淮安消防信号蝶阀 XD371X示意图：

1、消防蝶阀开度指示Degree of opening instruction

2、接线端子Wiring electric terminal 

3. 开向凸轮Openning cam

4、出线口Out of line mouth

5、限位螺钉Spacing screw

6、关向凸轮Closing cam

7、“口”型圈"mouth" mould cirde

8、圆锥销Pins

9、蝶板Butterfly board

10、 阀座密封圈The valve seat se aling-circle

11、转轴Tuming axle .

12、轴套Axle sleeve

13、阀体Valve body

14、 箱罩Chest cover

15、开向微动开关Openning microswitch

16、关向微动开关Closing microswitch

17、蜗杆轴The worm spool

18、蜗杆Worm

19、蜗轮Worm gear

20、箱体Chest body

21、半圆键Semicircle key

淮安消防信号蝶阀 XD371X尺寸图：