Screw compressors and reciprocating compare it does not exist reciprocating inertia force and moment, so high speed, small base, light weight, small vibration, smooth operation; it is not the Pistons pistons and high-frequency vibrations into the exhaust valve, it is part (especially wearing parts) less structure is simple and easy maintenance; at the same time, often many times the exhaust process, so it even gas, pressure pulsation, without providing a large capacity gas storage within each revolution of the rotor cans; but seal between the rotor machining difficult it requires special equipment, and the relative motion of mechanical problems more difficult to satisfactorily resolved; In addition, as high speed, coupled with the working volume and the suction and discharge orifice periodically generated more strongly off aerodynamic noise (of the high frequency noise category) Used red rings air compressor prices, the need to take special measures for noise muffler. Sell ??second-hand air compressor, used drilling rigs, leasing, recycling business, contract various DTH drilling holes works! Shanxi Qishan Compressor Rental Co., Ltd. Shanxi Qishan Compressor Rental Co., Ltd. is a professional to provide you with your second-hand air compressor, hand hole drilling rental, sale of a business. I have hundreds of machines to choose from! In its control of the air compressor with a load - unload valve to control the supply of second-hand red rings air compressor air compressor for sale, since the difference between the duty cycle gas equipment or production process so that gas consumption fluctuates, sometimes It will cause the compressor frequent loading and unloading. After unloading the compressor still operating frequency, not only a waste of energy and increased mechanical wear of equipment, and loading is a sudden process, equipment and power will cause greater impact. So the compressor frequency transformation has improved the motor up and running, reduce mechanical wear and tear of equipment, within a certain range to save energy and other effects. Used red rings air compressor rental compressor _ _ Qishan red rings air compressor used by Shanxi Kisan Compressor Leasing Corporation. Shanxi Kisan Compressor Leasing Co. (www.qskyjzl.com) (www.qskyjzl.com) is Taiyuan, compression, separation equipment leader, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness , the maximum meet customer needs. In Qishan compressor leadership with the staff warmly welcome all inquiries negotiations to create Qishan compressor better future.