The utility model relates to a pump valve of a well drilling mud pump.
本实用新型涉及钻井泥浆泵的泵阀。
Both methods demonstrate some delay lag occurring in pump valve movement.
这两类方法得到的结果均说明泵阀运动存在滞后现象。
Drilling pump valve is one of the most important wearing parts of drilling pump.
泵阀是钻井工作过程的直接组成件，也是钻井泵中最重要的易损件之一。
The slide adopts hydraulic overload protecting device, which controlled imported pump valve;
滑块采用液压过载保护装置，进口泵阀控制；
Zhejiang Kaicheng Pump Valve industry please leave a message, we will make a reply within 24 hours.
浙江凯程泵阀请您留言，我们将在24小时内进行回复。
The modified formula represents much more accurately the actual working condition of the pump valve.
修正后的公式可以比较准确地反映泵阀的实际工作情况。
Practice proves the testing accuracy of the displacement and motion Pattem of the drill pump valve me...
实践表明，泵阀位移及运动规律的测试精度能满足理论分析的要求。
Computer simulation shows that the system or software can be used to identify pump valve fault accurately.
计算机模拟识别表明，该系统可较为准确地识别出各泵阀的故障。
Based on the analysis on all kinds of load while the pump valve is working, we establish the corresponding mechanical model.
对泵阀工作时的各种载荷进行了分析，建立了相应的力学模型。
Test shows that the service life of the drill pump valve and liner after carburizing and vanadiumizing are greatly extended.
试验表明，钻井泵泵阀和缸套经增碳-钒化处理后其使用寿命显著延长。
The international famous brand development, the proportion of oil pump valve, solenoid valve, hydraulic parts, hydraulic control function is good.
选用国际知名品牌油研的油泵、比例阀、电磁阀等液压配件，良好的液压功能控制。
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。
It is the key study how to make sure the pressure distribution of liquid in the pump barrel and to study the pump valve-ball's movement to improve the systematic efficiency.
对有杆抽油泵泵阀运动规律的研究和确定抽油泵泵阀筒内液体压力的分布是提高抽油机井系统效率研究的关键性课题。
Pump valve spring fracture is another common typical fault of emulsion pump with high pressure and large discharge which reduces the volumetric efficiency of emulsion pump greatly.
泵阀弹簧断裂是高压大流量乳化液泵的另一种常见典型故障，极大地影响了乳化液泵的容积效率。
The accuracy of traditional spectrum analysis for the diagnosis of reciprocating pump valve is not satisfied for the interference of the noise and the vibration of the adjacent parts.
往复泵泵阀振动信号的常规频谱分析，由于故障特征信息往往被淹没于强大的噪声以及相邻部件的干扰而使诊断精度大打折扣。
The movement of valve of the oil well pump has not been researched perfectly in theory, and the mathematical models used to describing the movement of the oil pump valve are too simple.
目前抽油泵泵阀运动规律的理论研究还很不完善，所采用的数学模型也过于简单。
Based on designed structure, we complete hydraulic end's character of pressure changes in the inner of hydraulic cylinder, suck in common condition, the theory of the pump valve calculation.
根据所设计的结构方案，完成其液力端部分液缸内压力变化特点、正常吸入条件和泵阀计算的相关理论。
Based on the failure analysis of the fracturing pump valve chamber, a model for calculating its reliability under three-dimensional stress is established, and a computing program is worked out.
基于压裂泵阀箱的失效分析，建立了在三向应力作用下计算阀箱可靠性的模型，设计了计算程序。
The pump sucks air out through the valve.
气泵通过阀门把空气抽出去。
7 hr 30 min Even after operators pump water into the primary loop, pressure is still high. The PORV 'backup valve is opened to lower the pressure.
7小时30分钟尽管操作员已将水抽入主回路，但温度仍然很高。减压阀的备用阀门被打开，减少压力。
Well understand water treatment products in terms of performance and price, such as pump, valve, etc.
拥有丰富的水处理产品的性能及价格方面的知识，如泵和阀等。
Alarm, feed valve or pump starter switch actuates just before the burner switch cuts the firing.
警报器，进水阀或泵启动装置开关在燃烧器关闭燃烧之前启动。
Our company is mainly manufacturing to seal and seal of stainless steel pump, valve, flange etc supporting seals the specialized enterprise.
本公司是一家主要生产进行密封及不锈钢泵、阀、法兰等配套密封件的专业企业。
Export pump with check valve, it will immediately turn off to prevent reverse flow back high-pressure water pump.
水泵出口装有逆止阀时，它会立即关闭，防止高压水反向流回水泵。
Press the "Start" button, the pump running, then open the suction valve of the pump.
按下水泵“开”按钮，泵即运转；然后打开泵的吸入阀。
Working principle: piston moves from left to right, form a negative pressure pump cylinder, the liquid tank into the pump by the inhalation valve cylinder.
工作原理：活塞自左向右移动时，泵缸内形成负压，则贮槽内液体经吸入阀进入泵缸内。
High viscosity of the pump outlet pipe also shall set up relief valve or other protective device on the road, so that once the clogging pump export channels, can open the relief valve pressure relief.
高粘度泵的出口管路上还应当设置安全阀等保护装置，这样一旦泵的出口通道发生堵塞，就可以打开安全阀卸压。
Thus, Company a, the smallest of the three, sold the majority of its products to pump and valve manufacturers.
公司A，三个公司中最小的一个，其产品的大多数卖给抽水机和阀厂商。
The system consists of feedwater pump control, adjusting valve level control, safety and alarm devices.
该系统包括给水泵控制、调节阀阀位控制以及安全保护和报警。
One of its more common applications is as a pump by-pass control valve.
这种阀门最主要的应用之一是作为泵的旁路控制阀。
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