Proportioning the Compressed Air Dryer
Trying to figure out which air dryer capacity is best for you? Here are some factors to consider. Read More…
Choosing the Right Vacuum Pump for You
As easy as it would make all of our lives, vacuum pumps are far from being “one size fits all”. Not only do you have the size to consider when choosing a vacuum pump, but more importantly type. I will briefly touch on some of the advantages and disadvantages associated with each vacuum technology we deal with. This should give you a better understanding of where to begin your search.
Reciprocating
- Advantages(traditional, large capacity ranges, easy to install, simple design, can handle vapors and some liquids)
- Disadvantages (a large number of parts subject to wear, low efficiency, high maintenance, higher noise level, higher initial cost on larger units, oil carryover)
Rotary Screw
- Advantages(long pump life, long maintenance life with lower maintenance costs over time, energy-efficient, vibration-free, virtually no oil exhaust, air or water-cooled, complete vacuum system)
- Disadvantages(large size and weight, limited operating pressure range, particulate and liquid sensitive, high initial cost)
Rotary Vane
- Advantages(low initial cost, direct drive-low vibration, wide operating pressure range, air-cooled, low noise level)
- Disadvantages(high maintenance due to vane wear, rebuild every 2-3 years or sooner, particulate sensitive, can be vapor sensitive, discharges oil out of the exhaust, unable to handle water or liquid slugs, frequent oil changes)
Rotary Piston
- Advantages(reliable, handles particulates well, long operation life, low rotational speed leading to less wear, large oil reservoirs for contamination dilution)
- Disadvantages(overheats if operating at high pressures, high vibration levels, high noise levels, large footprint)
Liquid Ring
- Advantages(low maintenance, high reliability, low vibration due to one moving part, handles contaminants very well, can use various sealing liquids, low noise levels)
- Disadvantages(water consumption and disposal, low energy efficiency, discharge saturated with liquid, particles can clog inlet and discharge, low water pressure can cause vacuum loss, subject to performance fluctuations based on water temperature)
Many of these advantages and disadvantages may already help you eliminate some choices based solely on the environment your pump will be operating in. If water is a costly utility in your area or consistent water pressure is a concern, you may want to eliminate liquid ring pumps from your selection choices altogether. If water is not a concern, but noise and vibration levels are, we may actually lean towards the liquid ring as a good fit for your application.
Look at that! We’re already narrowing your search down by eliminating options simply based on the operating environment. Here are some other questions to keep in mind when searching for the right pump for you…
Our range of vacuum pumps, offered by Ash Air
Claw Pumps
The Ash Air range of rotary claw vacuum pumps is the best alternative to rotary vane pumps. A vacuum claw pump is virtually zero maintenance and compared to rotary vane pumps can work at vacuum levels of 400 to 1000 mbar without overheating. Rotary claw vacuum pumps are the best choice for CNC guided wood routers.
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Liquid Ring Pumps
The Ash Air range of humble liquid ring pumps is still the most reliable form of large volume vacuum generation available today. These liquid ring pumps are simple to use and very reliable, and the best option when sucked air contains a large amount of saturated gas.
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Rotary Vane Pumps
Dry and oil-sealed vane vacuum pumps are robust, affordable and easy in maintenance. You can use DVP vane pumps for wide range of application, for skin packaging, holding, lifting, thermoforming.
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Screw Vacuum Pumps
We have a quality range of oil-sealed screw pumps for sale that are energy efficient and have low life-cycle costs.
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Blowers
We have a great range of new and hire blowers from single stage ring blower through to large lobe blowers, and we also stock the service parts for common blowers across many brands.
Our roots blowers, side channel blowers are built to last, and are backed up by our promise of excellent customer service to keep your business performing well day in and day out.
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Ash Air has been around in New Zealand since 1979, and we’ve grown into a nationwide company with international support and a
reputation for quality and reliability.We look after all things compressed air for your business!
Ash Air's range of Chicago Pneumatic, Alup, Pneumatech, and Quincy compressors are used extensively around the world in industries
ranging from oil and gas to food, automotive and farming, and we bring you these world class compressors here in the land of the long white
cloud.Our technicians are compressed air equipment experts and are dedicated to addressing customer needs. Supported by a 13 locations
nationwide, Ash Air offers one of the widest selections of compressed air equipment and parts available today in New Zealand.
With Ash Air compressors, you can count on reliability and high performance for even the most demanding applications. We focus our
efforts on the following:
Talk to the team today:
Maintenance budget: 8 factors to consider
Just like any other equipment, a compressed air installation also requires the necessary maintenance work during its entire
lifespan. Even though maintenance costs are only about 5 to 10% of a machine's annual operating costs, failure to budget for
maintenance can have potentially disastrous consequences.
Read More…
The air dyer is one of the most ignored cooler in the system. A dirty condenser will cause water in the lines, or worse it will cause
complete dryer failure.
Read More…
Why Replace CO2 with Nitrogen in your Brewery
Using nitrogen is not about fully replacing CO2, but it can reduce their consumption of CO2 by close to 70%. Using nitrogen is about
sustainability. Creating your own nitrogen is easy and will reduce the use of a greenhouse gas, which is better for the environment. It will
also save you money as early as month one adding that savings to your bottom line.
Read More…
What do I need to know about ICONS?
ICONS: Intelligent Connectivity System: The insight into your compressed air system, wherever you are. Learn More about ICONS in this article here!
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A question that is occasionally asked by our customers to Ash Air is 'what is the cost of compressed air?' This article looks at the
product costs involved with compressed air, as well as minimising the energy cost of compressors and cost allocation. When looking at these
factors, we need to realise what causes dropped efficiency of your compressor, leading to increased costs of compressed air.
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How to avoid falling objects when working at heights
You may have great fall protection measures in place to keep employees safe when working at height, but what about their co-workers below?
Dropped tools and other falling objects are a major hazard – and one that isn’t always fully addressed.
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Providing a safe working environment for operators is essential, especially when using pneumatic tools and compressed air. If there is a
failure in the air network and the hose is not adequately clamped, the resulting whiplash could be devastating. Failure to follow best
practice can result in injuries, associated production downtime and decreased productivity.
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Why do I need a dryer for my compressor?
A common questions asked is why do I need an air dryer for my compressor? Typically, air compressors produce water, and although the
water can be drained, there can still be aerosol and vapour droplets that are present. This is because water cannoet be compressed. Water
can damage your compressor by corroding the valves, pipes and machinery controls, which will cost you time and money to resolve. In
the long run, the cost of a new compressor is a small price to pay compared to the loss of production that could potentially arise due
to water damage in your compressor.
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