活塞式空压机有多种结构形式。按气缸的配置方式分有立式、卧式、角度式、对称平衡式和对置式几种。按压缩级数可分为单级式、双级式和多级式三种。按设置方式可分为移动式和固定式两种。按控制方式可分为卸荷式和压力开关式两种。其中，卸荷式控制方式是指当储气罐内的压力达到调定值时，空压机不停止运转而通过打开安全阀进行不压缩运转。流水槽钢模具 不锈钢铸件 扭王字块模具 井盖钢模具 标志桩模具 调匝式消弧线圈 风冷控制柜 烤漆龙骨这种空转状态称为卸荷运转。而压力开关式控制方式是指当储气罐内的压力达到调定值时，空压机自动停止运转。
Piston air compressor has many kinds of structure. According to the configuration of the cylinder, there are vertical type, horizontal type, angle type, symmetrical balance type and opposite type. According to the compression series, it can be divided into three types: single-stage type, double-stage type and multi-stage type. According to the setting mode, it can be divided into mobile type and fixed type. According to the control mode, it can be divided into unloading type and pressure switch type. Among them, unloading control means that when the pressure in the air storage tank reaches the set value, the air compressor does not stop running but does not compress running by opening the safety valve. This idling state is called unloading operation. The pressure switch control mode means that when the pressure in the air tank reaches the set value, the air compressor automatically stops running.