Accreditation Certifications

Our Partners Installations

At Absstem, we serve a large number of clients within the healthcare and industrial sectors. Click on the map to see the organizations that bank on our oxygen generators and gas pipeline systems. We have been working with some of the leading names across the country. As we move forward, these numbers keep increasing, helping us grow as an entity.







  • Ladakh

  • Jammu & Kashmir

  • Himachal Pradesh

  • Punjab

  • Uttarakhand

  • Delhi

  • Haryana

  • Rajasthan

  • Uttar Pradesh

  • Bihar

  • Jharkhand

  • West Bangal

  • Madhya Pradesh

  • Gujarat

  • Maharashtra

  • Chhattisgarh

  • Odisha

  • Telangana

  • Karnataka

  • Kerala

  • Andhra Pradesh

  • Tamil Nadu

  • Lakshadweep

  • Sikkim

  • Meghalaya

  • Assam

  • Arunachal Pradesh

  • Manipur

  • Mizoram

  • Nagaland

ROI Savings calculator 3
ROI Savings calculator

ROI Savings Calculator

  • 5
  • 1025
  • 5
  • 1025
  • Monthly Savings 1,176,750/-
  • Annual Savings 14,317,125/-

*Savings as compared to oxygen cylinder at ₹ 250/-

To compare savings with Liquid Oxygen users, please get in touch.

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Our Assurance Absstem Shield

We understand the urgency of maintenance requirements in the industry we are in. Absstem Shield is our premium service, which includes after-sales support for helping keep your oxygen or nitrogen generators in great condition. A certified shield service engineer is assigned within four hours of you reporting an issue with any of our products, ensuring that it gets fixed in no time.

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FAQs Frequently Asked Questions

A PSA (Pressure Swing Adsorption) oxygen plant is a system that utilises adsorption technology to separate oxygen from ambient air. It is commonly used to produce high-purity oxygen for various applications such as medical facilities, industrial processes, and laboratories.

A PSA oxygen generator works on the principle of adsorption. Ambient air is compressed and passed through carbon molecular sieve beds, where oxygen molecules are adsorbed, allowing nitrogen and other impurities to pass through. The oxygen is then released when the pressure is reduced, resulting in the production of high-purity oxygen.

A PSA nitrogen generator operates on a similar principle as a PSA oxygen generator. It utilises adsorption technology to separate nitrogen from the surrounding air. By using carbon molecular sieve beds, nitrogen molecules are adsorbed while oxygen and other impurities are discharged, resulting in the production of high-purity nitrogen gas.

PSA oxygen and nitrogen generators offer several advantages, including on-site gas production, cost-effectiveness, reliability, and the ability to customise gas purity and flow rates according to specific requirements. They eliminate the need for traditional gas storage and transportation, providing a continuous and independent gas supply.

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When selecting a PSA oxygen or nitrogen generator, consider factors such as generator capacity, purity requirements, operating pressure, energy efficiency, maintenance requirements, pricing, and after-sales support. It is also essential to choose a reputable manufacturer with a proven track record.

Yes, PSA nitrogen generators are widely used in various industries for nitrogen generation. They are employed in applications such as food packaging, electronics manufacturing, chemical processes, pharmaceutical production, and many other industries where a continuous and reliable supply of high-purity nitrogen gas is required.

The lifespan of a PSA oxygen or nitrogen generator can vary depending on factors such as the quality of the generator, maintenance practices, operating conditions, and usage patterns. With proper maintenance and servicing, PSA generators can typically last for many years, providing consistent and reliable gas production.

Yes, regular maintenance is necessary to ensure the optimal performance and longevity of PSA nitrogen generators. Routine maintenance tasks include filter replacement, inspections, cleaning, and calibration. It is recommended to follow the manufacturer’s maintenance guidelines and engage qualified professionals for servicing and maintenance.

Yes, PSA oxygen generators are commonly used for medical oxygen production. These generators can produce high-purity oxygen suitable for medical applications, including hospitals, clinics, and emergency situations. However, it is important to ensure that the PSA oxygen generator complies with the necessary medical regulations and certifications.

PSA nitrogen generators are known for their energy efficiency. The adsorption process used in these generators allows for optimal utilisation of energy. Additionally, some manufacturers offer advanced features such as energy-saving modes and smart controls to further enhance energy efficiency.

Yes, PSA nitrogen generators allow for the adjustment of nitrogen purity levels. By adjusting the process parameters and cycle times, it is possible to achieve the desired nitrogen purity for specific applications. This flexibility makes PSA nitrogen generators versatile and adaptable to various industrial requirements.

The lead time for a PSA oxygen or nitrogen plant can vary depending on factors such as the capacity, customisation requirements, and the manufacturer’s production schedule. It is recommended to inquire with the manufacturer or supplier regarding the estimated lead time for the specific plant configuration you need.

Yes, PSA nitrogen generators are commonly used for inerting applications in industries such as oil and gas, chemical, and pharmaceutical. Inerting involves replacing oxygen with nitrogen to create an oxygen-free or oxygen-limited environment to prevent fire, explosion, or degradation of products.

Reputable manufacturers of PSA oxygen and nitrogen generators generally provide spare parts and have a reliable supply chain to ensure the availability of spare parts when needed. It is advisable to inquire about spare part availability and consider this aspect when choosing a manufacturer.

Yes, PSA nitrogen generators can operate continuously to provide a steady supply of nitrogen gas. The cyclic adsorption process allows for continuous production, ensuring a constant flow of nitrogen as per the required specifications.

PSA oxygen and nitrogen generators are well-suited for remote locations. These generators can be installed on-site, eliminating the need for gas transportation and storage. They offer a self-sufficient solution, ensuring a reliable supply of oxygen or nitrogen gas even in remote or challenging environments.

Yes, PSA oxygen generators can produce oxygen for ozone generation applications. Ozone generators often require a high concentration of oxygen, and PSA oxygen generators can provide the necessary purity levels for efficient ozone production.

To ensure the safety of your PSA oxygen or nitrogen plant, it is essential to follow proper installation procedures, adhere to safety guidelines and regulations, conduct regular inspections, and provide necessary training to operators. Additionally, selecting a reputable manufacturer known for safety compliance and offering safety features in their equipment can contribute to the overall safety of the plant.

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