日本SMC双向速度控制阀原理：通电时，电磁力把先导孔打开，上腔室压力迅速下降，在关闭件周围形成上低 下高的压差，流体压力推动关闭件向上移动，阀门打开；断电时，弹簧力把先导孔关闭，入口压力通过旁通孔 迅速腔室在关阀件周围形成下低上高的压差，流体压力推动关闭件向下移动，关闭阀门。
SMC双向速度控制阀ASP430F-02-06S 产品型号 ASD530FG-02-06S ASD530FG-02-08S ASD530FG-02-10S ASD530FG-02-12S ASD530FG-03-06S ASD530FG-03-08S ASD530FG-03-10S ASD530FG-03-12S ASD630F-04-10S ASD630F-04-10SK ASD630F-04-12S ASD630FG-04-10S ASD630FG-04-12S ASP330F-F01-06S ASP330F-01-06S ASP330F-01-08S ASP430F-N02-09S ASP430F-02-06S ASP430F-02-08S ASP530F-F03-08S ASP530F-F03-10S ASP530F-N03-10S ASP530F-03-08S ASP530F-03-10S ASP630F-N04-10S ASP630F-N04-12S ASP630F-04-10S ASP630F-04-12S ASQ100-01 ASQ300-02 ASQ300-03 ASQ430F-02-06S ASQ430F-02-08S ASQ430F-02-10S ASQ430F0206SF20 ASQ430F0208SF20 ASQ430F0210SF20 ASQ500-04 ASQ530F-02-06S ASQ530F-02-08S ASQ530F-02-10S ASQ530F-02-12S ASQ530F-03-06S ASQ530F-03-08S ASQ530F-03-10S ASQ530F-03-12S ASQ630F-03-10S
ASQ630F-04-12S ASR100-01 ASR100-01-M ASR100-01-X ASR300-02 ASR300-03 ASR430F-02-06S ASR430F-02-08S ASR430F-02-10S ASR430F0206SF20 ASR430F0208SF20 ASR430F0210SF20 ASR500-04 ASR530F-02-06S ASR530F-02-08S ASR530F-02-10S ASR530F-02-12S ASR530F-03-06S ASR530F-03-08S ASR530F-03-10S ASR530F-03-12S ASR530F0206SF20 ASR530F0208SF20 ASR530F0210SF20 ASR530F0212SF20 ASR530F0306SF20 ASR530F0308SF20 ASR530F0310SF20 ASR530F0312SF20 ASR630F-03-10S ASR630F-03-12S ASR630F-04-10S ASR630F-04-12S ASR630F0310SF20 ASR630F0312SF20 ASR630F0410SF20 ASR630F0412SF20 ASS100-01 ASS110-01 ASS300-02 ASS300-03 ASS310-02 ASS310-03 ASS3301F-0310SD ASS500-04 ASS500-06 ASV120F-M3-04 ASV220F-M5-04 ASV220F-M5-06 ASV310F-01-06