查询词典 pressure valve

Computational fluid dynamics methods were applied to obtain the static velocity distributions in the main stage channel of the valve with different structure parameters or different pressure and flow rate.

应用流场数值模拟技术，在不同结构参数、压力、流量等条件下，对先导式纯水溢流阀主阀流道内的流场流态进行动态仿真。

To guarantee the color not being contaminated, the automatic clean system was devised based on compressed air or negative pressure. To guarantee the continuity and stability of the supplyinking system, the automatic supplyinking system based on electromagnetic valve and liquid level switch was proposed. To guarantee the continuity and stability of the movement of printed head, velocity blending algorithm was proposed.

采用了基于负压空气为动力的自动清洗系统，以防止颜色不交叉污染；采用基于电磁阀与液位开关控制的自动供墨系统，保证了供墨的连续性和稳定性；采用基于速度矢量混合的加减速算法，保证了喷头移动的平稳和连续。

Operation analysis and investigation show that it is caused by the inappropriate design of hot vapor bypass control system, so the revamping has been carried out as follows: The diameter of hot vapor bypass pipeline has been enlarged from DN 40 mm to 80 mm, and the pressure difference of hot vapor bypass adjusting valve decreased from 50 kPa to 35 kPa; A vent pipeline for non-condensable gas fro.

改造的措施主要有：增大了热旁路管道的直径(由DN40mm增大到DN80mm)，并降低了热旁路调节阀的压差取值(由50kPa降低到35kPa)；增设一条自冷凝器壳程出口至回流罐的不凝气放空管道；对脱丁烷塔分程控制系统进行了改造，即将调节器输出信号的0-45%，55%%-100%分别用于控制热旁路调节阀和放空阀。

Primary role is to examine the wrench valve flap degree of flexibility, and sometimes can also be used manually with an emergency pressure relief.

扳手的作用主要是检查阀瓣的灵活程度，有时也可以用作手动紧急泄压用。

For accelerating the development in China, Invensys Controls has set up an APAC headquarters in Shanghai. At the same time, there are two wholly-owned subsidiaries under Invensys Controls: Invensys Controls Qingdao and Invensys Controls Weihai. They are the professional manufacturers for Temperature Controller for Refrigeration, Defrost Timer and Electronics Controller; Power Modulator for Kitchen; Electronical and Mechanical Controller for Cloth Washer and Dish Washer, Water Valve, Electronics Controller and Pressure Switch, etc.

为推动中国市场的发展，英维思控制系统将亚太区的总部设在上海，同时，控制系统中国区下属的两家独资企业：英维思控制器有限公司和威海英维思控制器有限公司，分别专业化生产冰箱、冰柜用温控器、化霜定时器和电子控制器；厨具用能量调节器；洗衣机、洗碗机用机电程控器、水阀、电子控制器和压力开关等产品。

Fluid mechanics from the point of view, the valve is a local resistance can change the expenditure components, namely, cutting expenditure by changing the area so that the velocity of the fluid and kinetic energy changes, resulting in different pressure loss and thus achieve the purpose of decompression.

从流体力学的观点看，减压阀是一个局部阻力可以变化的节流元件，即通过改变节流面积，使流速及流体的动能改变，造成不同的压力损失，从而达到减压的目的。

Why cut off the angle valve pressure class travel more?

五、为什么角行程类阀的切断压差较大？

Five, why cut off the angle valve pressure class travel more?

五、为什么角行程类阀的切断压差较大？

Why cut off the angle valve pressure class travel more?

为什么角行程类阀的切断压差较大？

Because there is less gas pressure exerted on the valve stem.

在单级减压阀里，输出压力随钢瓶压力的减小而增大，这是因为施加在阀门系统上的气体压力减

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。