03Product Line
YPR is manufacturing various types of cast iron piston rings, stainless steel oil rings, cylinder liners, valve guides and camshafts
AIR COMPRESSOR
Air Compressor is to generate compressed air for the use of vehicle facilities such as brake, air suspension and door. The temperature of the compressed air and its durability are important factors. The oil consumption should be strictly controlled not to affect its durability, life time and performance.

Characteristics of YPR Air Compressors
With YPR's 40 years experiences producing Piston rings, Cylinder Liners and Pistons, YPR takes advantages of unique technology such as Tribology and Seal & Oil Control in the reciprocating engines for productivity and competitiveness.

Air Compressor Technology
01
Reliability and Quality Target
- Improvement in durability and reduction of oil consumption applying unique Piston Ring pack.
- Improvement in wear resistance applying Cylinders with special material.
- Light Weight by using light Crank Case applying LSVAC(Loose Sand Vacuum Assisted counter-gravity Casting)
- Computer Aided Design
- Calculation of CrankShaft revolutions and Piston reciprocation Balance.
- Temperature decrease of delivered air by analysis of Valve Seat cooling water.
02
Test & Development equip.

Durability and Oil Consumption test
This equipment enables YPR to evaluate Design of developed Air Compressors by checking the durability and oil consumption from development to mass production stage.
YPR Air Compressors
01
Foot Mounting

Air Cooling System (213cc/rev)Water Cooling System (300cc/rev) 02
Flange Mounting

Water Cooling System (213cc/rev)Water Cooling System (425cc/rev) 
Water Cooling (440cc/rev, 2 cylinder type)
