Oil Free Air Compressor Manufacturers in India

Reciprocating Oil Free Air Compressor 0.5 To 15 HP Two Stage Low Pressure

The technology and development engineers at oil-free technology INDO-AIR did extensive research on the critical components of the compressors to operate in oil free operating conditions.

Oil Free Technology

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Oil Free Technology

The technology and development engineers at oil-free technology INDO-AIR did extensive research on the critical components of the compressors to operate in oil free operating conditions.

The result is the new series of reciprocating compressors with Reliable Oil Free Technology employing special material to withstand extreme pressure & temperature operations.

Salient Features

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  • Sealed and high temperature resistant pre-lubricated bearings.
  • Well designed cooling system of air cooled inter/after coolers.
  • special material piston ring which retains its properties under high temperature working conditions.
  • Piston ring outer surface always in contact with the cylinder bore even after thousands of hours of running and corresponding wear ensuring unchanged pumping up time.
  • Special material piston ensures the retention of cylinder bore finish in adverse temperature condition and expansion of piston.
Oil Free Reciprocating Low Pressure Air Compressor

Proven Rof Technology

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Reliable Oil Free (ROF) technology Gives 100% oil free air and Thousands of hours of continuous running without any seizure.

Standard Scope Of Supply For Complate Package

  • Bare Compressor
  • Air Suction Filter
  • Air Receiver
  • Receiver Fittings like: Safety valve, Pressure Gauge, Service Valve, Drain Valve, Pressure Switch/Auxiliary Valve
  • V-belts & Belt guard
  • Motor Pulley & Motor Slide Rail
  • Motor & Starter

Oil free compressor piston
of special material.

  • Resilient performance across a broad temperature range.
  • Excellent wear and abrasion resistance.
  • Long term mechanical properties and dimensional stability
Oil Free Compressor Piston

Optional Accessories

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  • Receiver : Vertical Or Loose Supply
  • Air Dryer : For Dry Or Moisture Free Air-Refrigerated Air Dryer, Heatless Air Dryer
  • Condensate Drain Trap : Automatic Type
  • Receiver Fittings Like: Safety Valve, Pressure Gauge, Service Valve, Drain Valve, Pressure Switch/Auxiliary Valve
  • Sound Enclosures – For Low Noise
  • Compressor Also Available As Base Plate Mounted, Portable, Tailor-Made Package Etc.

Oil Free Reciprocating Compressors

Technical Specifications

MODEL MOTOR NO. OF
CYL. 		RPM RECIEVER MAX PRESSURE PISTON DISPL
HP KW CFT. LTRS. PSIG KG/CM2 CFM M3/M LTR/MIN
IA 5 NL 0.5 0.38 1 400 1.25 35 110 7.73 3.35 0.095 95
IA 10 NL 1.0 0.75 1 650 2.50 70 125 8.78 5.45 0.154 154
IA 20 NL 2.0 1.50 1 800 2.50 70 125 8.78 9.00 0.255 255
IA 30 NL 3.0 2.20 2 660 7.95 225 142 10.00 13.20 0.374 374
IA 30 NL 5.0 3.70 2 865 7.95 225 142 10.00 17.32 0.490 490
IA 50 NL 5.0 3.70 2 500 8.83 250 142 10.00 19.90 0.564 564
IA 50 NL 7.5 5.50 2 660 8.83 250 142 10.00 26.23 0.743 743
IA 100 NL 10.0 7.50 2 725 10.60 300 142 10.00 40.00 1.133 1133
IA 100 NL 12.5 9.30 2 800 10.60 300 142 10.00 44.00 1.246 1246
IA 100 NL 15.0 11.00 2 900 10.60 300 142 10.00 49.50 1.402 1402
MODEL IA 5 NL IA 10 NL
MOTOR HP 0.5 1.0
MOTOR KW 0.38 0.75
NO. OF CYL. 1 1
RPM 400 650
RECEIVER CFT. 1.25 2.50
RECEIVER LTRS. 35 70
MAX. PRESSURE PSIG 110 125
MAX. PRESSURE KG/CM2 7.73 8.78
PISTON DISPL CFM 3.35 5.45
PISTON DISPL M3/M 0.095 0.154
PISTON DISPL LTR/MIN 95 154
MODEL IA 20 NL IA 30 NL
MOTOR HP 2.0 3.0
MOTOR KW 1.50 2.20
NO. OF CYL. 1 2
RPM 800 660
RECEIVER CFT. 2.50 7.95
RECEIVER LTRS. 70 225
MAX. PRESSURE PSIG 125 142
MAX. PRESSURE KG/CM2 8.78 10.00
PISTON DISPL CFM 9.00 13.20
PISTON DISPL M3/M 0.255 0.374
PISTON DISPL LTR/MIN 255 374
MODEL IA 30 NL IA 50 NL
MOTOR HP 5.0 5.0
MOTOR KW 3.70 3.70
NO. OF CYL. 2 2
RPM 865 500
RECEIVER CFT. 7.95 8.83
RECEIVER LTRS. 225 250
MAX. PRESSURE PSIG 142 142
MAX. PRESSURE KG/CM2 10.00 10.00
PISTON DISPL CFM 17.32 19.90
PISTON DISPL M3/M 0.490 0.564
PISTON DISPL LTR/MIN 490 564
MODEL IA 50 NL IA 100 NL
MOTOR HP 7.5 10.0
MOTOR KW 5.50 7.50
NO. OF CYL. 2 2
RPM 660 725
RECEIVER CFT. 8.83 10.60
RECEIVER LTRS. 250 300
MAX. PRESSURE PSIG 142 142
MAX. PRESSURE KG/CM2 10.00 10.00
PISTON DISPL CFM 26.23 40.00
PISTON DISPL M3/M 0.743 1.133
PISTON DISPL LTR/MIN 743 1133
MODEL IA 100 NL IA 100 NL
MOTOR HP 12.5 15.0
MOTOR KW 9.30 11.00
NO. OF CYL. 2 2
RPM 800 900
RECEIVER CFT. 10.60 10.60
RECEIVER LTRS. 300 300
MAX. PRESSURE PSIG 142 142
MAX. PRESSURE KG/CM2 10.00 10.00
PISTON DISPL CFM 44.00 49.50
PISTON DISPL M3/M 1.246 1.402
PISTON DISPL LTR/MIN 1246 1402
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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.

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