The secret is in the pipe – there’s no such
thing as too large a compressed air line
By Hank van Ormer, Don van Ormer & Scott van Ormer (AirPower USA)
A common error we see in compressed air systems, in addition to poor piping practice, is line sizes too small for the desired air flow. This isn’t limited to the interconnecting piping from compressor discharge to dryer to header. It also applies to the distribution lines conveying air to production areas and within the equipment found there. Undersized piping restricts the flow
and reduces the discharge pressure, thereby robbing the user of expensive compressed air power. Small piping exacerbates poor
piping practices by increasing velocity- and turbulence-induced backpressure. Pipe size and layout design are the most important variables in moving air from the compressor to the point of use. Poor systems not only consume significant energy dollars, but also degrade productivity and quality. How does one properly size compressed air piping for the job at hand? You could ask the pipefitter, but the answer probably will be, “What we always do", and often that’s way off base.
Another approach is matching the discharge connection of the upstream piece of equipment (filter,dryer,regulator or compressor).
Well, a 150-hp, two-stage, reciprocating, double-acting, water-cooled compressor delivers about 750 cfm at 100 psig
through a 6-in. port. But most 150-hp rotary-screw compressors, on the other hand, deliver the same volume and pressure
through a 2-in.or 3-in.connection.
So,which one is right? It’s obvious which is cheaper, but port size isn’t a good guide to pipe size. Click here to read article
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The Government is Helping You Stimulate Your Business!
Did You Know?
Atlas Copco air compressor systems qualify for the 2008 Economic Stimulus Act. This Act allows you to deduct 50% of the cost of new equipment that's placed in service during the 2008 calendar year. Check with your accounting department or tax expert to see how you can take advantage of this.
How does the depreciation bonus work?
Companies that buy new equipment in 2008 can depreciate 50% of the cost in the first year, plus the percentage of the remaining basis in the equipment that would ordinarily be depreciable under the Modified Accelerated Cost Recovery System (MACRS). For a $100,000 piece of equipment with a five-year MACRS life, the first year depreciation under the ESA would be $60,000: $50,000 depreciation bonus, plus 20 percent of the remaining $50,000 in basis.
How long do I have to take advantage
of the depreciation bonus?
The depreciation bonus is temporary. To qualify, the new equipment must be acquired and placed in service by the taxpayer claiming the depreciation bonus before Jan. 1, 2009.
That sounds too good to be true. What’s the catch?
The more you depreciate now, the less you will be able to depreciate later. In other words, your tax bill in future years will be higher because you’ll have less to deduct. But ask yourself this: Would you rather have the tax savings in your pocket now to invest in your company or, would you rather have Uncle Sam hold onto your money for a couple additional years?
More information is available at www.depreciationbonus.org.
Also be sure to consult with your tax professional.
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