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Do I need an air receiver tank with my air compressor?
The size of the compressor tank, usually measured in liter or m³, should be determined
Why should you dry compressed air ?
The term for the amount of water vapor in air is called humidity.
Let’s say you have an air compressor in your company and you need air at 7 bar toyou’re your equipment or air tools. Your air compressor will suck almost 8 times (7.8) the cubic meter of air into the compressor to produce 1 cubic meter of air at 7 bar. Of course, it will also suck in all the water vapor contained in those 8 cubic meters.
A funny fact about air is that, when it is compressed, it will still hold the same amount of water vapor found in the free air at atmospheric pressure. That means, in that cubic meter of compressed air at 7 bar, there is 7.8 times as much water vapor than the air can hold. The rest condensates into liquid water, and gravity causes it to settle in the lowest and or coldest points of your air system.
The liquid water can be drained out of the system where it first occurs, but as the compressed air is further distributed to points of use, more water is condensed to liquid as the air is further cooled. This condensate dissolves contaminants as it passes through air lines, and forms corrosive residue in the air piping system, as well as air tools. This residue can also clog filters and small passages in air-operated devices.
The end results of water in compressed air systems are production downtime, excessive maintenance requirements, premature equipment failure/replacement, all leading to costly repairs. Elimination of water in compressed air systems is easily achievable with proper equipment.
For assistance in correctly sizing the right air dryer , you can call our experts (+32 56616701) [email]
WHEN IS THE RIGHT TIME TO SELL YOUR MACHINES
I would like to comment on the consequences of certain scenarios .
Waiting to sell old machines will depreciate the price realization, meaning , you get less money for older machines. Some people would say, “these older machines are written down to a minimum, they are not costing me money and even with low utilization , I can make money with them”
True and not true.
Selling machine too young is a difficult thing and takes a lot of effort from your organization.
Logically speaking don’t sell to young , don’t sell to old. “Yeah! We could figure this out ourselves”, you would say. Correct, and there for I would like to give some examples from the market and from experience
In terms of years/life of the equipment it also depends on what type of equipment is it. Is it the type that has a rough life. For example a skid steer loader in a demolition application has had it best breath the first 3 years of its life. These 3 years it is usually also covered under manufacturer’s warranty. You could risk another 4th year but the advice is to sell it before it turn the age op 5.
The same counts for generators when they are in high utilization applications. It can run 2000 or more hours per annum. That means 8000 to 10000 hours in 4 to 5 years. A normal criteria for overhaul is the hours on the engine life, which could well be 14000. When the machine is below 10000 hours it still has a certain value in the used equipment market because it can be used another few years with lower utilization (second life)
Are we talking about a portable air compressor it is again a different story.
I can give more examples or zoom in on specific market or fleet examples.
MAKING MONEY WITH YOUR OLD MACHINES
The capital within an equipment rental fleet is in my opinion, a "hidden treasure" of possibilities. By looking at the fleet from a different prospective, I see something else then just machines. I see a Remarketing opportunity beyond your belief. A fleet reorganization, selling old machines, will bring in more money that you can use for reinvestment in equipment, additional profit or to pay for your other investments.
But not just selling your old (intensive care) machinery is possible. Also machines that have (too) low utilisation, are eligible to sell second hand (desinvestment). Machines with little or no utilisation just costs money. Your machines are older and less valuable so they should be written off without any benefits in return. By selling them you avoid obsolescence and generate cash flow.
Often, you will have in your fleet machines that came in from a merger or acquisition. Problem is that there are many different brands of the same type of machines in your fleet. That brings more complexity in your maintenance program and result in higher parts inventory and higher cost. Restrict the number of brands is the advice. "And the rest?", desinvest !, so sell your second-hand equipment and make money! You can earn a lot of money for your company as owner or fleet manager.
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