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Compressed Air Dryer

Halward - is in the field of Compressed air Drying and Air Treatment for more than a decade. We offer Air Drying technologies to suit the varied applictions in the industry. The various air drying technologies we recommend are
1. Point of Use Air Dryer - A combination of Physical moisture separation and Chemical Adsorbtion.
2. Refregeration type Air Dryer.
3. Heatless / Desiccant Type Air Dryer.

Depending on the application of the Compressed Air we can suggest the type of Air Dryer most suitable for your requirement so as to minimize the operational costs.

Point Of Use Compressed Air Dryer

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Point Of Use Compressed Air Dryer
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Approx. Rs 12,000 / PieceGet Latest Price

Product Brochure
Product Details:
Minimum Order Quantity1 Piece
BrandHalward

Moisture is a Menance

  • The HAL is a highly efficient semi regenerative filter style desiccant compressed air dryer using the principle of Coalescent Filtering and Desiccant bed drying. 


Suitable for Applications such as 

  • CNC Machines, Sandblasting, Paint Shop, Powder Coating, Packing machines, Pneumatic tools, Injection Molding, Forging, eM. 


Compressed Air Dryer:

HAL —Desiccant Dryer filter Offer a reliable, efficient, and economical alternative to Pressure swing/Heatless and Refrigerant dryer technoloities 

  • Inbuilt Humidity color Inclicator 
  • Sest Overall efficiency—No electricity and no purge loss 
  • Dew points as low as-23 deg C ADP or3-7 Deg C POP. 
  • Compactand Light weight with no moving parts. 
  • Silent Operation 
  • Low Maintenance Cost

HAL Filter Type Desiccant Campressed Air Dryer
  • Wet Air inlet 
  • Moisture separator 
  • Humidity Indicator
  • Dry AP outlet
  • Sintered Bronx
  • Pressure Gouge
  • Purge Valve
  • Material Inlet Port
  • more. Drain Part
  • manual Drain
  • Activatetl Alumina
  • Activated Carbon Chip (Optional)
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Desiccant Type Compressed Air Dryer

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Desiccant Type Compressed Air Dryer
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Approx. Rs 23,000 / PieceGet Latest Price

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Product Details:
BrandDelair,Parker,Domnick Hunter,Gardner Denver

How does the DC series Adsorption Dryer work?
The DC dryer has two pressure vessels / towers filled with desiccant. While the air is dried in one tower / vessel, the desiccant in the other is reactivated, thus maintaining a continuous and automatic operation.

  • Drying : The wet compressed air is led into one of the adsorber towers through solenoid valves in the smaller models, and through pneumatically controlled valves in the bigger models. This wet compressed air is passed through a specially designed sieve tube for uniform flow of air through the desiccant tower, where it is dried. Part of this dried air is taken out and used for purging or reactivating the desiccant of the tower saturated with moisture. The balance dry air leaves the dryer through a check valve.
  • Regeneration : The purge air with a low water vapour pressure is passed over the desiccant (saturated with adsorbed moisture). The desiccant loses the adsorbed moisture which is expelled into the atmosphere via outlet valve through a muffler. Now the desiccant is dry and ready for adsorption. The heat of adsorption released during this process raises the temperature of the desiccant, which in turn stimulates the liberation of the adsorbed water vapour and thus, the regeneration.
  • Change Over : After a preset time, the desiccant in the first tower needs to be regenerated as it is saturated with the adsorbed moisture. The outlet purge air valve of the second tower is energised in a sequence, where the outlet valve closes first to pressurize the adsorbent in the tower in regeneration mode. The second tower now becomes the adsorber while the first changes to regeneration mode. The wet compressed air now passes through the fresh regenerated adsorber tower thus setting up a continuous process.
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Refrigeration Type Compressed Air Dryer

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Refrigeration Type Compressed Air Dryer
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Approx. Rs 30,000 / PieceGet Latest Price

Product Brochure
Product Details:
Usage/ApplicationRemoval of Moisture from Compressed air
BrandDelair,Parker,Domnick Hunter

How does the delair refrigeration dryer work ?Hot, moist compressed air, precooled by outgoing cold, dry air, in the air-to-air heat exchanger (1), enters the air-to-refrigerantheat exchanger cooling it to the evaporating temperature of the refrigerant and condensing the entrained contaminates. The cyclone separator separates condensate from cold air discharging it through an automatic drain trap. Re-entering the air-to-air heat exchanger, the cold dry air is reheated by the incoming air to approx. 10°C below the incoming air temperature. The compressor (2) delivers the hot high pressure gas via the liquid separator to the air-cooled condenser (3) where the remaining refrigerant is condensed and collected in the receiver (Air Cooled). The subcooled liquid expands to evaporating pressure in the expansion valve. Heat is withdrawn from process air by the refrigerant entering the evaporator. Before entering the compressor, the vapourised refrigerant is separated from droplets by the liquid separator. This cycle is continuously repeated.
Features Highlight:
  • Available in 28 standard models 
  • Capacities from 10.6 cfm to 3540 cfm 
  • Mimic display to read out dewpoint, operating status, faults indication 
  • Provides pressure dewpoints down to 4°C 
  • Unique, patented, foamed in heat exchanger. 
  • Outperforms other dryers. 
  • Certified and reliable performance 
  • Compact design Optional Features 
  • Filters and/or total dryer bypass line with valves. 
  • Special Delair filters for removal of water, oil mists, oil vapour and dust particles with electronically operated drain valves 
  • Explosion proof controls for offshore application.

Description:

  • Refrigeration type dryers use less energy and hence are lower in first and operating costs
  • The refrigeration type air dryer is a packaged self-contained unit fully automatic and produces a steady level of dew point
  • There is no regeneration cycle with complex valves no periodic recharging of chemicals oil in the air stream does not affect performance
  • The Heart of the system is the special foamed in, patented Heat Exchanger which makes it outperform other Dryers
  • The function of the air to air heat exchanger is to lower the load on the refrigerant system and secondly by warming the outgoing cold air pipelines to the required temperature
  • The refrigerant to air heat exchanger (s) further cools the air to the required temperature thus condensing the water vapor from the air which is automatically drained

Applications:

  • Pharmaceutical Industry
  • Food Industry
  • Leather Industry
  • Automobile Industry
  • Steel Industry
  • Powder coating
  • Textile Industry
  • Spray painting.
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High Pressure Compressed Dryer

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High Pressure Compressed Dryer
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Approx. Rs 50,000 / PieceGet Latest Price

Product Brochure
Product Details:
Dryer BrandDelair Parker,Gardner Denver,Domnick Hunter

Overview:
  • Delpet Compressed Air Dryers are specially designed for PET Bottle manufacturing process. Compressed air is used to blow the bottles/containers to the desired shape and size.

How Does it work ?
  • Delair Refrigeration Dryers operate at high pressure upto 40 bar on the method of cooling the air to near freezing point to remove the moisture and the cold dry air is reheated by incoming air to approximately 10°C below the incoming compressed air temperature at nominal conditions.
  • The dryer consists of an air drying unit with centrifugal cum demister pad condensate separator and a refrigeration circuit. The refrigeration circuit consists mainly of a compressor, a condenser, a receiver, a vapour liquid accumulator with liquid refrigerant and an evaporator. The air drying unit consists of two kinds of heat exchangers, one is air to air heat exchangers and second is refrigerant to air heat exchangers.

The Heart of the system is the special foamed in, patented Heat Exchanger which makes it outperform other Dryers.

  • The function of the air to air heat exchanger is to lower the load on the refrigerant system and secondly by warming the outgoing cold air pipelines to the required temperature.
  • The refrigerant to air heat exchanger(s) further cools the air to the required temperature thus condensing the water vapour from the air, which is automatically drained.

Key Features:
  • Available in 17 standard models
  • Microprocessor based Delsmart colour LED card to readout dewpoint, operating status, fault indication
  • Provides pressure dewpoints down to 4°C to 6°C
  • Unique, patented, foamed in heat exchanger. Heat exchanger may vary from model to model
  • Outstanding performance from other dryers
  • Certified reliable performance and compact design
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Engineered Drying Systems

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Engineered Drying Systems
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Approx. Rs 1 Lakh / NumberGet Latest Price

Product Details:
Minimum Order Quantity1 Number
Drying Capacityupto 5000 CFM
Dryer TechnologyCobination of Refregetard and Desiccant
Minimum Output Dew Pointupto -70 ADP

Halward Manufacturers Engineered Drying systems to meet your strigent Air quality requirements and can supply Compressed air dryers with Dew Points a slow as -70 Deg C ADP.

Various type of engineered Drying systems available with us are
1. Heat of Compression Dryers.
2. No Loss Split Flow type Dryers.
3. Blower Reactivated Type Dryers.
4. Vacuum Assisted Drying systems - for dryers kept in flame proof areas.
The above mentioned Drying systems are for high flow of 500 CFM and above with a pressure of 5 Bars and above.

We manufacture Dryers for low flow applications used in laborotary and medical equipments.
1. Point of Use Dryers
2. Membrane Dryers.

We manufacture Dryers for low pressure applications like conveying, material dehydration, etc
1. Low Pressure Refregerated Dryers
2. Low Pressure Desiccant Dryers with Rotary wheel. 
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Ashish Warde (Proprietor)
Halward
Chitrakoot, Tilak Road, Sadashiv Peth
Pune - 411030, Maharashtra, India
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