Atmospheric pressure air compressor not hit on how to do please check the following ways:? 1. Check the power supply voltage is too low for large air compressor brands, electrical power is sufficient air compressor brand ranking, the power cord is too long and cause voltage or supply power is too low. 2, check whether the lost capacity compressor run capacitor brand, or capacity becomes low. 3, check the power cord is connected correctly, the phase line is connected to the ground to the correct position. 4. Check the drain valve is locked. 5. Check the safety valve is calibrated pressure is reached again began venting. 6, princess excuse to check pipelines for leaks. 7. Check Gas Bottle cutting leaks. 8. Check oil filter clogging. 9. Check the inlet filter element is blocked. 10, inside the machine failure. 11, pressure gauge malfunction or are not allowed. 12, the driving force of the belt is loose enough. Air Compressor Manufacturing companies need to know what you know? 1, the number of the registered capital of oil-free air compressor brands, generally require at least more than five times the amount you and his business; 2, if there is a corresponding production license; 3, whether there are compatible with the underlying production testing conditions, such as 250kW compressor requires more than 6 tons of line hanging; production of high pressure motor-driven compressor must be 10kV, 500kW around the test stand; 4, past performance; 5, in the service capabilities and response speed near the place of use; 6, if there is legal disputes; 7, the number of fixed assets, less business investment duration is not guaranteed. Screw air compressor brands, Heze brand air compressor, compressed air provided by the Xianyang Qin Wei Qin Wei Compressor Co., Ltd.. Xianyang Qin Wei Compressor Co. (www.xykyj.cn/) strong, credible, Xianyang in Shaanxi compression, separation equipment industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Qinwei Air into the brilliant and you work for a better future!