阀芯为一只或多只流量控制筒。
加强水平和垂直度监控，控制筒身倾斜及扭转；加强出模混凝土的收光和养护，保证出模混凝土的质量。
By monitoring the level and vertical degree, and controlling the tube not to slope and rotate, it guarantees the quality of the concrete out of formwork in terms of the maintenance.
根据不同工况，旋筒阀选用不同的控制元件，可以分类如下。
According to different working conditions, rotary cylinder valve selection of different control components, can be classified as follows.
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