Air- N- Gas Process Technologies

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Air Filters & Air Dryers

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We are an eminent player engaged in manufacturing, supplying, trading and exporting of an exhaustive range of Gas Separation Systems, Air Filters and Air Dryers. Our range of products is fully automated and offers zero purge loss, and is heavily used across petroleum, fertilizer, refinery and oil & gas industries. We offer:



Industrial Chillers

We put forth for our clients a varied range of Industrial Chillers that is manufactured using the finest quality of raw material.

Air Chillers

Water Chiller

Industrial Chillers

Fabricated Equipments (Pressure Vessels)

We offer heavy duty Pressure Vessels & Drain Valves  that are manufactured using premium quality raw material.

Auto Drain Valves

Pressure Vessels

Air Receivers

Moisture Separators

After Coolers

Heat Exchanger

Fabricated Equipments (Pressure Vessels)

Dessicants & Catalysts

We provide all types of Dessicants for Gas Generators & Dryer such as CMS, ZMS (4A, 13X,PSA HP O2 etc),Activated Alumina, Silica Gel and Catalysts such as Palldium, Nickel etc.

Catalysts for Gas Plant

Activated Alumina

Carbon Molecular Sieve

Dessicants & Catalysts

PSA Nitrogen Generators

PSA Nitrogen Plant

  • Fully Automatic Operation requiring no special attention
  • Generates Nitrogen as and when required
  • Easy to install and maintain
  • Purity of Nitrogen upto 99.9999% can be achieved
  • Generates Nitrogen at almost 1/10 th cost of cylinder nitrogen
  • Proven Technology
  • More than 1000 Plants based on PSA Technology operating successfully in India.
The compressed air is passed through a Twin Tower PSA module interconnected with automatic changeover valves.  At the bottom of PSA towers, Activated Alumina is provided which has tendency of adsorbing moisture from compressed air.  After passing through this bed of Activated Alumina air gets dried.  Supply of dry compressed air from this layer of desiccant (activated alumina) will be continuous without any interruption.  Dried compressed air will now come in contact with bed of carbon molecular sieves (CMS).  Carbon Molecular Sieves are special grade of absorbent which have the property of preferential adsorption of oxygen molecules. At a time one tower remains under nitrogen production cycle, whereas the other tower undergoes regeneration which is achieved through de-pressurization of the tower to atmospheric pressure. The two towers of PSA modules are inter-connected with automatic changeover valves through pneumatic signal given by solenoid valve which in turn get the electrical signal from the timer provided in the control panel.  The changeover time cycle will be 1 1 minute.  The outgoing nitrogen gas is sent to a surge vessel where the minimum nitrogen pressure will be maintained with the help of Back pressure Regulator.  The product nitrogen will now be sent to the consumer point through a pressure reducing valves at required pressure.

Downstream equipments for High Purity

Oxygen content in product nitrogen can be brought down to 1-3 PPM with the use of DEOXO Unit.

PSA Nitrogen Plant

PSA Nitrogen Generators

Ammonia Cracker

Ammonia Cracker

Ammonia Crackers produce Cracked Ammonia ( NH3 ) Gas using Anhydrous ammonia from cylinders. Cracked ammonia contains 75% Hydrogen and 25% Nitrogen and the product gas is very dry & oxygen free. In heat treatment furnaces, this gas is widely used in reducing atmosphere. Where ever pure hydrogen is needed, cracked ammonia gas serves as a very cost-effective substitute.

Ammonia Cracker

Ammonia Cracker

Refrigerated Dryers

Refrigerated Dryer

The simplest way of removing moisture from compressed air is to reduce the temperature. In this dryer compressed air is passed through a heat interchanger where cold refrigerant at around 3 Deg C is passed through the other side of the heat interchanger. At this temperature most of the moisture is condensed which is then separated and drained out in moisture separator.

Salient Features
  • Simple Non Cyclic operation.
  • Low operating cost.
  • Low Noise.
  • Zero Purge Loss
  • Even lubricated air can be dried
  • Suitable for any capacity
  • PDP of 3 Deg C
  • Electronic Control
  • Environment Friendly Refrigerant.

Refrigerated Air

Refrigerated Dryers

Internally Heated Dryer

Heated Type Dryer

This is an improvised version of heatless dryer where purge air loss is very very low due to regeneration is achieved by dry air at low pressure and at high temperature. To achieve this heaters are provided to heat the purge air to around 180 Deg C, which enhances its moisture carrying capacities. This hot purge air at low pressure is passed through the desiccant bed to regenerate with small quantity of purge.

Salient Features
  • Saving in purge air loss.
  • Dew point upto (-) 80 Deg C (atm) can be achieved.
  • Compact design.
  • Simple operation
Most economical in the range from 200 CFM- 10000 CFM

Internally Heated Dryer

Internally Heated Dryer

Split Flow No Purge Loss Dryer

Split Flow NPL Dryer

To save on ENERGY, here part of wet air is circulated through a heater thereby increasing its moisture carrying capacity, which is used for regeneration. In this type of dryer incoming wet air is divided in a distributor. 60-70% of wet air goes for drying while 30-40% of wet air is circulated through a heater thereby increasing its temparature which then takes out the moisture from desiccant bed and then it is cooled in an after cooler where moisture is condensed and drained out in moisture separator. This air is sent back to the distributor where it mixed with incoming air and distributed again.
  • No purge loss.
  • ADP Better Than (-) 40 Deg C
  • Lubricated Air can be dried
  • Most economical in the range from 400 CFM  onwards

Split Flow No Purge Loss Dryer

Split Flow No Purge Loss Dryer

Contact us

Mr. Shailesh Verma (CEO)
B - 8, Maruti Industrial Estate, Phase - 1, G. I. D. C., Vatva
Ahmedabad, Gujarat - 382 445, India
Telephone:  +(91)-(79)-40064451

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