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
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
- 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.
Proven Rof Technology
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
Optional Accessories
- 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.
How air is Compressed ?
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.
Why Compressed Air is needed?
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.
What are points to be considered for Compressor selection?
- 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
Why Quality of Compressed Air is Important?
- To reduce the running costs
- Easy maintenance at low costs
- Quick operation
Common impurities found in Compressed Air?
- Humidity
- Dust particles
- Oil mixed during the process by the compressor
- Gases, Vapours, Fumes.
- Bacteria/Viruses
Defination of Dew Point?
Dew point can be defined as the temperature at which air is fully saturated and below which water will condense.
How to dry the Compressed Air?
Compressed Air can be dried by two methods -
- Refrigeration
- Sorption
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.
What is the basic working principle of a refrigeration Dryer?
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.
What is the basic principle of the Adsorption Dryers?
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.
What are Adsorbents used in the Adsorption Dryers?
- Silica Gel
- Activated Alumina
- Molecular Sieve
Application of refrigeration type air dryers?
- 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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Reciprocating 1 To 20 HP Single-Stage Low Pressure
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 2 To 30 HP Two-Stage Medium Pressure
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