In today’s modern manufacturing World, vacuum technology plays a critical role in just about every industry. From food packaging and plastic extrusion to chemical distillation and woodworking router tables … all of these applications, and many more, simply wouldn’t be possible without vacuum. This means that choosing the right type of vacuum pump to fit an application is extremely important for not only the efficiency of the process, but the quality of the end product. Unfortunately, it’s common to assume that generating reliable and efficient vacuum merely consists of plugging in the vacuum pump and letting it drop to the required level – so the type of vacuum technology isn’t important, right? Wrong!
There are three key factors to remember when researching and choosing the proper vacuum pump for your process: how the vacuum pump will impact the application and vice-versa; what the application’s vacuum requirements are; and the complete cost of ownership.
It stands to reason that the type of pump you choose will impact your application, just as your application will impact the pump! For example, if you are selecting a pump for an oil-free application, such as pharmaceuticals or food packaging, then choosing an oil-sealed pump wouldn’t be the right decision.
| Pump Impact on Application | Application Impact on Pump |
| Pump vibration | Dust/debris from process |
| Oil emission (if an oil-sealed pump) | Mechanical movements & vibrations |
| Noise, heat, and particle emissions | Gases/other mixtures in process |
| Energy consumption |
Different applications require different levels of vacuum, and different vacuum pumps pull different pressure levels. With this in mind, knowing which vacuum level is required is vital to selecting the right pump technology. For instance, selecting a liquid ring pump that operates only to 28-29" of vacuum would not be suitable for a process that requires good gas flow at less than 1 torr. You should also consider whether or not your vacuum pump requires a consistent pressure level to be held, or whether it’s focused more on the pump-down process.
This includes both the initial capital costs of purchasing the vacuum pump, as well as the costs of servicing and maintaining the vacuum pump over its lifetime of use. For example, certain pumps, such as a vane pump, might require more maintenance because of consistent vane replacements – while the maintenance costs on oil-sealed rotary screw pumps could be much lower. Saving energy, reducing the frequency of oil changes, and having maximum pump availability due to non-wearing points are all elements to consider when looking at pump costs.
Vacuum, the invisible force, is indispensable in industrial production facilities around the world. When an industrial application requires a
clean environment or pressure below atmospheric levels, a steady supply of vacuum is needed. Our vacuum products are the starting point to
providing a total vacuum solution for dedicated point-of-use machines and central vacuum systems.
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.
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.
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.
We have a quality range of oil-sealed screw pumps for sale that are energy efficient and have low life-cycle costs.
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 Atlas Copco products 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 with nationwide coverage, Ash Air offers one of the widest selections of compressed air, vacuum pump, and industrial gas equipment and parts available today in New Zealand.
With Ash Air, you can count on reliability and high performance for even the most demanding applications. We focus our efforts on the following:
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