2026-04-09Views：
There are significant differences between screw air compressors and piston air compressors in terms of structure, performance, equipment management and noise.
Structure: The screw air compressor is a box-type mechanism, which is easy to install and does not require redundant parts, and can be moved and handled flexibly. The piston type air compressor needs cement to do the foundation, for the large airless machine, also need to establish the water circulation system, the installation cost is relatively high.
Performance: The screw air compressor has good balance in operation, and the motor running frequency is low, which will not cause excessive energy loss. The piston air compressor has high air tightness and wide pressure coverage. However, due to technical reasons, the pressure and air flow may be unstable, and the energy consumption in actual operation may exceed the technical parameters.
Equipment management: The screw air compressor is started by a frequency converter, and the power rises steadily during loading, and the machine will not be impacted by current. The maintenance is relatively simple, and the equipment parts only need to be replaced on time. The degree of automation of the piston air compressor is low, and there are many components. Continuous operation is easy to cause wear, so the maintenance cost is high.
Noise: The screw air compressor is a rotary operation, using frequency conversion adjustment operation, the motor does not need frequent unloading operation, so the noise generated is low. The piston air compressor is reciprocating, the starting current is large, high-frequency operation and inertial force will cause greater noise.
In summary, screw air compressors and piston air compressors have obvious differences in structure, performance, equipment management and noise. The specific choice of which type of air compressor depends on the actual needs and application scenarios.
Granklin oil-free air compressor is suitable for nitrogen pressurization and oxygen pressurization, and has been widely praised in the chemical, medical and food industries. Oil-free air compressor is divided according to whether compressed air contains oil or not, corresponding to oil air compressor or micro-oil air compressor.
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Answer: A few kilograms of air compressor value "bar",1bar is equal to 0.1MPa, the most circulating on the market is 8kg pressure screw air compressor.
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