Advice (FAQ)
ASK US – we are here to help you
What do you want to know?
With more than 40 years in the business we believe we have a pretty good idea of what challenges our customers are facing.
If you are currently considering investing in a PSA unit, we would be happy to discuss your needs in detail.
Generally speaking, the more information you provide, the better we are able to assist you.
We have listed the frequently asked questions and answers below.
Frequently asked questions
Here are some answers to the questions we most often receive about our nitrogen and oxygen solutions. If we missed anything, please do not hesitate to contact us. We are here to help.
What is PSA?
PSA is an inexpensive method of producing nitrogen or oxygen from air. PSA is short for Pressure Swing Adsorption. To learn more, check out our page Nitrogen technology or Oxygen technology.
Can you provide quotes with imperial units or only metric?
OXYMAT happily makes quotations with the units you require – imperial or metric.
Do you only supply the PSA unit, or also a full process line?
OXYMAT delivers according to your requirements. Our core competence is PSA units, but we have supplied thousands of compressors, dryers, and filters for more than 40 years.
We are experts in sizing the air package to the PSA, and we get excellent prices from most of our sub-suppliers. Our complete process line prices are usually lower than what you as an individual customer can source yourself.
To learn more, please contact sales@oxymat.com, or call +45 48 79 78 11.
Can I choose the compressor supplier myself?
The short answer is yes. However our generators work best with high quality feed air from Atlas Copco. By opting for Atlas Copco we can guarantee a stable and reliable operation of our on-site gas generation system.
To learn more, please contact sales@oxymat.com, or call +45 48 79 78 11.
What information does OXYMAT need to make a quotation?
In general, the more information we receive, the more accurate quotations we can prepare.
The most important factors are listed below:
- Capacity
- Purity
- Outlet pressure
- Dew point
- Country of installation (ambient working conditions)
- Power input (voltage, phases, frequency)
- Altitude above sea level
- Certification requirements (ASME/marine approval, etc.)
If you are uncertain about any of the above, please give us a call and we will help clarify what your needs are. Contact us on +45 48 79 78 11 or sales@oxymat.com.
Can OXYMAT help size buffer tanks?
Based on our many years of experience we are experts in sizing buffer tanks based on your application, pressure, and safety margins.
Is PSA more climate friendly than liquid gases?
Yes. The energy consumption of OXYMAT’s PSA units is very similar to that of an ASU (air separation unit/gas factory).
However, with the PSA you do not need to transport the gas as you generate it on-site.
Furthermore, the electricity in our production plants is generated by solar roof panels and certified green energy.
In general, OXYMAT has a very green profile, and we continuously work to improve all aspects of our production process.
When does it make sense to invest in a PSA unit?
Whether it makes sense for you to invest in a PSA unit depends on several factors:
- What is your cost of energy (kWh)?
- What is the cost of the alternative (liquid gas to tank or cylinders)?
- How is your surrounding infrastructure (road, rail, ferry)?
- What is the distance to your nearest ASU (air separation unit/gas factory)?
Overall, the lower the price of energy, and the higher price of gas (O2 or N2), the shorter the ROI (retun on investment) will be. As an example, OXYMAT provides a lot of units to Iceland and Norway where electricity is inexpensive, and transportation can be very costly. Please keep in mind that a truck carrying liquid gas is empty on its way back to the ASU. You will be paying for the return journey as well.
OXYMAT has the tools to make quick calculations for your company to give you an idea of the length of your ROI.