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1·Because it is in the hot working environment, gas valve rod shape may be deformed.

由于是在炙热的环境下工作，气阀门杆的外形有可能会变形。

2·A packing sealing structure is arranged between the valve rod and the upper end of the valve body.

在阀杆与阀体的上端部之间设置填料密封结构。

3·Valve rod seal packing can adopt lip shape structure, seal up dependable, Operates moment of force small.

阀杆密封填料可采用唇形结构，密封可靠、操作力矩小。

4·The valve rod (steel 35) is nitrided in the fluid soft nitriding process, the main material being made up of urea.

采用以尿素为主要原料的液体软氨化工艺，对阀杆(35钢)进行了氮化处理。

5·The elastic sealing element can seal the valve rod and the valve seat when pressure in the cooker is started to be increased.

由于阀座下部设有弹性密封件，在压力锅上气后，弹性密封件密封阀杆和阀座。

6·Valve rod with valve lids between bring fall airproof structure, Convenients for valve bring press replacing valve stem packing.

阀杆与阀盖之间带倒密封结构，便于阀门带压更换阀杆填料。

7·Double disc check valve consists of body, disc, valve rod and spring and other parts. The valve is designed with slim light weight.

双瓣止回阀主要由阀体、阀瓣、阀杆及弹簧等重要零件组成，并采用薄型轻巧设计。

8·The utility model provides the a valve rod leakage-proof device of a gland type valve, comprising clamp apparatus and special bolts;

本实用新型提供了一种压盖式阀门的阀杆防漏装置。

9·After the safety device is added on the adjusting valve, the continuous normal work of the adjusting valve can be assured after the valve rod breaks.

调节阀加装了本保安装置后可保证阀杆断裂后调节阀继续正常工作。

10·The pistons are at certain intervals, and are interconnected via a coupled axle; the valve core and a valve rod are connected into an integrative body.

各活塞间相隔一定距离，并通过连轴互相连接，阀芯与阀杆连成一整体。