... low noise, low fuel consumption KS series industrial Combination Piston type air compressor:Low speed design, operation more quiet, longer life ... running, low noise;The check valve using a new type of composite material, guarantee not to leak;Fan wheel by ... Zhejiang University patented technology, cooling effect.For 16 hours of continuous operationSpecifiaction:1, Discharge pressure: 0.8-1.25MPa2, Air ...