查询词典 valve seat

2 For the low-pressure seal test and high pressure sealing test, does not allow visible leak through the valve flap, the back seat and shaft seal, there is no structural damage (elastic seat and seal surface deformation is not considered as structural damage).

3.9.2对于低压密封试验和高压密封试验，不允许有明显可见的泄漏通过阀瓣、阀座背面和轴密封，并无结构上的损坏(弹性阀座和密封面的塑性变形不作为结构上的损坏考虑)。

In the valve, the valve disc and seat are usually designed based on the plunger principle.

在该阀门中，阀瓣和阀座通常是基于柱塞原理设计的。

Valve in the instrument, the valve disc and seat are usually designed based on the plunger principle.

在该仪表阀门中，阀瓣和阀座通常是基于柱塞原理设计的。

When the single-seat valve is less stable, the replacement valve into the sleeve stability will be improved.

当单、双座阀稳定性较差时，更换成套筒阀稳定性一定会得到提高。

Why single sleeve valve replacement, the two-seat valve has failed to do?

为什么套筒阀代替单、双座阀却没有如愿以偿？

Years came sleeve valve, 70 years large-scale use at home and abroad, and 80 years the introduction of the sleeve valve petrochemical plant accounted for a larger proportion of that time, many people think that the sleeve valve can replace a single, two-seat valve , to become the second-generation product.

60年代问世的套筒阀，70年代在国内外大量使用，80年代引进的石化装置中套筒阀占的比率较大，那时，不少人认为，套筒阀可以取代单、双座阀，成为第二代产品。

Why replace the single sleeve valve, two-seat valve has not got his wish?

为什么套筒阀代替单、双座阀却没有如愿以偿？

4 Components in the guide ring seat surface, and to maintain stem vertically in a clean work surface; 4.5 Lubrication and installed on top of the spring washer bearings and bearing connecting rings, and lubricating the bottom of the spring washers, valve cover and gasket components will be placed in position inside the valve cover; 4.6 will regulate the bolt lock nut bolt screw to adjust the top.

4.4 将组件座于导环面上，并保持阀杆垂直地处于清洁的工作面上； 4.5 润滑并在顶部弹簧垫圈上安装轴承和轴承连接环，和润滑底部弹簧垫圈，将阀盖及垫圈组件放在阀盖内的位置上； 4.6 将调节螺栓锁紧螺母拧到调节螺栓的顶部。

After extended operation, if leakage should occur at the top bearing or across the valve disk of either the Model-B or Model-C valve, this is an indication of wear to the elastomeric seat and/or O-ring seals, requiring their replacement. In most cases, valve replacement will be found less expensive than parts replacement.

在进行操作后，如果泄露出现在型号B或型号C阀门的顶部轴承或阀门阀瓣上，则表明弹性材料阀座和/或O形环密封出现磨损，这时就需要进行更换。

The standard straight trip valve leakage rate is usually 10 ~ 10; full-featured ultra-light control valve standard3-WAY 4-WAY PLUG VALVE leakage rate of 10 than the single-seat valves Sleeve Valve 100 ~ 1000 times higher.

直行程阀标准泄漏率通常为10～10；全功能超轻型调节阀标准泄漏率为10，比单双座阀(_bi3 dan1 shuang1 zuo4 fa2)、套筒阀高100～1000倍。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。