.
A bicycle pump is an example of positive displacement compression. Air is drawn into the cylinder and compressed by the moving piston. A piston compressor works on the same principle, but it uses a rotating crankshaft or connecting rod to complete the movement of the pistons. There are two types of positive displacement compressors: single-acting and double-acting. Both types work on the same principle, both are positive displacement compressors. The difference between the two types is the pressure ratio.
In air compression, positive displacement compression reduces the volume of the fluid and reduces its viscosity. This results in higher pressure ratios and is used in centrifugal, axial, and scroll compressors. Positive displacement is a common feature of most air compressors. Positive displacement compressors offer the same benefits and are more energy-efficient when applied to oil-free and gas applications. This type of compression is usually the best choice for low-pressure applications.

oil free

If you’re looking for an air compressor for your business, consider an oil-free air compressor. These models offer cleaner, quieter operation than traditional air compressors and require less maintenance. They also meet ISO Class 0 or Class 1 air purity requirements. Oil-free air compressors are also quieter, with fewer moving parts and less noise. These advantages make oil-free air compressors an ideal solution for many commercial applications.
Air purity is critical in many industries. Even the tiniest drop of oil can damage production equipment or damage products. The best way to find an oil-free air compressor for your business is to consider the process and end product. As air quality improves, more and more businesses are turning to oil-free compressors. Some of the advantages and disadvantages of these air compressors are:
When choosing an oil-free air compressor, it is important to understand the terminology used in the industry. Knowing these terms will make it easier for you to choose the right compressor for your needs. ACTFM, or actual cubic feet per minute, is an industry term for measuring the amount of air pumped in one minute under rated conditions. Although a simple number, it can be very useful in determining which type of air compressor is best for your application.
The ISO 8573-1 international standard defines air quality and provides air purity classifications. The strictest classification is air purity class 0. Many manufacturers claim that oil-free air compressors meet this standard. However, a class 0 oil-free air compressor does not necessarily mean that the air is free of contaminants. In fact, Class 0 is the benchmark for air purity. While zero air quality is the highest level, that doesn’t mean it’s completely oil-free.
air-compressor

double acting

A double-acting air compressor is a device that uses compressed air to generate electricity. Its working principle is based on piston and connecting rod. The connecting rod connects the crankshaft to the piston through pins and caps. The piston moves as the piston moves. Rods are usually made of forged carbon steel. In terms of service and maintenance, double-acting compressors require regular vise maintenance and proper cleaning.
The displacement of the compressor is a measure of the displacement that the piston can produce in a certain period of time. Displacement is usually expressed in actual cubic feet per minute. The exact calculation depends on the type of cylinder and the configuration of the compressor. Single-acting cylinders can have head-end or crank-end displacement, both of which can be measured using the displacement equation. A double-acting air compressor will use this equation. 4 and 6 calculate the displacement.
Double-acting air compressors have multiple cylinders and are made of cast iron. They are water-cooled and have a mechanical connection between the piston and connecting rod. A double-acting compressor compresses air twice per revolution of the motor. One cylinder moves up, while the other cylinder moves down. The piston moves down, allowing air to enter through valve #1. During the operation of the compressor, the temperature of the air and gas increases.
Double-acting air compressors typically have high pressure and are considered workhorses. Double-acting compressors also feature intercooling and double compression. As a result, these machines tend to last longer than single-acting compressors. Its low speed and dual compression make it a workhorse in the compressor industry. Double-acting air compressors are workhorses and versatile devices.
air-compressor

fuel tank pressure switch

You can adjust the pressure in the air compressor tank by adjusting the differential pressure. You can turn the mainspring clockwise or counterclockwise to increase or decrease the pressure. This valve will open when the pressure is low enough to start the compressor. If the pressure is too low, the valve should be closed. The cut-in and cut-out pressures should be set to appropriate values. After adjusting the tank pressure, check the hysteresis of the tank pressure switch and set the desired shutoff pressure.
If the pressure in the tank falls below the cut-in level, the tank pressure switch must be replaced. You can test the switch with a multimeter. Make sure the switch is not damaged. If you can’t find the switch, you can look at the other sections. If you find any damaged or missing parts, you should replace them. Otherwise, it may be time to check the tank pressure switch. You may need to disassemble the compressor and remove the switch.
The fuel tank pressure switch is an important part of the air compressor. It keeps you informed of the amount of air delivered by the compressor. If your tank or tank is damaged, your readings will be wrong. If the pressure switch is damaged, it will not function properly and result in incorrect readings. Fortunately, there are some easy ways to fix this. To prevent this from happening, keep the tank pressure switch in good condition.
When the air pressure in the tank drops to the cut-in pressure setting, the switch allows power to flow through it. This will start the motor and pump of the air compressor. Then, if the pressure in the tank rises above the cut-off level, the switch will trip and stop the compressor. This will prevent it from being over-pressurized. Power flow will continue to flow to the motor. Depending on your compressor model, you can change the cut-in and cut-out pressures as needed.

energy source

The power supply of the air compressor is very important. Most air compressors run on 12 VDC, which is ideal for automotive use. Alternatively, you can buy a switching power supply for around $20. No matter which power supply you choose, you must ensure that it can support the maximum current of the compressor. You can find power supplies in all sizes, from quarter-horsepower to five-horsepower.
The voltage required for a three-phase air compressor will vary. Three-phase air compressors require three separate power cords and a three-phase electrical service panel. This is because a standard 120/240-volt electrical service panel is not sufficient to power a three-phase compressor. Additionally, three-phase compressors require three separate isolated wires for the engine and motor circuits. Three-phase compressors do not require a neutral wire.

China Professional Silent 8 Bar 10 Bar Oilless Belt Drive Pm VSD Oil Free Scroll Type Air Compressor for Dental/Laboratory/Food/Medical   supplier China Professional Silent 8 Bar 10 Bar Oilless Belt Drive Pm VSD Oil Free Scroll Type Air Compressor for Dental/Laboratory/Food/Medical   supplier
editor by CX 2023-06-14

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