... , blowing technology, painting, sandb KA series industrial Piston type air compressor:Especially for thermal design and flow design, the ... valve is particularly good.Piston ring RIKEN ring, durable, no oil.The crankshaft via a high-frequency swim quenching, ... :2.2-22kwTechnical parameter : KA Series Industrial Piston type air compressorNO.TypePowerAir dischargeMax Working pressure SizeHP/kWm3/minMPa(kg ...