In order to water pump suction pipe, memory, import needs bottom valve pump working, bottom valve caused great losses.
为了在泵内存水，吸入管进口需要装底阀，泵工作时，底阀造成很大的水力损失。
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。
Reduced air pipe and valve must be foreseen into the Cargo Pump Room. The position and arrangement will be determined together.
必须提前考虑在泵舱布置压缩空气管及服务阀门，位置及布置将由双方共同决定。
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。
The press takes use of advanced two-way cartridge valve system and imported electric pump technology which can realize double closed loop control of pressure and flow rate.
液压系统采用了先进的二通插装阀系统、进口高性能的电子泵技术，实现了主缸压力与流量的双闭环控制；
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。
Then the controller opens the solenoid valve and starts the pump pressure, the water will be closed after the two will be closed.
这时控制器打开电磁阀并启动水泵加压，待水上满后两者将会同时关闭。
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。
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。
When the pump is going to stop, first press the stop button (Red), then close the water intake valves and the discharge valve.
停泵时先按下电控箱上泵的停止按钮(红色)，泵停止运转后，关闭管路上的进水阀和排出阀。
In addition, it should be considered for cutlery, needle valves, ball check valves, valve seats, pump parts, ball studs, bushings, and wear-resistant textile components.
首选应用是轴承结构，包括滚珠和轴套。还有，它也能用来做刀具、针形阀、球型止回阀、阀门基座、泵零件、球头螺栓、轴套、抗磨损纺织机械。
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。
The relief valve and the pipeline are both important components of the hydraulic system, and that system including of relief valve and pipeline and constant pump is the basic loop of it.
溢流阀和管道都是液压系统的重要元件，而溢流阀、管道和定量泵组成的系统又是液压系统的基本回路。
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。
This article designed a displacement setting mechanism by the fixed quantity of valve model radial column piston as base pump.
以阀式径向柱塞定量泵为基泵设计了控制进油阻力的变量机构。
How it works: the piston moves from left to right, form a negative pressure pump cylinder, then the suction tank fluid through the valve into the pump 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 pump can match the relief valve, when the pump and piping system overpressure, safety valve is opened, the formation of internal reflux, ensure the safety of the system.
高粘度泵可配安全阀，当泵或管路系统超压时，安全阀门打开，形成内部回流，保证系统安全。
Close the door distribution discharge valve and, if cut-off valve is opened, pumping water to the piston from the pipeline until the pump output.
关闭分配阀卸料门，如有截止阀则打开，泵送清水至活塞从输送管输出端泵出为止。
You should also install the check valve as far from the pump as possible and at a minimum length of 5 times the pipe diameter.
止回阀应该安装在离泵尽可能远，或至少5倍管道直径的的位置。
For ventilation of pumps the valve should be mounted adjacent to the pump outlet.
对于泵通风阀应安装毗邻泵出口。
Pump and valve itself can be installed to reduce the cycle circuit pressure to improve their performance.
而且泵本身安装阀可降低回路的循环压力，提高其工作性能。
And single screw pump in the pump itself cannot set the relief valve, can only be set up in line, increase the investment of equipment cost and installation cost.
而单螺杆泵在泵本身不能设置安全阀，只能在管路中设置，提高了设备投入成本和安装成本。
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。
Check valve and relief valve on the output of the gear pump tube had better install a check valve.
止回阀与安全阀在齿轮泵的输出管路上最好安装一个止回阀。
The relief valve can be cast and pump body and pump cover, also can separate assembly.
安全阀可以与泵体或泵盖铸成一体，也可以单独装配。
According to the consumed amount of oil of the valve and pump as well as the main engine, the dynamic pipe system is designed with PLC in this paper.
应用可编程控制器技术，根据轮机模拟器图解板上的各阀、泵以及主机耗油量的大小，对流动光带进行了有效的动态显示。
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。
The assembling, actuating, water-tight test of pump-turbine globe valve and its quality control are introduced.
介绍了抽水蓄能水轮机球阀装配、动作及密封漏水试验工艺性与质量控制。
The assembling, actuating, water-tight test of pump-turbine globe valve and its quality control are introduced.
介绍了抽水蓄能水轮机球阀装配、动作及密封漏水试验工艺性与质量控制。
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