Air compressors have evolved over the years for both domestic and commercial tools. If you want to buy an air compressor today, you will be spoilt for choice. There are two main categories of compressors, namely the rotary screw and reciprocating compressors. For you to make an informed decision, you should understand the features of both machines.
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&#; The Difference
The main difference is the features that enable these compressors to create air pressure. The reciprocating type uses pistons while the rotary screw use rollers. Here are a few more differences between these two types of compressors.
&#; Pistons
The reciprocating compressors have a piston in the gas chambers. The piston moves to the cylinder&#;s base to create space for air to get into the gas cylinder, then the piston moves upwards and creates gas pressure that opens the gas cylinder. The piston creates air pressure by moving away from the vent then back again.
&#; Rollers
The 30 hp screw air compressor uses rollers. These rollers are in the middle of the cylinder in a shaft and revolve very fast, creating air pressure. One end of the shaft allows air in, and after going through the whirling rollers, the air supplied out is at high pressure.
&#; Power Efficiency
Rotary screw compressors are widely taken up with a larger market share of about 40%, and the 30 hp rotary screw electric compressor takes up 20%. The rest of the users go for electronic gadgets. Rotary screw compressors are robust and inexpensive to maintain.
Many industrial investors go for the rotary screw because it can supply the high demand for the air needed for busy factories. The technology used in a 30 hp rotary screw air compressor has developed over time, making these compressors more efficient and reliable.
Plants owners go for energy-efficient options, which has made rotary screw compressors very popular. Reciprocating compressors are expensive to buy and take time to give back substantial returns on investments. Rotary screw compressor lasts for a long time with little spare part replacement.
Maintenance
Industrial machines require mechanical servicing from time to time. Air compressors have to be serviced and checked for any faulty parts and have them replaced on time. A 30 hp rotary screw electric compressor is less expensive in maintenance compared to the reciprocating compressors.
The latter requires frequent servicing and demands more regular part replacement, which is costly in addition to a high risk for sudden downtime. A rotary compressor needs new spare parts after more than a decade, which gives you time to recover initial costs, and you can save up for any mechanical needs for the machine.
Reciprocating compressors are either oil-free or oil models. The oil compressors have to be lubricated regularly to prevent mechanical problems. The oil-free screw air compressor 30 hp comes with the rings already lubricated and this type is more durable as well as low maintenance.
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The non-lubricated ones are ideal because the gas does not have traces of oil, which is not suitable for specific processes. However, lubricated compressors are expensive, initially but they last for a longer time and rarely have a mechanical problem.
Air-Cooled Units
Air-cooled units have been accessible for many years because they can be used in any environment, especially where other sources of power are unavailable or can cause substantial risk. They are quite powerful and provide pressure exceeding 175 psig. Both reciprocating and rotary screws have models that you can use if your tools require low horsepower.
How do you choose between a rotary screw and reciprocating compressors?
This is the most critical decision in our buying process. You must have enough reasons to choose one type over the other. Your application needs for a compressor must also be fully provided. Reciprocating compressors are highly recommended for tools that do not require high pressure.
They are most useful in domestic settings for simple projects, construction activities, or even a small workshop. A reciprocating compressor is a right option if you are purchasing a tool that is rarely used.
These compressors can be unused for long periods, but when you pick them for a task, they will function well. On the other hand, rotary compressors must be used continuously because long periods of downtime make the malfunction.
If you are running a busy plant that requires a constant air supply, then a rotary screw air compressor 30 hp with dryers is the ideal one to buy. These compressors are made for high performance and can operate for many hours without breaking down. They also last for a long time, do need spare parts frequently, and are energy efficient.
When compared to rotary screw compressors, the reciprocating compressors are expensive to install in your plant because they have to be placed on a strong foundation.
You also need space in your plant to accommodate the reciprocating compressor. But the rotary screw compressors are easy expensive to buy, though quite powerful, and are an excellent choice for industrial processes.
Rotary screw compressors have many benefits and are an extremely popular choice for applications that require a constant compressed air supply. In this e-book you will learn the main benefits, the working principle and the different applications of rotary screw compressors.
Are you still unsure about which solution is the best for you? Just get in contact with an Atlas Copco representative who will help you with expert advice and industry-leading products.
Contact us to discuss your requirements of china air compressors. Our experienced sales team can help you identify the options that best suit your needs.