... tire, blowing technology, painting, sandb KA series industrial Piston type air compressor:Especially for thermal design and flow design ... the performance and life index valve is particularly good.Piston ring RIKEN ring, durable, no oil.The crankshaft ... , Power:2.2-22kwTechnical parameter : KA Series Industrial Piston type air compressorNO.TypePowerAir dischargeMax Working pressure SizeHP/kWm3/minMPa ...