High Pressure Reciprocating Air Compressor

Reciprocating High Pressure Air Compressor 3 To 30 HP Multi Stage High Pressure

INDO-AIR Multi-stage, High Pressure Air Compressors are available in two & three stages in two cylinder & three cylinder versions. Robust, overhung design crankshaft for reliability and easy maintenance, solid end connecting rods, highly thermal efficient inter cooling, totally reliable splash lubrication and balanced V-type construction for smooth vibration-free operation. Cross head cylinders are used in case of the last stage small diameter piston for better support and to accommodate adequate Con Rod bushing.

Factors to consider in an Air Compressor

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Factors to consider in Air Compressor
  • How often the compressor is used and how it is used.
  • Short list in-plant compressed air application. Make a list of equipment in the plant Consuming compressed air and expected air flow requirement in ‘CFM’ and the required pressure in ‘PSI’
  • Consider the duty cycle of your compressors as most compressors are not meant to run all the time.
  • Decide on the size/capacity of the tank. The more use of equipments means the need for larger tank. Choosing a larger tank than the need will ensure optimum use of the Compressor.
  • Consider 10% more capacity compressor to compensate the air misuse or leaks and pressure drop in the system.
  • Decide on the continuous run style or start-stop style compressor. ( A compressor that runs continuously, but only compresses air as per demand or a compressor that fills the tank and stops until low pressure signals a start).
  • Consider the accessory which is to be installed with each compressor.
  • Other like maintenance, life expectancy, trouble shooting (also know the manufacture network/ regional offices), repair costs, etc.

Standard Scope of Supply for Complete Package

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  • Bare compressor
  • Air Suction Filter
  • Air Receiver
  • Receiver Fittings like: Safety Valve, Pressure Gauge, Service Valve, Drain Valve, Pressure Switch / Auxiliary Valve
  • ASSC / CSC Regulation
  • V-belts & Belt Guard
  • Motor Pulley & Motor Slide Rail
  • Motor & Starter
Supply for Package

Optional Accessories

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Air Compressor Accessories
  • Receiver – vertical or loose supply
  • Drive : Motor or Engine
  • Pre filter & After filter : For oil removal purpose
  • Air Dryer : For dry or moisture free air – Refrigerated; Heatless Air Dryer
  • Air Dryer : Condensate Drain Trap : Automatic Type
  • Low Oil Level Switch
  • Sound Enclosures : For low noise
  • Control Panel – for centralized control & display of parameters
  • Compressor also available as : Base Plate Mounted – Portable, Tailor- made package

Multi Stage High Pressure Compressors ( 17 - 70.30 Kg/cm2 )

Technical Specifications

MODEL MOTOR NO. OF
CYL.
RPM RECEIVER MAX. PRESSURE PISTON DISPL
HP KW CFT. LTRS. PSIG KG/CM2 CFM M3/M LTR/MIN
IA 261 3.0 2.20 2 675 5.30 150 500 35.15 7.60 0.210 210
IA 37T2 7.5 5.50 2 530 10.60 300 500 35.15 24.00 0.680 680
IA 37T2 10.0 7.50 2 710 10.60 300 500 35.15 32.25 0.920 920
IA 37T2 12.5 9.30 2 800 10.60 300 500 35.15 36.36 1.030 1030
IA 45T2 15.0 11.00 3 760 17.66 500 500 35.15 41.80 1.180 1180
IA 45T2 15.0 11.00 3 650 17.66 500 1000 70.30 35.75 1.010 1010
IA 45T2 20.0 15.00 3 900 17.66 500 500 35.15 49.50 1.400 1400
IA 45T2 20.0 15.00 3 900 17.66 500 600 42.18 49.50 1.400 1400
IA 45T2 20.0 15.00 3 900 17.66 500 800 56.25 49.50 1.400 1400
IA 45T2 20.0 15.00 3 875 17.66 500 1000 70.30 48.00 1.360 1360
IA 45T2TWIN 20+20 15+15 3+3 900 17.66 500 500 35.15 99.00 2.800 2800
IA 505T2 15.0 11.00 3 600 17.66 500 375 26.36 55.00 1.560 1560
IA 505T2 20.0 15.00 3 750 17.66 500 375 26.36 68.00 1.930 1930
IA 505T2 25.0 18.00 3 900 17.66 500 375 26.36 81.80 2.310 2310
IA 505T2WIN 20+20 15+15 3+3 750 17.66 500 375 26.36 136.00 3.860 3860
IA 505TK 20.0 15.00 3 650 17.66 500 425 30.00 68.00 1.926 1926
IA 505TK 25.0 18.00 3 800 17.66 500 425 30.00 85.00 2.407 2407
IA 505TK 30.0 22.00 3 900 17.66 500 425 30.00 99.00 2.804 2804
MODEL IA 261 IA 37T2
MOTOR HP 3.0 7.5
MOTOR KW 2.20 5.50
NO. OF CYL. 2 2
RPM 675 530
RECEIVER CFT. 5.30 10.60
RECEIVER LTRS. 150 300
MAX. PRESSURE PSIG 500 500
MAX. PRESSURE KG/CM2 35.15 35.15
PISTON DISPL CFM 7.60 24.00
PISTON DISPL M3/M 0.210 0.680
PISTON DISPL LTR/MIN 210 680
MODEL IA 37T2 IA 37T2
MOTOR HP 10.0 12.5
MOTOR KW 7.50 9.30
NO. OF CYL. 2 2
RPM 710 800
RECEIVER CFT. 10.60 10.60
RECEIVER LTRS. 300 300
MAX. PRESSURE PSIG 500 500
MAX. PRESSURE KG/CM2 35.15 35.15
PISTON DISPL CFM 32.25 36.36
PISTON DISPL M3/M 0.920 1.030
PISTON DISPL LTR/MIN 920 1030
MODEL IA 45T2 IA 45T2
MOTOR HP 15.0 15.0
MOTOR KW 11.00 11.00
NO. OF CYL. 3 3
RPM 760 650
RECEIVER CFT. 17.66 17.66
RECEIVER LTRS. 500 500
MAX. PRESSURE PSIG 500 1000
MAX. PRESSURE KG/CM2 35.15 70.30
PISTON DISPL CFM 41.80 35.75
PISTON DISPL M3/M 1.180 1.010
PISTON DISPL LTR/MIN 1180 1010
MODEL IA 45T2 IA 45T2
MOTOR HP 20.0 20.0
MOTOR KW 15.00 15.00
NO. OF CYL. 3 3
RPM 900 900
RECEIVER CFT. 17.66 17.66
RECEIVER LTRS. 500 500
MAX. PRESSURE PSIG 500 600
MAX. PRESSURE KG/CM2 35.15 42.18
PISTON DISPL CFM 49.50 49.50
PISTON DISPL M3/M 1.400 1.400
PISTON DISPL LTR/MIN 1400 1400
MODEL IA 45T2 IA 45T2
MOTOR HP 20.0 20.0
MOTOR KW 15.00 15.00
NO. OF CYL. 3 3
RPM 900 875
RECEIVER CFT. 17.66 17.66
RECEIVER LTRS. 500 500
MAX. PRESSURE PSIG 800 1000
MAX. PRESSURE KG/CM2 56.25 70.30
PISTON DISPL CFM 49.50 48.00
PISTON DISPL M3/M 1.400 1.360
PISTON DISPL LTR/MIN 1400 1360
MODEL IA 45T2TWIN IA 505T2
MOTOR HP 20+20 15.0
MOTOR KW 15+15 11.00
NO. OF CYL. 3+3 3
RPM 900 600
RECEIVER CFT. 17.66 17.66
RECEIVER LTRS. 500 500
MAX. PRESSURE PSIG 500 375
MAX. PRESSURE KG/CM2 35.15 26.36
PISTON DISPL CFM 99.00 55.00
PISTON DISPL M3/M 2.800 1.560
PISTON DISPL LTR/MIN 2800 1560
MODEL IA 505T2 IA 505T2
MOTOR HP 20.0 25.0
MOTOR KW 15.00 18.00
NO. OF CYL. 3 3
RPM 750 900
RECEIVER CFT. 17.66 17.66
RECEIVER LTRS. 500 500
MAX. PRESSURE PSIG 375 375
MAX. PRESSURE KG/CM2 26.36 26.36
PISTON DISPL CFM 68.00 81.80
PISTON DISPL M3/M 1.930 2.310
PISTON DISPL LTR/MIN 1930 2310
MODEL IA 505T2WIN IA 505TK
MOTOR HP 20+20 20.0
MOTOR KW 15+15 15.00
NO. OF CYL. 3+3 3
RPM 750 650
RECEIVER CFT. 17.66 17.66
RECEIVER LTRS. 500 500
MAX. PRESSURE PSIG 375 425
MAX. PRESSURE KG/CM2 26.36 30.00
PISTON DISPL CFM 136.00 68.00
PISTON DISPL M3/M 3.860 1.926
PISTON DISPL LTR/MIN 3860 1926
MODEL IA 505TK IA 505TK
MOTOR HP 25.0 30.0
MOTOR KW 18.00 22.00
NO. OF CYL. 3 3
RPM 800 900
RECEIVER CFT. 17.66 17.66
RECEIVER LTRS. 500 500
MAX. PRESSURE PSIG 425 425
MAX. PRESSURE KG/CM2 30.00 30.00
PISTON DISPL CFM 85.00 99.00
PISTON DISPL M3/M 2.407 2.804
PISTON DISPL LTR/MIN 2407 2804
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FAQs

Common questions we get asked about air compressors with our replies.
Trouble shooting questions are answered on another page, there links to other popular air compressor related pages to the right.

The atmospheric air enters the compressor at atmospheric pressure and leaves it as a high pressure at low volume gas . This process can be done by Piston or by Rotary.

All process in indusries can not be done with atmostpheric pressure hence air is required to compress so that process can be been done.

volume of 0.818 m3; or 1 lb of air a volume of 13.07 ft3.

  • Causing leakages causing facrors like rust and scale deposits in steel pipes
  • Any resistance
  • Improper selection of pressure controling devices in the system
  • Moist in electro-magnetic controls
  • Freezing of moisture in pneumatic conveying system
  • Inaccurate moving parts

  • To reduce the running costs
  • Easy maintenance at low costs
  • Quick operation

  • Humidity
  • Dust particles
  • Oil mixed during the process by the compressor
  • Gases, Vapours, Fumes.
  • Bacteria/Viruses

Dew point can be defined as the temperature at which air is fully saturated and below which water will condense.

Compressed Air can be dried by two methods -

  • Refrigeration
  • Sorption
Refrigeration:- When the temperature of the air is lowered, its ability to hold moisture is reduced. A refigeration dryer reduces the dewpoint of the air by reducing the temperature of the air, thus separating moisture.
Sorption:- The air stream passes over a bed of granular desiccant which in its active state has a vapour pressure below the vapour pressure of air stream to be dried and therefore physically removes the moisture from the air stream. Sorption can be classified into Absorption and Adsorption.
Absorption:- Absorption systems use a desiccant that dissolves with the absorbed moisture. The desiccant cannot be regenerated.
Absorption:- Adsorption dryers operate by passing compressed air through a bed of desiccant material, to which the water vapour is adsorbed.. These desiccants once saturated can be regenerated and reused.

Hot, moist air enters the refrigeration dryer through an air to air heat exchanger, where the temperature of the inlet air is reduced. This cooled air now passes through a refrigerant to air to air heat exchanger where the tempe¬rature of the air is reduced to between 2° to 5°C The cooling induces condensation and the liquid water is removed in a liquid seprator. The dry air now goes out of the dryer through the air to air heat exchange where the temperature of the air is increased to slightly below the incoming air. This is a continuous process.

The dewpoint cannot go below 2°C PDP.

There are several different types of regenerative dryers but they all conform to the same basic concept. A regenerative dryer consists of two towers filled with the desiccant. The desiccant in one bed is on stream, drying the air, while the desiccant in the other tower is being regenerated. The two towers are interlinked with switching valves so that when the desiccant in the drying tower is saturated, the valves switch the flow into the tower that has just been regenerated. This switching operation is automatic giving conti¬nuous drying.

With an adsorption dryer, very low dewpoint, down to -40°C or -60°C can be achieved.

  • Silica Gel
  • Activated Alumina
  • Molecular Sieve

  • For general plant air, dewpoints of 2°C to 4°C are considered sufficient,
  • Refrigeration type dryers use less energy and hence are lower in first and operating costs.

Our Products

Experts in the field of engineering for the compressors & vacuum pumps industry

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Rotary Screw 7.5 To 270 HP Lubricated

Main part of Screw Compressor is Air-end, consisting of a pair of rotors. The male motor is driven by electric motor. Suction of air though Inlet filter and suction control valve.

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The search for a reliable 100% Oil Free quality air has prompted INDO-AIR to come out with totally engineered, tested and high performance range of compessors.

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Reciprocating Low Pressure Air Compressor
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INDO-AIR Single-stage air compressors are designed for low pressure application. These compressors have cylinders of same size (regardless of the number of cylinders).

Reciprocating Medium Pressure Air Compressor
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INDO-AIR Two - stage air compressors are designed for medium pressure application and are made of heavy-duty components to give optimum performance.

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