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。
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。
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。
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。
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。
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。
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。
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。
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。
These results show that the vibration of control valve rod depends on if its frequency and one of dynamic pressure pulse is same but not the magnitude of pulse value.
测试结果表明，调节阀处于不稳定工作状态即阀杆振动工况取决于脉动压力与阀杆固频率是否同频，并非其脉动压力值大小；
The present regulating valve core isn't provided with the safety device; the valve is closed by the valve core after a valve rod breaks, causing that the production stops.
现有的调节阀芯无保安装置，阀杆断裂后阀芯将关闭阀门，使生产中断。
The utility model relates to a single-action two-way equalizing valve, comprising a valve body, a valve plug, a valve rod, a pressing cover, a compensating cushion ring, etc.
本实用新型是一种单动双通平衡阀，由阀体、阀塞、阀杆、压盖、补偿垫圈等组成。
The device and the plant have simple structures and high efficiency; the valve rod processed by the device effectively prevents leakage and prolongs the service life of the valve.
本装置和设备结构简单，效率高，经该设备加工的阀杆，有效地防止了泄漏，延长了阀门的使用寿命。
A valve body is connected with a tower cover through soft seal, and pressed by a bracket through a bolt. The valve rod, the tower cover and a gland are pressed and sealed by filler.
阀杆、塔型盖、格兰通过填料压紧密封，阀杆与执行机构通过固定于支架上的推力螺母实现上下运动。
The influence of the parameters of the valve(in particular the spring rigidity of the valve rod) on flow-dividing accuracy is analysed in the rate of self-regulation and the steady-state error.
从快速性和稳态误差二个方面，分析了元件参数（特别是阀芯定位弹簧刚度）对分流精度的影响。
When the discharge pressure keeps constant, the relationship between displacement of valve rod and suction pressure, wobble plate case pressure, flow rate through control valve have been obtained.
研究结果得出了当排气压力恒定时，阀杆位移同吸气压力、摇板箱压力以及控制阀流量的稳态特性关系。
Returning the lever to its normal position releases the tension on the rod permitting the valve to maintain normal system pressure.
将手柄恢复到正常位置，则“压杆”上的压力就得到缓解，使得调节阀能够保持正常的系统压力。
The pump valve has a structure of semi-spheric plunger with guide rod, and its seat and ball are aligned by means of a spring, and it is opened and closed in time.
泵阀件采用带导向杆的半球形柱塞结构，弹簧制动，精确控制阀球与阀座对中，启闭动作及时。
To avoid these two kinds of noise, the paper gived some requirements to the internal structure design of shock absorber, such as piston valve system, bottom valve system, piston rod etc.
为降低或消除这两种减振器噪声，提出了对减振器内部结构如活塞阀系统、底阀系统以及活塞杆等的设计要求。
The torque control valve of hydraulic tong is developed to protect the scrws of tube and suck rod from being damaged or deformed caused by over tightness.
液压油管钳扭矩控制阀用于油管和抽油杆上螺纹时控制其扭矩值 ，以免扭矩过大而损坏螺纹或造成本体变形。
The manual withdrawal device realizes the withdrawal and discharging on the withdrawal objects by driving the bottom frame and the blow off valve to move up and down through the pull rod.
本实用新型通过拉杆带动底阀、排空阀的上、下运动，实现对抽取对象的抽取排出。
Through the introduction of the internal structure of sliding valve in screw rod compressor, the methods of dealing with the problems in controlling the energy level of compressor were indicated.
通过介绍螺杆压缩机的滑阀的内部结构，处理压缩机能级控制出现的问题。
Based on the simulation model a simulation piston gap, at the end of the valve, the piston rod and sealing ring gap of oil leakage caused by the shock absorber failure.
常见的减振器的泄漏形式主要有活塞磨损、底阀密封失效、导向座及密封组件失效等。
Each gas regulator includes a sealable valve that defines an input and an output, with each valve including a piston having a cylinder and a rod.
每个气体调节器包括可密封阀，所述阀限定输入和输出，且每个阀包括具有活塞缸和活塞杆的活塞。
When the wax melts, it expands significantly, pushing the rod out of the cylinder and opening the valve.
当蜡融化时，它急剧膨胀，将杆推出气缸，开启阀门。
After the ball valve seat wear and tear, can be a ball into the seat, and with the rod lightly tapping ball several times, until the valve with the valve seat up close together.
球形阀阀座磨损后，可用一钢球放到阀座上，用金属棒轻轻敲击钢球数次，直到球阀与阀座密合为止。
After the ball valve seat wear and tear, can be a ball into the seat, and with the rod lightly tapping ball several times, until the valve with the valve seat up close together.
球形阀阀座磨损后，可用一钢球放到阀座上，用金属棒轻轻敲击钢球数次，直到球阀与阀座密合为止。
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