AVS ENGINEERING CO New Sama Road, Barodra, Gujarat

We offer Refrigerated Type Air Dryer. Technical Specifications. Air Capacity: 50 to 5000 NM3Hr. Dew Point : Up to (-) 25°C Operating Pressure: 1 to 50 Kgcm2g Prancipal: For lager air drying capacities, typically above 5000 NM3 hr we offer. It is a skid mounted unit consisting of air-Freon chiller Air to Air pre-cooler and a moisture separator. First air is pre-cooled with outing chilled air to around 25°C and then it is cooled in a Freon cooler to (+)3°C temperature. This reduces power consumption. Outgoing dry air has (+)3°C Pressure Dew Point and comes out at around 25 C temperature. (+) 3°C Dew Point is equal to around (-) 25°C Atmospheric pressure Dew point. Dew Point: (-) 25°C is the best possible Dew Point achievable from Refrigerated Air Dryers. Lower Dew Point is not possible from Refrigerated Dryer as moisture condensed would start freezing on Freon tubes if lower dew point are tried. This (-) 25°C Dew Point is adequate for most dry air applications and instrument air requirements.

Usage : Industrial

We are manufacturing State of Arts PSA Oxygen Plants. The Oxygen Plants work on Pressure Swing Adsorption Principle using molecular silver. Salient Features : * Capacities up to 100 NM3/HR. * No fuel is required * Purity up to 93% is easily achievable * Low Capital & running cost * Fully Automatic Applications * Colors and B & w picture tube/ glass shell Industry. * Lamp/ compact florescent lamp Industry. * Vials & ampoules. * Brazing application. * For Fish farming. * Effluent & waste water treatment. * For Chemical oxidation. * Ozone Generation. * LPG enrichment. * For lancing In steel Industries. * Effluent & waste water treatment. * For Chemical oxidation. * Ozone Generation. * LPC enrichment. * For lancing In steel Industries. * For chemical oxidation. Purity up to 93% Is easily achievable.

Our PSA Oxygen Gas Plant comes with surety of continuous supply of pure oxygen. We are a Manufacturers, Exporters and Suppliers PSA Oxygen Gas Plant. Our clients can avail PSA Oxygen Gas Plant at economical price.PSA PrincipleThis Process consists of 2 Vessels filled with Molecular Sieves (MS) and Activated Alumina. Clean Compressed Air at30oC temperature is passed through one vessel and oxygen comes out as product Gas. The exhaust Gas (Nitrogen) is discharged back into atmosphere. Upon saturation of the Molecular Sieves bed, the process switches oxygen Generation to the other bed by automatic valves while allowing the saturated bed to undergo regeneration. by depressurization and purging to atmospheric pressure. This is 2 vessels keep cycling alternately in oxygen production and regeneration ensuring oxygen Gas is continuously available to your Process. Applications of PSA Oxygen Gas Plant Color and B & w picture tube/ glass shell industry Lamp/ compact fluorescent lamp industry Vials & ampoules Brazing application For fish farming Effluent & waste water treatment For chemical oxidation Ozone Generation LPG enrichment For lancing in steel Industries  Effluent & waste water treatment For chemical oxidation Ozone Generation LPC enrichment For lancing in steel industries For chemical oxidation Salient Features Fully Automatic No fuel is required Low capital & running cost Purity up to 95% is easily achievable Other Details Capacity : 1Nm3/hr to 200Nm3/hr Purity : Up to 95% Pressure : Up to 4 bar without oxygen booster Dew Point : Up to (-) 40oC

Nitrogen generation plant based on the PSA process consists of two absorbers filled with carbon molecular sieves (CMS). Compressed and purified air is passes through the absorbers. Mainly oxygen is absorbed on the carbon molecular sieves and nitrogen enriched gas is leaving the absorber. The oxygen concentration can be reduced to almost all required levels. During adsorption in one absorber the second absorber is totally regenerated just by depressurization to ambient pressure. The oxygen enriched off gas is vented. After about one minute adsorption in one absorber the process controller is switching over to the second absorber. We use material from carbotech who has pioneered the scale - up of the production of narrow pored carbon molecular sieves to an industrial level. In one multi-step process on ultra-fine pore structure is formed in the molecular sieves pellets. This structure facilitates easy separation of different sized oxygen and nitrogen molecules. CMS is the crucial element of any PSA plant. Utilizing the BF-Process. The characters tics of CMS are unique. It is highly resilient towards long term pressure swing usage. Moreover, the excellent auto regenerative characteristic of the sieves leads to many years of high quality nitrogen production. Hence one CMS charge lasts as long as the PSA plant. This makes it a safe long terms investment. Salient Features : * Capacities upto 350 NM3/hr. * No fuel is required * Purity upto 99.9999% is easily achievable * Low Capital & running cost * Start up time of only 20 minutes Capacities & sizes : It is available in capacities up to 200 Nm3/hr. and higher capacities are available on request. Purity : Nitrogen is available up to 99.9999% purity. Various model are available for different kind of applications Models Purity Standard : This is most popular model and produce gas up to 99.9% without any purification system. Most economical purity is 97.5% to 99.5% DX Model : In case higher purities are required like 99.999 % and additional deoxo purification systems is required. There are two types are available.

We are a renowned Manufacturer, Supplier and Exporter of PSA Nitrogen Gas Plant. Designed with perfection, PSA Nitrogen Gas Plant is reliable for efficient performance. PSA Nitrogen Gas Plant is designed to be used in refineries and chemical plants, bear, wine and juices, oil and gas platforms, metal-treatment and electronics/laboratory applications and so on. PSA Nitrogen Gas Plant is available at economical price.Working of PSA Nitrogen Gas PlantThis Process consists of 2 beds filled with carbon Molecular Sieves (CMS). When PRE-Filtered compressed air is passed thought one CMS bed, Nitrogen comes out as the product gas. The waste gas (oxygen, carbon dioxide, etc.) is discharged back into atmosphere. Upon saturated of the CMS bed, the process switches nitrogen regeneration to other bed, while allowing the saturated bed to undergo regeneration by depressurization to atmospheric pressure. This ensures continuous supply of Nitrogen to your System.Salient Features of PSA Nitrogen Plants Capacity  up to 1200Nm3/hr No fuel is required Purity up to 99.999% is easily achievable Low Capitals Coast Start up time of only 10 to 15 Minutes Details Capacity : 1Nm3/hr to 1200Nm3/hr Purity : Up to 99.9999% Pressure : Up to 10 Bar Dew Point : up to (-) 80~C

We provide a wide range of Pressure Vessels for our clients based not only in India but also in UK. Pressure Vessels are manufactured from 300 grade stainless steel, SA 516 GR 70 and carbon steel. Pressure Vessels are quality tested on well-defined parameters before being delivered to our clients. Pressure Vessels are used in chemical, fertilizers, food and dairy, petrochemical, pharmaceutical, chemical, pulp and paper sectors. Specifications Design Codes : ASME sec VIII Div I, IS: 2825, or custom design Pressure Testing : Up to 30 bars

The company has emerged as a highly reliable Manufacturer, Exporter & Supplier of Oxygen Gas Analyzer. The company offers the best quality Oxygen Gas Analyzers and Percentage / PPM Gas Analyzers that are bench top versions with long-lasting sensors. The efficient performance of the Digital Oxygen Gas Analyzers has been widely appreciated across the industrial sector in the world.Features Bench top version with high life sensor Mains 220 V A.C  Operated with optional inbuilt Ni Cd which is rechargeable  Batteries for standby/portable application   Specifications Principle : Galvanic Cell Display : Digital Ranges : 0–199.9PPM,Resolution:0.1ppm 0 -1999 PPM Resolution : 1 PPM 0 - 30.0% for Air Calibration Alarm : 0-100 Or 0-1000 PPM as per Range Setting, with front panel setting and Direct reading dial Alarm Output : Visual on panel and 1P2W Relay contact on back panel Recorder O/P : 0-1 V DC Std., 4-20 optional Flow Regulation, Flow Meter and By Pass /Online Valve provided in an integrated configuration Gas Connections : 1/8” Swagelok Type  

Heat Reactivated Air Dryer is used when one needs compressed air of very low dew point of (-) 60o C or 80oC. In Heat Reactivated Air Dryer, the desiccant is regenerated at higher temperature, along with small quantity of dry air purge. Due to purging with dry air and thermal regeneration, residual moisture loading on desiccant becomes low and this gives very low dew points. Operating PrincipleThe drying unit has 2 vessels filled with Activated Alumina or Molecular sieves desiccant. One vessel remains in drying cycle for 4 hours, while other vessel is simultaneously regenerates at atmospheric pressure. Around 3% flow of dryer capacity is used as purge for regeneration. Electrical heaters are provided in a central finned stainless steel pipe in both drying vessels. Heating cycle is for 2 hours and in this time hot purge air increases desiccant temperature to around 100 degree c. At this temperature, regeneration is complete (due to dry air purge). Dew point achieved is around 40 degree c. If still lower dew point is required, air-purging rate is slightly increased to 5% for 60 degree C and to 7.5% for 80 degree C DEW point requirements.    FiltersA pre-filter with automatics drain valve is provided to remove any physical moisture from Compressed air before entering air Dryer. A  Micron filter is also provided in dryer outlet to arrest any desiccant dust particles, up to 1 micron size. Thus you get absolutely “Clean & dry compressed air.Features A fully automatics unit requiring no attention of the operator Heaters switch ON/Off and all valves operate automatically Pressure is equalized to line pressure before changeover of drying vessels. This prevents pressure and flow surge and desiccant dusting. Low-pressure air requirement in compression to heatless type air dryer Desiccant life is around 5 year Internal heaters provided maximum heat transfer efficiency resulting in lower power requirements Counter current heated dry purge air provides maximum removal of moisture with minimum gas purge loss Heaters are not in physical contact with the desiccant resulting in long life or desiccant Capacity Air Capacity : 5 to 5000 Nm3/Hr Dew Point : Up to (-) 40o C to (-) 80o C Operating Pressure :  5 to 35 Kg/cm2g

Offered Internal Heat Reactivated Dryer are used when one needs compressed air of very low dew point of (-) 60°C or 80°C. In this design, the desiccant is regenerated at higher temperature, along with small quantity of dry air Purge. Due to purging with dry air and thermal regeneration, residual moisture loading on desiccant becomes low and this gives very low dew points. Capacity: • Air Capacity: 5 to 5000 Nm3Hr • Dew Point : Up to (-) 40°C to (-) 80°C • Operating Pressure: 5 to 35 Kgcm2g Operating Principle: The drying unit has 2 vessels filled with Activated Alumina or Molecular sieves desiccant. One vessel remains in drying cycle for 4 hours, while other vessel is simultaneously regenerates at atmospheric pressure. Around 3% flow of dryer capacity is used as purge for regeneration. Electrical heaters are provided in a central finned stainless steel pipe in both drying vessels. Heating cycle is for 2 hours and in this time hot purge air increases desiccant temperature to around 100 degree c. At this temperature regeneration is complete (due to dry air purge). Dew point achieved is around 40 degree c. If still lower dew point is required, air purging rate is slightly increased to 5% for 60 degree C and to 7.5% for 80 degree C DEW point requirements. Filters: A pre-filter with automatics drain valve is provided to remove any physical moisture from Compressed air before entering air Dryer. A Micron filter is also provided in dryer outlet to arrest any desiccant dust particles, up to 1 micron size. Thus you get absolutely “Clean & dry compressed air. Features: • Pressure is equalized to line pressure before changeover of drying vessels. This prevents pressure and flow surge and desiccant dusting. • Low pressure air requirement in compression to heatless type air dryer. • Desiccant life is around 5 year.

Capacity : 5NM - 200NM

Frequency : 50 HZ

Heatless Dryer simplest type of air dryer with Activated Alumina/Molecular Sieves drying agent. Heatless Dryer is virtually maintenance free, fully automatic, and requires no attention for year. Heatless Dryer does not require any heating for re-generation and therefore are very simple in design and maintenance free.Operating PrincipalIn Heatless Dryers, two vessel filled with desiccant are provided which cycle automatically, producing dry air continuously. In these units, wet air enters the bottom of one Vessel and passes upwards through the desiccant bed where the moisture is adsorbed. The dry air comes out from the top. A small portion of dry air is passed downwards through the desiccant bed in second vessel, which is under re-generation. Moisture laden purge air is then vented out to atmosphere. The purge loss is around 7.5% of the total airflow. At preset interval, the vessel changeover automatically, and Dry air is available continuously, without any surge.Low Operating CostDue to its inherent simple design, investment in this type of dryer is the cheapest and the payback on this investment is very quickly. Low Temperature operation reduces corrosion in tower and desiccant lasts longer. Power requirement is 60 watt only for Solenoids Valves OperationCapacity Air Capacity : 5 to 10000 NM3/Hr. Dew Point : Up to (-) 60oC Operating Pressure : 5 to 35 Kg/cm2g

We offer Heatless Type Air Dryer. Operating Principal: In Heatless Dryers, two vessel filled with desiccant are provided which cycle automatically, producing dry air continuously. In these units, wet air enters the bottom of one Vessel and passes upwards through the desiccant bed where the moisture is adsorbed. The dry air comes out from the top. A small portion of dry air is passed downwards through the desiccant bed in second vessel, which is under re-generation. Moisture laden purge air is then vented out to atmosphere. The purge loss is around 7.5% of the total air flow. At preset interval, the vessel changeover automatically, and Dry air is available continuously, without any surge. Easy Operation: This is simplest type of air dryer with Activated Alumina / Molecular Sieves drying agent. This is virtually maintenance free, fully automatic, and requires no attention for year heatless type dryers do not require any heating for re-generation and therefore are very simple in design and maintenance free. Low Operating Cost: • Due to its inherent simple design, investment in this type of dryer is the cheapest and the payback on this investment is very quickly. • Low Temperature operation reduces corrosion in tower and desiccant lasts longer. • Power requirement is 60 watt only for Solenoids Valves Operation. Capacity: • Air Capacity: 5 to 10000 NM3/Hr. • Dew Point : Up to (-) 60°C • Operating Pressure: 5 to 35 Kg/cm2g

HOC Air Dryer is a fully automatic mass quantity instrument designed for process air in chemical industries & other engineering applications where mass volume air may be required. HOC Air Dryer ensures continuous duty with long efficient service life. The maintenance of HOC Air Dryer is easy to as there are no Blower no Heaters, and no moving parts. HOC Air Dryer has low-pressure drop across the dryer less than 0.3 kg/cm2.WorkingHOC Air Dryer has NIL operating cost in this design hot air coming out from Air compressor discharge is used for regeneration of desiccant and so no external electric regeneration heating is required. This design easily produces dry air of (-) 40o C Dew Point.Technical Specifications Air Capacity : 500 to 5000 NM3/hr. Dew Point : Up to (-) 40o C Operating principleThe Heat of compression dryers (HOC) are the latest generation chemical dryers based on adsorption principle. It does not have complex valuing & is eliminated with purge loss drawback as in heatless type dryer. The hot air from the compressor at 120o C and higher temperature is used directly for regeneration of the desiccant. After regeneration, this air is cooled down to 40oC and then it is dried in second tower. Thus, the use of heaters is eliminated. For e.g. in the 6+6 Hrs. Cycle the hot air is fed for regeneration for 4 Hrs. and for balance 2 Hr. a changeover takes place where the air is first cooled in cooler, then dried and before going to the outlet, cools the regenerated desiccant bed, thus bringing it down to ambient temperature. This cycle is reversed for the next 4hrs, where the absorber drying the air in the previous cycle goes for regeneration and vice versa.

We are offering External heat reactivated air dryers are bulky in size and power consumption is all most is double as compare to internal heat re-activated type air dryer in capacity Less than 500 Nm3hr these are un- commercial  and not recommended   also since regeneration of desiccant is by atmospheric air. These dryers give the dew point only up to (-) 40°C CapacityAir Capacity: 500 to 5000 Nm3Hr.Dew Point   :   Up to (-) 40°C Operating Pressure:  5 to 35 Kgcm2g   Operating Principle:In this design there is no loss  of compressed air time cycle is 6+6 Hrs with (-)  drying towers filled with silica gel desiccant for regeneration , a centrifugal air blower and an electrical heater is provided desiccant is heated up to 200°C by hot air of completely    re –generation Compression with internal heat re-activated type air dryer:Investment cost of these Air dryer is all most double as compared to internal heat re-activated air dryers.It is recommended to go for this type of dryer only when loss compressed air during regeneration is not acceptable and dew point required is not critical also these are recommended for capacities above 500Nm3hr only. Operating pressure can be from 1 to 50 kgcm2g.

CO2 Gas Dryer are used to removing of Moisture in   Co2 gas mostly used in food and Braveries Industry. After Installed Co2 dryer dew point of (-) 60oC . In this design, the desiccant is regenerated at higher temperature, along with small quantity of dry Co2 Purge.  Due to purging with dry Co2 and thermal regeneration, residual moisture loading on desiccant becomes low and this gives very low dew points. Capacity : Gas  Capacity : 20kg/hr to 2000kg/hr Dew Point :   Up to ( -40oC) to (-80oC) Operating Pressure :  5 to 80 Kg/cm2g   Operating Principle :The Co2 drying unit has 2 vessels filled with Molecular sieves desiccant. One vessel remains in drying cycle for 4 hours, while other vessel is simultaneously regenerates at atmospheric pressure. Around 2 to 3% flow of dryer capacity is used as purge for regeneration. Electrical heaters are provided in a central finned stainless steel pipe in both drying vessels. Heating cycle is for 2 hours and in this time hot purge air increases desiccant temperature to around 150 degree c. At this temperature regeneration is complete (due to dry Co2 purge). Dew point achieved is around (-60 ~C) If still lower dew point is required, Co2 purging rate is slightly increased to 5% for (-60 ~C) and to 7.5% for (-80 ~C) Dew point requirements.   Filters : A pre-filter provided to remove any physical moisture from Co2 Plant / Co2 tanker before entering Co2 Dryer. A  Micron filter is also provided in dryer outlet to arrest any desiccant dust particles, up to 1 micron size. Thus you get absolutely “Clean & dry compressed air.   Features : A fully automatics unit requiring no attention of the operator. Heaters switch ON/Off and all valves operate automatically. Pressure is equalized to line pressure before changeover of drying vessels. This prevents pressure and flow surge and desiccant dusting. Desiccant life is around 5 year. Internal heaters provided maximum heat transfer efficiency resulting in lower power requirements. Counter current heated dry purge air provides maximum removal of moisture with minimum gas purge loss. Heaters are not in physical contact with the desiccant resulting in long life or desiccant.

Our offered CO2 dryer has NIL operating cost in this design CO2 Coming from Client system used for regeneration of desiccant and so no external electric regeneration heating is required. This design easily produces dry air of (-) 60° C Dew Poin.t Technical Specifications: Air Capacity: 500 to 5000 NM3hr. Dew Point : Up to (-) 40°C The Co2 are the latest generation chemical dryers based on adsorption principle. It does not have complex valuing & is eliminated with purge loss drawback as in heatless type dryer. The hot co2 Gas from the regeneration at 150°C and higher temp. is used directly for regeneration of the desiccant. After regeneration, this air is cooled down to 40°C and then it is dried in second tower. Thus, the use of heaters is eliminated. For e.g. in the 6+6 Hrs. Cycle the hot air is fed for regeneration for 4 Hrs. and for balance 2 Hr. a changeover takes place where the air is first Cooled in cooler, then dried and before going to the outlet, cools the regenerated desiccant bed, thus bringing it down to ambient temperature. This cycle is reversed for the next 4Hrs. where the Absorber drying the air in the previous cycle goes for regeneration and vice versa. Salient Features: • No Power requirement for regeneration • No loss of compressed air • Maintenance is easy as there are no Blower no Heaters, and no moving parts • Low pressure drop across the dryer less than 0.3 kgcm2 • Continuous duty with long efficient service life • Easy to install and user friendly • Fully Automatic continuous operation Applications: Mass quantity instrument, process air in chemical industries & other engineering applications where mass volume air may be required.

We are a quality-oriented Manufacturer, Supplier and Exporter of Biogas Purification System. Biogas Purification System is fully automatic and offers low capital & running cost. Biogas Purification System does not require fuel to run.   Working Principle As raw gas enter in through composite bed of twin tower PSA module packed with special grade molecular sieves and activated alumina, which has a 5+5 minute time cycle. One tower is switched on to adsorption while the other is simultaneously regenerated by Vacuumed Pump. The cycle is repeated from tower which is in adsorption is now comes in regeneration and tower which is in regeneration which comes in adsorption and continuous Product Bio Gas will come out from the system.   The entire operation, which is totally automatic, is controlled by a sequence programmer and quick change over valves. Bio gas of purity CH4 95 to 97% and CO2 Percentage 3 to 5 % & H2S approximately nil or traces level at 3000mmWc pressure. The produced by the PSA unit and it flows to a surge vessel to balance the fluctuations in pressure and concentration.   Details Capacity : 10Nm3/hr to 500Nm3/hr Purity :  CH4 :   97%   CO2 :  3% & H2S :  Nil. Pressure : Up to 200 Bar with Booster

Avs Engineering Co has been manufacturing and supplying very reliable and efficient Ammonia Cracking Unit for over three decades. Our experience and knowledge of ammonia cracking is the best in the industry and we are looking up to as the industry leaders for these types of Hydrogen Generators. Details Ammonia Cracking Unit is catalytic cracking unit in which Ammonia (NH3) is disassociated to Hydrogen and Nitrogen Gas.                            2NH3 = 3H2 + N2 Refrigeration grade ammonia is from cylinder or storage tank is used as feed. The product gas has 75% Hydrogen and 25% Nitrogen; this gas is further purified in a Molecular Sieves unit by removing un-cracked ammonia and moisture. Specifications Capacity : 1Nm3/hr to 500Nm3/hr Purity : 100 PPM TO 1-PPM un-Cracked Ammonia Pressure : Up to 6 Bar without Booster compressor Dew Point : up to (-) 80

AVS has been Manufacturing and Supplying very reliable and efficient Ammonia Cracking Unit for over three decades. Our experience and knowledge of ammonia cracking is the best in the industry and we are looking up to as the industry leaders for these types of Hydrogen Generators. Technical Specifications: Capacity: 1Nm3hr to 500Nm3hr Purity : 100 PPM TO 1-PPM un-Cracked Ammonia Pressure: Up to 6 Bar without Booster compressor Dew Point: up to (-) 80°C Technical Specifications: Applications: • For providing atmosphere In Hydrogen Bell annealing furnace in cold rolling Industries • Stainless steel wire annealing • Hydrogenation of castor oil non edible oil ' • Metal Powder annealing • Brazing application • Continuous galvanizing lines • Bimetal products annealing • Sintered products annealing • For providing reduction in bulk drug