... t test the discharging air pulsation. 1. Low noise, due to the helical suction and discharge, the blower air flow in and out according ... adopts special curve which makes the mesh more reasonable. Low leakage, low energy cost, it is absolutely an new energy-saving product.6 ... cover,Blower Pulley,Motor Pulley,V-belt,Inlet Silencer(with air filter),Safety Valve,Pressure Gauge,Lubricating Oil,Anchor Bolt. ...