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Industrial Applications



Twin Tower PSA Oxygen Generator

twin tower oxygen generators are the machines we would consider conventional. Many oxygen generators in the world have twin tower designs. They perform well in harsh working environments.

Amec Industries manufactures two different types of twin tower oxygen generators for use in the medical and industrial fields.

The equipment used in the oxygen generators to be used to produce medical oxygen is selected in a way that is suitable for human health. In both types, the oxygen purity in the produced gas is measured continuously.

Amec Industries manufactures oxygen generators with capacities from 3 Nm3/hr to 1,000 Nm3/hr.

Our oxygen generator systems can also be delivered as plug & play systems on container or skid chassis.

95% Oxygen Purity

Suitable for heavy working conditions

original design

Technicial Specifications

  • Epoxy painted zeolite tanks

  • Oxygen homogenization tank

  • Intake air quality control and protection system according to ISO 8573

  • Gas purity control and low purity protection system

  • Pressure and flow control for inlet air

  • CO, CO2 and Dew Point analyzer

  • Suitable for heavy-duty operation

  • Oxygen purity control and low purity protection system

  • Low energy consumption

  • Siemens PLC and KTP 700 touch screen - Standard


Zirconia Oxygen Analyzer

Siemens PLC

Siemens S7 1200 series PLC, suitable for harsh working conditions, is used as standard in all our gas generators.


Siemens - 7" Touch Screen


Siemens KTP 700 series 7" touch screen, suitable for harsh working conditions, is used as standard in all our gas generators.

High Quality Valves

Stainless steel, high quality process valves that can open and close 1,000,000 are offered as standard.


Accurate and consistent measurement with Zirconia sensor technology
Possibility of measurement in the range of 0-95%
No need to change periodically


Air Conditioning

Flow control valves and high flow pressure regulators are used to adjust the supply air flow and pressure.


Inlet Air
Control System

With the built-in dewpoint analyzer, the inlet air quality is measured instantaneously, in case the dwewpoint value is above +3C specified in ISO 8573 class 1.4.1, it is automatically evacuated in order not to damage the zeolites, and when it returns to normal, it is sent to the oxygen generator.

Electronic Flowmeter

Stainless Steel Press Fittings Piping

Thanks to its integrated gaskets, SS 316 quality stainless press fittings piping is used in our twin tower oxygen generators to achieve a leak-proof, practical and clean production.


Electronic flow meters are used to monitor and record the amount of oxygen produced and / or the inlet air flow rate instantly and cumulatively.




The definition of Nm³ is calculated based on reference conditions of 20 °C, 101.325 kPa(a) and a dry basis.
The specified flow rates are valid for generator operation at 20 °C / 60 °F, 1013 mbar / 14.7 psi and 60% RH atmospheric conditions.

CO, CO2, Dewpoint Analyzer 

The amount of CO and CO2 in the decomposed oxygen and the dewpoint value of the oxygen are continuously measured. Amec Industries fully fulfills the requirements of the European Pharmacopoeia.

Oil Mist Analyzer

The safety of the system and the user is guaranteed by measuring the oil  vapor up to 2.5 mg/m3 so that the oil vapor coming from the compressed air system does not cause zeolite destruction.

Example System Lineup

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