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

主要尺寸表和重量