SY-YTDZ-RS50-TFD50,SY-YTDZ-RS50-TFD65,SY-YTDZ-RS100-TFD80,SY-YTDZ-RS100-TFD100,SY-YTDZ-RS200-TFD125,SY-YTDZ-RS200-TFD150
SY-YTDZ-RS400-TFD200,SY-YTDZ-RS600-TFD250,SY-YTDZ-RS1000-TFD300,SY-YTDZ-RS1600-TFD350,SY-YTDZ-RS2500-TFD400,SY-YTDZ-RS2500-TFD450
SY-YTDZ-RS30-TFD25,SY-YTDZ-RS30-TFD32,SY-YTDZ-RS30-TFD40,YTDZ-RS智能電動調節蝶閥