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Oxygen Cylinder Filling Plant

BDM Cryofusion & Mandressi Italia is a manufacturing company popular worldwide for manufacturing and exporting a variety of Oxygen Cylinder Filling Plants, which perform as per the plants of international standard. Our plants are tailor made to meet and exceed the requirements of international clients. Along with skilled manpower and 28 years of experience, we have sold over 300 plants to clients located in all over the world. The Oxygen Cylinder Filling station give guarantee of optimum performance, low power consumption and fully automatic. The output is ideally suited for oxygen generation in hospitals and health care centers.

Based on the latest technology and superior designing, our Oxygen Cylinder Filling Plants ensure output as per the requirements of our clients from different industries. Inspired by technological advancement, our trained workforce and well equipped R&D team design and manufacture Oxygen Cylinder Filling Plants, which is easy to operate and fulfills the highest standards of performance and safety. We manufacture economical, safe and authentic Oxygen Cylinder Filling Plants for industrial and medical use. Come up in various technical specifications, these plants are highly demanded by our client’s spread over worldwide. We also offer on-site installation support for our clients benefit.


STAGE 1 – Compression of Air
The free saturated air is drawn from atmosphere through a highly efficient dry-type Suction Filter into the first stage of the horizontally balanced opposed, lubricated reciprocating air compressor. The air is compressed over a multistage process to the desired air pressure (30-40 bar) and is then sent to the process skid for further usage.

STAGE 2 - Purification of Air
The compressed air is passed into an after cooler where the temperature is diminished to around 35 degree centigrade after which it is chilled in a Chilling Unit to a temperature of 12 degree centigrade and then passed through a Moisture Separator where the condensed moisture gets alleviated before entering into Molecular Sieve Battery.

Before sending the air to the Molecular Sieve Battery, air is passed through an Oil Adsorber where air becomes oil free. Chilled air passes through the Molecular Sieve Battery consisting of Twin Towers packed with Molecular Sieves to remove moisture and Carbon dioxide present in the air.

Molecular Sieve Battery operates on Twin Tower System. When one tower is under production, other tower is regenerated by passing waste Nitrogen gas at 200 degree Centigrade through a Reactivation Heater.

After interval of 8 to 10 hours, the tower under production gets exhausted and is regenerated by similar process before use and thus the cycle continues. Any dust particles gets filtered in the Dust Filter before air enters the Air Separation Column.

STAGE 3- Air Separation
Chilled, Oil-free and moisture free air enters into multi-pass Heat Exchanger No. I where it gets cooled to (-80) Degree Centigrade by cold gained from outgoing waste Nitrogen and Oxygen.

A part of this air enters a multi-pass Heat Exchanger No. II or Liquefier made of special Alloy tubes. This air cools to (-170) Degree Centigrade before passing through an Expansion Valve. Due to Joule Thompson Effect, after the expansion valve, air gets further cooled down and gets liquefied before entering into Bottom Column after which it comes to be known as Rich Liquid. The Rich Liquid in the Bottom Column enters into the feed tray of the top column. Similarly the liquid nitrogen called Poor Liquid enters into Top

Column as a reflux & it takes away the heat of condensing Oxygen and gets vaporized whereas the liquid Oxygen flows down the trays of the Top Column into the Condenser and then goes through a Sub-Cooler to a Liquid Oxygen Pump.

STAGE 4- Gasified Oxygen
In Gas Plants, the L.O pump pumps liquid oxygen through heat exchanger no. I & II, where liquid oxygen gets gasified before filling in cylinders in the Filling Manifold.

The pure bone dry oxygen gas at ambient temperature and high pressure is filled into Oxygen Cylinders through manifold valves by means of the highly efficient reciprocating Liquid Oxygen Pump.

In Liquid Plants, the liquid oxygen or nitrogen is filled directly into a Cryogenic Liquid Tank (capacity of 200 liters to 50,000 liters) where it is stored and used according to requirement.

STAGE 5- Nitrogen Production
Nitrogen can be produced both in gaseous as well as liquid form simultaneously without additional cost. Both commercial as well as technical grade can be produced.

Technical Specifications

BDM 50 50 m3/hr 200 99.7% 99.99%
BDM 80 80 m3/hr 320 99.7% 99.99%
BDM 100 100 m3/hr 400 99.7% 99.99%
BDM 130 130 m3/hr 500 99.7% 99.99%
BDM 150 150 m3/hr 600 99.7% 99.99%
BDM 170 170 m3/hr 680 99.7% 99.99%
BDM 200 200 m3/hr 800 99.7% 99.99%
BDM 250 250 m3/hr 1000 99.7% 99.99%
BDM 300 300 m3/hr 1200 99.7% 99.99%
BDM 400 400 m3/hr 1600 99.7% 99.99%
BDM 500 500 m3/hr 2000 99.7% 99.99%
BDM 600 600 m3/hr 2400 99.7% 99.99%

Note : Larger Size Plants also available upto 2000 m3/hr Capacity.

Salient Features:

A few of the latest technological features incorporated into the Oxygen & Nitrogen plants are listed below.

  • Available in Leak proof Argon Welded Column.
  • Skid Mounted Version
  • Low Pressure Technology
  • 24 Hrs Continuous Duty Operation.
  • Only One Operator Required To Run The Plant
  • Heavy Duty Air Compressor (Water Cooled.)
  • Built In Liquid Oxygen/Nitrogen Pump For High Pressure Oxygen/Nitrogen Filling.
  • Built In Integral Gas Vaporizer.
  • High Efficiency Trays for High Purity
  • Extremely Safe To Use And Operate.
  • Trouble Free Operation Due To Proven Design and Performance.
  • Medical Grade Oxygen as Per American/European Pharmacopeias.
  • Molecular Sieves of Zeochem Swiss of Special Grade for Total Carbon Dioxide
  • Moisture and Hydrocarbon Removal.
  • Very Compact Design And Easy To Operate.


  • Water Process
  • Ferrous Metallurgy
  • Non-ferrous Metal Refinery
  • Coal mines
  • Pharmacy
  • Others: Chemical industry production, solid garbage burning, concrete production, glass manufacturing, medical oxygen, etc.

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