Main production butterfly valve, ball valve, emptying valve, balance valve, gate valve, flat gate valve, plunger valve, hydraulic control valve, power station valve, such as various types of valves and liquid level instrumentation products.
主要生产蝶阀、球阀、放空阀、平衡阀、闸阀、平板闸阀、柱塞阀、水力控制阀、电站阀门等各大类阀门产品及液位仪表。
As one of the key components of water hydraulic system, water relief valve plays an important role in water hydraulic system.
纯水溢流阀是纯水液压系统的关键部件之一，其性能对纯水液压系统的性能有重要的影响。
The new control valve Safety valves particularly suitable for hydraulic manifold block size limited occasions.
这种新型调速阀尤其适用于液压系统集成块尺寸受限制的场合。
First of all, in theory the valve, the flow of hydraulic engineering analysis and manipulation institutions, the calculated valve into the fluid resistance to the loss of Oil.
首先在理论上对该阀进行了流道液压工程学分析，建立该液压系统的数学模型，计算出该阀进回液油路的液阻损失的理论值。
When the hydraulic system up to the tip is set higher than the pressure relief valve, the relief valve on top of the ball was opened by the oil relief valve to the tank platoon.
当系统中的油压升高到梢高于溢流阀的调定压力时，溢流阀上的钢球被顶开，油液经溢流阀排回油箱。
Again, the hydraulic oil must first open the hydraulic valve, and because low oil pressure relief valve spring chamber, pressure reducing valve to be lifted, I was off valve is small, the flow through very small.
再次启动时，液压油必须首先打开液动换向阀，同时由于减压阀弹簧腔油压很低，减压阀被抬起，阀口被关小，通过的流量很小。
Spool valve with notches is one of the basic constructions of hydraulic valve, which places several notches axisymmetrically on the spool to form the restriction configuration.
节流槽滑阀是液压阀的基本结构形式之一，其阀口是在阀心凸肩上均布若干不同形状的节流槽，用于获得不同的流量控制特性。
In hydraulic synchronizing lifting technology for oversize structure, computer-output PWM signal as the input current of proportional valve is used to control the velocity of hydraulic cylinder.
文摘：在大型构件液压同步提升技术中，采用了计算机输出的脉宽调制信号作为电液比例流量阀的输入电流信号控制液压提升器的速度。
And various brands burner accessories, such as: pumps, controllers, Youzui, hydraulic table, photodiodes, ignition electrodes, ignition transformers, solenoid valves, servo motors, gas valve block, and so on, the market low.
及各种品牌燃烧器配件，如：油泵、控制器、油嘴、油压表、光敏管、点火电极、点火变压器、电磁阀、伺服马达、燃气阀组等，市场最低价。
The valve is the ideal equipment to control flow and cut off quickly, which is equipped with driving device such as electric, pneumatic, electric-hydraulic draw stem.
该闸门配备电动、气动、电液动推杆作为驱动装置，是控制流量大小，切断迅速的理想设备。
Now has a small batch direct-action electro-hydraulic servo valve capacity.
目前已具备小批量生产直动式电液伺服阀的能力。
Control system uses a separate oil pump foreign controlled electro-hydraulic valve, the system has higher sensitivity and accuracy.
控制系统采用单独泵供油的外控式电液换向阀，使得系统具有更高的灵敏性和精确度。
When the valve moved to the left position, the pump output pressure of the oil into the auxiliary hydraulic cylinder, platen up one-way hydraulic control valve upstream oil line was opened, the main hydraulic cylinder oil return check valve controlled by the liquid flow back into the top of the tank.
当换向阀移到左位时，泵输出的压力油流入辅助液压缸，压板上升，液控单向阀逆流油路被打开，主液压缸的回油经液控单向阀流回上方的油箱。
Electro-hydraulic valve of the performance test in scientific research and engineering practice, has a very important significance.
电液比例阀的性能测试在科学研究和工程实践中，有着极为重要的意义。
Integrated analysis on design theory and control mode of robot manipulators hydraulic driven system at home and abroad have been made in detail, then a new robot manipulators hydraulic driven system based on high-speed on-off valve pilot control is proposed in this paper.
本文在对国内外现有的机械臂液压驱动系统设计理论和控制方式进行了综合分析后，研究了基于高速开关阀先导控制的新型机械臂液压驱动系统。
PWM automatic gun aiming control system be formed of electric control unit, high-speed on-off valve group and hydraulic motor.
由高速开关阀组成的PWM液压控制系统是实现数字液压的一个重要方向。
Emergency shutdown valve is in a kind of hydraulic control valve.
紧急关闭阀是水力控制阀中的一种。
DEPRESSURIZATION VALVE, A valve in the hydraulic system for decreasing hydraulic reservoir air pressure to ambient pressure.
减压阀，在液压系统中，将液压油箱空气压力减至与周围环境压力相同的活门。
The special hydraulic valve taking the place of the stopper for gas pipe has improved the efficiency, decreased the intensity and danger in the operation of gas.
在煤气管道上安装液压翻板阀，通过操作翻板代替人工抽堵盲板作业可以提高工作效率，降低劳动强度和作业危险性。
In this paper, the dynamic behavior and global stability of a hydraulic servo system subjected to solid friction, mass of load, valve port width, under lap have been studied by digital simulation. Stick-slip vibrations and multiple structure of stability in a hydraulic servo system are revealed.
利用数字仿真方法，重点分析了油压伺服系统中固体摩擦、负载质量、阀中位开口量及阀口周向长度对系统广域稳定性的影响，揭示了油压伺服系统中存在的歇动现象和多重稳定构造问题。