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。
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；
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。
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。
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。
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。
Discussed the pump pressure, installation of the balance valve and the design effectiveness of reversed return water system.
对水泵压力、平衡阀的设置、系统同程设计的有效性等作了初步的讨论。
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。
TUPWR algorithm was adopted for the pump turbine model, SFPUMP for feed pump system, SOVLV for minimal flow valve, and pressure node for calculating the discharge rate of the pump.
给水泵汽轮机模型采用TUPWR算法，给水泵系统采用SFPUMP算法，最小流量阀采用SOVLV算法，泵出口流量的关系采用压力节点进行计算。
Combine a body the pump and the valve, and through pump's by-pass governing, causes the return route pressure to drop to lowly, thus reduces the pipeline and divulging.
将泵和阀组合成一体，并通过泵的旁通控制，使回路压力降至最低，从而减少管路及其泄漏。
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。
From the pump on the lower and closer to the Area is adopted to adjust the shower off valve operating pressure diet.
关于低处和距泵较近的片区则采纳关阀门节食来调整莲蓬头作业压力。
In order to avoid screw pump is damaged, usually installed in the screw pump bypass relief valve outlet to a stable outlet pressure, keep the pump running.
为了避免螺杆泵损坏，一般会在螺杆泵出口处安装旁通溢流阀，用以稳定出口压力，保持泵的正常运转。
The central controller (3) is connected with the steering valve (7), the pressure sensor (2), and the roller rolling pump (4) via control lines (10).
中央控制器(3)与换向阀(7)、压力传感器(2)、滚柱滚压泵(4)分别有控制线(10)连接。
Vacuum partial pressure control system is composed of computer system, vacuum modulation valve and partial pressure pump, of which the valve is one of key parts of the equipment.
真空偏压控制系统由计算机系统、真空调节阀、真空偏压泵等部件构成，其中真空调节阀是设备的关键部件之一。
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。
A control valve, the valve position of which is controlled by the pressure on the slave cylinder side of the pump, is arranged parallel to the pump.
与该泵并联地设置有一个控制阀，该控制阀的阀位置通过该泵的主动缸侧的压力来控制。
The flushing system is composed of flushing nozzle, sluice pump, pipes, valve, pressure gauge and electrical controlling section.
除雾器冲洗系统主要由冲洗喷嘴、冲洗泵、管路、阀门、压力仪表及电气控制部分组成。
TYB series waterflood pressure regulating systems consist of two cylinder four chamber pump body, electro hydraulic reversing valve, control fluid circuit and control current circuit.
TY B系列调压注水装置由双缸四腔泵体、电液换向阀、控制液路及控制电路组成。
The packing gland not skewed, leakage accords with a requirement, inlet valve open since pressure grouting pump, emptying.
盘车轻快自如无卡涩； 填料压盖不偏斜，渗漏符合要求，入口阀打开自压灌泵、排空。
The fracture surface of a failed injection valve nut of diesel engine high pressure oil pump was investigated by visual and SEM.
对断裂的汽车柴油机高压出油阀紧座的宏观、微观断口及显微组织进行了研究。
This setting was constituted by high-pressure lubricator, blowout preventer, injection oily pump, closed gate valve and conversion tie-in.
本装置由高压防喷管、高压防喷盒、高压注脂泵、高压密闭闸门及转换接头等组成。
Application Cavitation, liquid hammer and pressure peak may occur in hydraulic systems with changes in flow velocity, e. g. fast closing of a valve or pump starts and stops.
应用空化，液体铁锤和压力顶峰可能用在流动速度方面的变化在液压系统里发生，例如一阀门或者泵的快关闭起停。
This isocratic system consists of a high pressure solvent delivery pump, an UV/VIS detector, a manual injection valve, and a solvent tray, a column and a Chromatography Workstation.
整套系统由高压输液泵、检测器、进样阀、溶剂托盘、色谱柱、工作站软件等组成；
This paper researches into the quality of the pilot relief valve of a constant pressure pump station. The conclusion reached has been proved in the building of ships.
本文研究了用先导式溢流阀作为恒压油源控制器的性能，所得结论，曾在实船的施工中获得印证。
The pilot unloading valve 5 of the one-way valve can be achieved system-pressure pump and unloading.
由于先导卸荷阀5内的单向阀作用，可以实现系统保压而油泵卸荷。
Gass lift gas lift valve from the ground, the high-pressure gas injection Wells stop the pump, use of gas energy to lift the liquid in the wellbore, the well to restore production capacity.
气举是通过气举阀，从地面将高压气体注入停泵的井中，利用气体的能量举升井筒中液体，使井恢复生产能力。
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。
As there is certain response time for hydraulic valve startup, constant pump has to bear the momentary extremely high pressure impact with a high risk of oil pipe explosion.
液压阀开启有响应时间，定量泵系统启动时，瞬间压力冲击特别大，油管容易爆裂。变量泵启动时只有3mpa左右的待命压力，消除了爆管的隐患。
Gass lift gas lift valve from the ground, the high-pressure gas injection Wells stop the pump, use of gas energy to lift the liquid in the wellbore, the well to restore production capacity.
气举排水采气技术是通过气举阀，从地面将高压天然气注入停喷的井中，利用气体的能量逐级举升井筒中的液体，使井恢复生产能力。
应用推荐