Cut your Oxygen costs Dramatically, with OGSI

Oxygen Generating Systems Intl. (OGSI) designs and manufactures oxygen generators. Using Pressure Swing Adsorption (PSA) technology, OGSI offers a complete line of on-site plants with outputs from 15 (7.5 LPM) to 5000 SCFH (5tpd). The typical oxygen purity from our generators is 93% (+/- 3%). With only air and electricity required, OGSI can provide an oxygen generating system that can operate almost anywhere.

Oxygen Gas system Eliminates Dependence on Delivered Liquid or Cylinder Oxygen for Veterinary Care

Eliminate the expense of purchasing, receiving and monitoring your clinic's oxygen OGS20_smallsupply. Moduflex  supply turn-key medical PSA systems. The oxygen generator system:

  • Is fully automatic
  • Easy to operate and maintain
  • Produces continuous medical grade oxygen (United States Pharmacopeia (USP) XXII Oxygen 93% Monograph
  • Hundreds of systems installed worldwide since 1995

Join the growing number of clinics that have ended their expensive reliance on delivered liquid and compressed oxygen.

Economical and Easy to use

A modest capital investment in an Oxygen Generating System can result in up to an 80% reduction in a clinic's oxygen cost. Most OGS systems average only 3.5 kilowatts of electricity per 100 cubic feet of oxygen produced and can pay for themselves within a short period of time. Our systems allow you to:

  • Generate oxygen on-site
  • Eliminate the cost of oxygen delivery
  • Remove the danger of having liquid oxygen (LOX)

Hyperbaric Oxygen Therapy in Veterinary Medicine

Hyperbaric Oxygen Therapy (HBOT) is a relatively new method that veterinarians are using today to treat wounded or chronically ill animals.

Choose the Oxygen Generator System that will suit your needs.


OGSI offers a range of generators based on your requirements. They are designed for applications requiring outputs from 25 to 5000 SCFH (12 to 2360 LPM). You'll never pay for capacity you don't need. Non-standard generators are available on request.

Our line of Pressure Swing Adsorption (PSA) oxygen generators can deliver a constant flow of up to 93% (± 3%) oxygen at 45-60 psi. Higher oxygen pressure is optionally available.

These units are available with telemetric communication packages. The plant can be monitored from our factory to facilitate quicker service or software updates.

's plants are the most energy efficient plants on the market. Extract oxygen directly from the atmosphere and deliver it to any medical or industrial application with an OGSI oxygen generator.

Dependable – MADE IN USA
Every PLC-controlled generator is assembled and tested in our North Tonawanda, NY production facility. The zeolite sieve is factory sealed in solid steel tanks, and rarely needs replacement. With very few moving parts, our generators are built to provide thousands of hours of continuous, reliable service. Routine maintenance is as simple as changing an air filter.

From their precision-welded tank assemblies, to their robust manifolds, our generators operate in the harsh environments of Africa, Asia, South America and the Yukon.

Eliminate the unnecessary costs of transportation, storage and cylinder rental. OGSI’s oxygen generators are economically priced so that you can realize a return on investment within a short period of time. Supplying oxygen for as little as 3 kW/100 SCF, OGSI’s oxygen generators are the most energy efficient plants available.

Unfamiliar with PSA Oxygen Systems?
Call, fax or email us to request a personalized quotation. OGSI can provide the proper air compressor, air dryer and storage tank combination to optimize your oxygen system. We can assemble the system and test it in our factory before shipment. All components can be mounted to a steel skid and pre-wired for easy transportation and set-up.

OGS 20

Eliminate the Costs of Transportation, Storage and Cylinder Rental

The OGS-20 oxygen generator uses Pressure Swing Adsorption Technology (PSA) to deliver a constant flow of up to  9 liters per minute(LPM) of medical grade oxygen at a pressure of up to 90 psi. Ideal for Veterinary Clinics/Offices.


Every oxygen generator is assembled and tested in our New York State production facility. The OGS-20’s internal air compressor, filtration system, zeolite sieve, surge tank and flow control system were designed for 24/7 operation.


From the tank assemblies, to the oxygen-clean brass tubing and valves, our oxygen generators are built to last. They even operate in the harsh environments of Africa, Asia, South America and the Yukon.


Oxygen is free! Eliminate the unnecessary costs of transportation, storage, and cylinder rental. The OGS-20 uses less than 1.1 kW of electricity to deliver up to 20 ft.3 of oxygen per hour.

Simple to Use and Maintain

With a lighted on/off switch, hours meter, custom flow gauges and controls, the OGS-20 is truly user-friendly. Just plug it in, turn it on and set the desired pressure and flow and you’re done.

Automatic Operation

Automatically starts and stops based on the need for oxygen and the pressure in the storage tank.


The OGS-30T oxygen generator uses Pressure Swing Absorption Technology (PSA) to deliver a constant flow of up to 20 liters per minute (LPM) of medical grade oxygen at a pressure of up to 90 psi. Ideal for veterinary clinics.

Which generator do you need?

First determine the equipment you are/ will be using consuming Oxygen.

Anesthesia machines Quantity X 2LPM

Ventilators                Quantity X 20LPM

ICU Units                  Quantity x 7.5LPM