Oil Free Receprocating Compressor

It is another masterpiece of COAIRE persuing high efficiency oil free product.


Application of New Flapper Valve to Improve Discharged Air Volume

Nickel plated valve spacer to prevent corrosion of high strength Sandvik valve steel

Application of Independent Piston Ring with Improved Sealing Ability

Teflon ring contains graphite with excellent thermaland wear resistance,minimizing leak during compression

Application of Innovative Piston Pin with Excellent Thermal Insulation Effect

Thermal insulation material having excellent thermal insulation effort was moulded into piston pin to block compressed heat from the piston, extending the life span of needle bearing


Bare Type
(Pressure Switch System)

Characteristics of Bare Type Oil Free Reciprocating Products

Features & Benefits

  • Operation and stop switched by pressure switch
  • Product of 10HP and above are manufactured with double row structure

Standard Specification of Bare Type Oil Free Reciprocating

Model Moter Bore x Stroke No. of Cylinder Piston Displacement Free Air Delivery Max. Working Pressure Air Receiver Tank Volume Air Outlet Dimension Weight
kW(HP) mm - LPM CFM LPM CFM Bar psi(g) Main(ℓ) A(B) LxWxH(mm) kg
AC-B1PA1 0.75 (1) 60x50 1 141 4.98 84 3.0 7.0 99.6 75 15A (1/2) 1160x450x860 84
AC-B2PA1 1.5 (2) 82x50 1 285 10.1 165 5.8 7.0 99.6 75 15A (1/2) 1160x450x900 105
AC-B3PA1 2.2 (3) 82x50 2 417 14.7 255 9.0 7.0 99.6 135 15A (1/2) 1280x450x920 134
AC-B5PA1 3.7 (5) 90x60 2 657 23.2 430 15.1 7.0 99.6 155 15A (1/2) 1460x530x990 188
AC-B7.5PA1 5.5 (7.5) 90x60 3 985 34.8 640 22.6 7.0 99.6 155 25A (1) 1460x530x1090 250
AC-B10PA2 7.5 (10) 90x60 2x2 1314 46.4 860 30.2 7.0 99.6 260 25A (1) 1700x620x1100 355
AC-B15PA2 11 (15) 90x60 3x2 1970 69.6 1280 45.2 7.0 99.6 280 25A (1) 1830x640x1220 499
Specifications are subject to change without prior notice due to remodeling of products, etc.
Package Type P-U
(Pressure Switch & automatic Unloading)

Characteristics of Package Type P-U Oil Free Reciprocating Products

Features & Benefits

  • Switching of operation mode (P-U conversion switch) to select operation method between automatic unloding method and pressure switch method
  • Sound absorption material and vibration-proof material are attached inside the package for use in places that require low noise and low vibration
  • auxilary air tank provided seperate from the package (excluding 1HP ~ 2HP products)

Standard Specification of Package Type P-U Oil Free Reciprocating

Model Moter Bore x Stroke No. of Cylinder Piston Displacement Free Air Delivery Max. Working Pressure Air Receiver Tank Volume Air Outlet Dimension Weight
kW(HP) mm - LPM CFM LPM CFM Bar psi(g) Main(ℓ) Sub(ℓ) A(B) LxWxH(mm) kg
AC-P1CA2 0.75(1) 60x50 1 141 4.98 84 3.0 7.0 99.6 25 - 15A (1/2) 960x660x970 118
AC-P2CA2

1.5 (2)

82x50 1 285 10.1 165 5.8 7.0 99.6 25 - 15A (1/2) 960x660x970 130
AC-P3CA2 2.2 (3) 82x50 2 417 14.7 255 9.0 7.0 99.6 25 - 15A (1/2) 960x660x970 155
AC-P5CA2 3.7 (5) 90x60 2 657 23.2 430 15.1 7.0 99.6 25 100 15A (1/2) 1200x710x1030 242
AC-P7.5CA2 5.5 (7.5) 90x60 3 985 34.8 640 22.6 7.0 99.6 25 100 15A (1/2) 1200x710x1030 328
Specifications are subject to change without prior notice due to remodeling of products, etc.