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ELGI  
Reciprocating Air Compressor
"Horizon Series"
:: SINGLE STAGE : 3‐15 HP ( 9 Kg/cm2 )
 
:: TWO STAGE : 3‐15 HP ( 12 Kg/cm2 )
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Rotary Screw Air Compressor
"Global Series"
 :: MODEL : E11‐22

 :: CAPACITY : 1.39‐3.85 m3/min (49‐136 cfm.)
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Rotary Screw Air Compressor
"Horizon Series"
:: MODEl : E11‐E250

:: CAPACITY : 1.19‐43.9 m3/min (42‐1,552 cfm.)
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Rotary Screw Air Compressor
 "Tandem Series"
:: MODEL : EE75‐160

:: CAPACITY : 11.5‐30.7 m3/min (405 ‐ 1,083 cfm.)
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Air Compressor "Portable Power"
:: MODEL : DT 175‐1,100
  
:: CAPACITY : 5‐31 m3/min (175 – 1,100 cfm.)
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 Air Accessories
:: Refrigeration Air dryer 
   Capacity : 10‐2000 cfm.) 
   PDP ±3oC, Amb 35oC,
   Inl 45oC, Press 7 bar
:: Downstream filter
   Capacity : 19‐2000 cfm.
   Range : 1‐0.003 microns
   Max Press 16 bar
   
:: Air receiver Tank
   Capacity : 250‐1000 Ltres.
   (ASME sec.Vlll Div.l or IS 2825)
 
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Types of Compressor

As shown in Figure 4, there are two basic compressor types: positive-displacement and dynamic.

In the positive-displacement type, a given quantity of air or gas is trapped in a compression chamber and the volume it occupies is mechanically reduced, causing a corresponding rise in pressure prior to discharge. At constant speed, the air flow remains essentially constant with
variations in discharge pressure.

Dynamic compressors impart velocity energy to continuously flowing air or gas by means of impellers rotating at very high speeds. The velocity energy is changed into pressure energy both by the impellers and the discharge volutes or diffusers. In the centrifugal-type dynamic compressor,
the shape of the impeller blades determines the relationship between air flow and the pressure(or head) generated.




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