Monday, July 5, 2010

A Bit About Ingersoll Rand Air Compressors

Ingersoll Rand is one of the oldest major industrial supply companies in the United States, being originally founded as a rock drill company in 1871, and today ranks as a global leader in the production of a wide range of industrial products. Though most of its operations remain centered in the United States and North America, the company recently reincorporated itself in the Republic of Ireland, in order to avoid some U.S. tax concerns and to gain easier entry into the European Union market.

Ingersoll Rand has four primary divisions: climate solutions, industrial technologies, residential solutions, and security technologies. Their air compressors are produced by the industrial technologies division and primarily branded using the Ingersoll Rand name and trademark. In the United States, virtually all Ingersoll Rand air compressors use the Ingersoll Rand name; however rotary screw compressors offered in Europe may be branded as GHH Rand, which is also a valid division of the same company and not merely some poseur trying to associate their product with the name “Rand”.

The company offered its first pneumatic device prior to 1875 and has remained on top of current air compressor technology ever since. Like some of the other major mass producers of air compressors, Ingersoll Rand offers a wide range of products including various kinds of the compressors. The main product lines include small reciprocating compressors (both portable and stationary); contact cooled rotary compressors; oil-free rotary screw compressors; oil-free centrifugal compressors and others. Like many of the major producers, Ingersoll Rand has vigorously jumped into the small compressor market as well. On top of the basic compressors, they offer a huge range of accessories, spare parts, and other related equipment. Further, Ingersoll Rand is one of the companies that also sales used and refurbished air compressors, so it is possible to get discounted equipment directly from Ingersoll Rand outlets.

Ingersoll Rand also offers top quality customer support and technical assistance, primarily through its “PackageCare” program. PackageCare is a fixed-priced full service maintenance and support contract that can be obtained for various periods of time. Their customer service technicians also provide air system audits, which involve a comprehensive review of your entire pneumatic set up – from compressor to end-use tool – and analyzes performance, identifies problems and efficiency losses, and recommends fixes and improvements as needed. Ingersoll Rand has also taken an aggressive position in support of preventative maintenance and offer a number of programs that their customers can use to prevent major catastrophic damage from occurring to their systems well in advance.

In general, Ingersoll Rand’s multiple customer care and customer service options are seen as providing excellent value and being well worth the additional expense. This is particularly true when it comes to complex air compressors and related pneumatic technology and systems. The general efficiency and state of the art technology of Ingersoll Rand air compressors is also generally accepted. Perhaps a good illustration of this fact was the company winning the 2010 World Frost & Sullivan Award for Customer Value Enhancement in the rotary, oil-free compressor market.

Ingersoll Rand is one of the world’s leaders in both production and advancement of air compressors and pneumatic technology. As such, buying an Ingersoll Rand air compressor and accessories can generally be considered a safe bet.

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Thursday, July 1, 2010

What is The Point of Using Oilless Air Compressors?

There are many different kinds of air compressors on the market today offering a wide range of various features. One of the big divisions between kinds of air compressors are those that use oil and those that do not. The concept of blending oil and air together to prevent air from escaping the pressurizing process has become very popular and it is fair to say that air compressors that use oil now hold the dominate position in the market. So why would anyone want to use an oilless, or oil-free, air compressor?

Perhaps the most important advantage offered by oilless air compressors is the cleaner air that they produce. In all of the compressors that use oil, the oil and air are blended together during the compression process. This mixture is then fed through a separator unit which separates most of the air from the oil; with the air being run to the output mechanism and the oil being recycled back through the air compressor and repeatedly reused. The problem is that to date no separator technology removes all of the oil from the air in the separator unit. That is, even the very best separator units miss at least some percentage of the oil, which is then output along with the air at the end of the cycle.

In many applications this small amount of oil in the compressed air does not matter and is not a problem, which is why the oil-based compressors are so widely accepted. However, in other applications, this is manifested unacceptable. This is particularly true when it comes the air compression for breathing purposes (like scuba tanks, oxygen tanks used by firemen, or medical oxygen) or compression used in high technology applications that are sensitive to foreign contaminants (such as air compression used in the production of conductors and circuitry). In these cases, the quality of the air being compressed is just as important as the strength of compressed air and only oilless air compressors can provide that quality.

While claims that oilless air compressors are more efficient than those using oil are debatable at best, what is certain is that oilless compressors are considerably cleaner. Air compressors that use oil tend to be much messier to operate as the oil has a habit of getting all over the compressor – inside and outside – and requires many more connections (places where things can go wrong), filters (that have to be changed), and lines (which have to be maintained). Further, oil – mixed with dust and other contaminants – has a penchant of clogging up air hoses and tubes. Generally speaking, oilless compressors have none of these problems since they use no oil.

On the downside, oilless air compressors usually require more maintenance than the units that use oil and are almost always much louder than those that use oil. The increased maintenance costs is somewhat offset because in many cases oilless units cost less at the time of the initial purchase, but this all depends on the kind of compressor in question. As for the sound, frankly the fact that oilless systems are louder is indisputable, but if volume is not a significant concern for your application, then it probably does not matter.

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Wednesday, June 30, 2010

Emglo Air Compressors: Where do They Come From?

Anyone that does a quick Google search for “emglo air compressors” will find that the search comes up with about twenty thousand different pages, which would tend to suggest that this is a major brand. However, you rarely see “Emglo” compressors for sell at your local hardware store, so why is this? After all, if the brand was as popular as the Internet suggests it is one should see them in the real world a lot more than they do.

The original Emglo company, known as Emglo Products LLC, was established in 1957 and remains based in Johnstown, Pennsylvania in the United States. With more than fifty years of experience, they have long been industry leaders making a wide range of air compressors for various purposes. In 2000 Emglo Products LLC was purchased by the Stanley Black & Decker Corporation, one of the world’s largest manufacturers of tools and machinery. Since this time, Emglo has been intimately ties to another Stanley Black & Decker brand: DeWalt. This is why one does not see many Emglo branded compressors in the stores, because most of the Emglo products are sold as DeWalt or as DeWalt/Emglo products. Needless to say, everyone sees DeWalt tools in the hardware stores all around the world.

So if Emglo no longer mass produces many products in its own name, why is the name so popular online? This is because of a number of Chinese companies that have associated their products with the word “emglo” – usually spelled with a small “e” instead of a capital one – as a means of confusing possible buyers. Since Stanley Black & Decker does not regular use the Emglo name in day-to-day business and since taking measures against Chinese companies falsely associating their products with those produced by Western companies is a costly – and usually fruitless – endeavor, so far Stanley Black & Decker has not taken aggressive action against this name appropriation.

There are two primary Chinese companies associating their products with the “emglo” (note the small “e”) name: Zhejiang Liyang Compressor Co., Ltd. and China Ningbo Xinda Group Co., Ltd. However, there are also a whole series of subsidiaries and resellers in China operating under different names and selling the same basic products. It can be difficult to tell precisely which entity is the manufacturer and which one is the reseller, since they all claim to produce the compressors and they all sell them online.

The compressors sold by Zhejiang Liyang Compressor Co., Ltd are mostly fairly easy to identify because they specialize in compressors designed for refrigerators, water dispensers and ice-makers and therefore primarily sell their products on a wholesale basis to other manufacturing companies. China Ningbo Xinda Group Co., Ltd. – and its assorted resellers – is considerably trickier even selling a product called “emglo model I” and the like online. Again, the Chinese companies all tend to use the lower case “e” at least online, but resellers may not be so discriminating.

Of course, there is no evidence that there is anything specifically wrong with the Chinese compressors per se, but the marketing by appropriating a long established name (“Emglo”) certainly calls their marketing strategies into question. If you are looking to buy an inexpensive air compressor, the Chinese models may well meet your requirements. However, if you specifically want an Emglo air compressor (with a capital “E”) you should probably compare the compressor’s model number with the DeWalt model numbers and/or send an email to Stanley Black & Decker customer service to confirm that the model number of the compressor you are buying is in fact one of theirs.

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