管道除砂器在进行清砂除砂时，需开启旁通系统。旁通系统可在工厂制作，这就是管道除砂器橇。其型号标注为在对应的管道除砂器型号前加“Q”表示。如QCS-320,即表示为公称压力32MPa的管道除砂器橇。

Pipeline desander in clear sand sand removal, need to open the bypass system. Bypass system can be manufactured in a factory, which is the pipeline desander skid. Said the model marked in the correspondingpipeline desander model before the "Q". Such as QCS-320, which is expressed as a nominal pressure of 32MPapipeline desander skid.