薄型气缸是引导活塞在其中进行直线往复运动的圆筒形金属机件。工质在发动机气缸中通过膨胀将热能转化为机械能；气体在压缩机气缸中接受活塞压缩而提高压力。涡轮机、旋转活塞式发动机等的壳体通常也称“气缸”。
| CDQ2B20-5DZ | CDQ2B32-30DZ | CQ2B50F-45DMZ | CDQ2B63-45DZ |
| CDQ2B20-10DZ | CDQ2B32-35DZ | CQ2B50F-50DMZ | CDQ2B63-50DZ |
| CDQ2B20-15DZ | CDQ2B32-40DZ | CQ2B50F-75DMZ | CDQ2B63-75DZ |
| CDQ2B20-20DZ | CDQ2B32-45DZ | CQ2B50F-100DMZ | CDQ2B63-100DZ |
| CDQ2B20-25DZ | CDQ2B32-50DZ | CD | CDQ2A80-5DM |
| CDQ2B20-30DZ | CDQ2A40-5DCZ | CDQ2A50-10DCMZ | CDQ2A80-10DM |
| CDQ2B20-35DZ | CDQ2A40-10DCZ | CDQ2A50-15DCMZ | CDQ2A80-15DM |
| CDQ2B20-40DZ | CDQ2A40-15DCZ | CDQ2A50-20DCMZ | CDQ2A80-20DM |
| CDQ2B20-45DZ | CDQ2A40-20DCZ | CDQ2A50-25DCMZ | CDQ2A80-25DM |
| CDQ2B20-50DZ | CDQ2A40-25DCZ | CDQ2A50-30DCMZ | CDQ2A80-30DM |
| CDQ2B25-5DZ | CDQ2A40-30DCZ | CDQ2A50-35DCMZ | CDQ2A80-35DM |
| CDQ2B25-10DZ | CDQ2A40-35DCZ | CDQ2A50-40DCMZ | CDQ2A80-40DM |
| CDQ2B25-15DZ | CDQ2A40-40DCZ | CDQ2A50-45DCMZ | CDQ2A80-45DM |
| CDQ2B25-20DZ | CDQ2A40-50DCZ | CDQ2A50-50DCMZ | CDQ2A80-50DM |
| CDQ2B25-25DZ | CDQ2A40-75DCZ | CDQ2A50-75DCMZ | CDQ2A80-75DM |
| CDQ2B25-30DZ | CDQ2A40-100DCZ | CDQ2A50-100DCMZ | CDQ2A80-100DM |
| CDQ2B25-35DZ | CQ2B50F-5DMZ | CDQ2B63-5DZ | CDQ2A80-125DM |
| CDQ2B25-40DZ | CQ2B50F-10DMZ | CDQ2B63-10DZ | CDQ2A80-150DM |
| CDQ2B25-45DZ | CQ2B50F-15DMZ | CDQ2B63-15DZ | CDQ2A80-175DM |
| CDQ2B25-50DZ | CQ2B50F-20DMZ | CDQ2B63-20DZ | CDQ2A80-200DM |
| CDQ2B32-5DZ | CQ2B50F-25DMZ | CDQ2B63-25DZ | CDQ2A80-250DM |
| CDQ2B32-15DZ | CQ2B50F-30DMZ | CDQ2B63-30DZ | CDQ2A80-300DM |
| CDQ2B32-20DZ | CQ2B50F-35DMZ | CDQ2B63-35DZ | |
| CDQ2B32-25DZ | CQ2B50F-40DMZ | CD |