In this article, the working mechanism, structure and advantages of the mechanical valve automatic control device were introduced.
本文叙述了阀门自动控制装置的工作原理、结构特点以及装置的优点。
Residents are forbidden to use water to wash down paths and pavements, or to use a hose without an automatic shut-off valve.
禁止居民用水清洗道路和人行道，或使用没有自动断阀装置的水龙头。
Swing-type check off er the least pressure drop and offer simple automatic closure; when fluid flow stops gravity and flow reversal closes valve.
旋启式止回阀压降最小，能够完全自动关闭，即在介质流动停止、重力和介质倒流的状态下自动关闭阀门。
Applied to Automatic Control Valves the exhaust pipe auto exhaust valve should be installed on top of the water cycle, the gas readily forms place.
运用于管道排气的自动排气阀应安装在热水循环的顶端，气体容易堆积的地方。
Each hot water storage heater shall be equipped with an automatic temperature and pressure relief valve to protect the heater from excessive pressure and excessive temperature.
每个容积式热水器都应该配置一个自动温度压力安全阀，保护热水器不会压力太大和温度过高。
Finally, as an applied example, the paper introduces the general design of multi-locations automatic cleaning line for valve parts as well as its mechanical structure and functions.
作为应用实例，介绍了阀类零件多工位自动清洗线的总体设计和机械结构及功能。
Students check the automatic drain valve of the front end of the valve is open.
检查自动排水阀前端之球阀是否打开。
A manual or automatic, conical needle in a seat valve that can be changed to alter the amount of fluid flow through it.
在座阀中的一个手动或自动的锥形针状体。对它进行调节就可改变流过的流体的流量。
Charging test and safety valve and automatic device adjusting for main compressor (auxiliary compressor).
主气压缩机的充气试验、全阀和自动装置的调整。
HART institutions: automatic control under normal circumstances you can not manually open and close the valve.
手操机构：自动控制在不正常情况下可以手动操作阀门的启闭。
The valve leakage automatic inspection device was introduced, including its structure, the principle and test method.
介绍了阀门泄漏量自动检测装置的结构、工作原理及测试方法。
This valve is welded in fine steel, having the features of handy to operate, good seal, reliable performance and having the function of automatic air-locking dropping material.
采用优质钢材焊接而成，运行灵活、密闭性好、性能可靠，具有自动锁风落料的功效。
The design and lectotype of circulating pump, automatic return water switch valve, expansion tank and atmospheric connection pipe in atmospheric hot water heating boiler room are discussed.
对常压热水供热锅炉房的循环泵、回水自动启闭阀、膨胀水箱、大气连通管的设计选型进行了探讨。
Using the on off sensor that fixed on the load side line of electric equipment to control electric magnetic valve, then carry on remote control and realize automatic sprinkling of spray device.
利用固定在电气设备负荷侧线路上的开停传感器控制电磁阀开关，进行远距离控制，实现喷雾装置的自动洒水。
The article mainly introduces the FRONIUS TIG process and ETR automatic cladding equipment which are applied in the production of valve.
重点介绍了Fronius热丝TIG焊工艺和ETR全自动堆焊设备在阀门堆焊制造上的应用。
Note automatic leak control arm cylinder valve and locked balance valve.
说明内泄出自动臂缸的控制阀及锁死平衡阀。
First: to act as an automatic non-return valve by preventing a backflow of steam from the main steam header to the boiler.
首先，能过作为一个自动逆止阀，防止蒸汽从主蒸汽加热器上倒流到锅炉里。
The invention discloses a different-pressure automatic shuttle valve, comprising valve body, through end cover, valve core ball, spring seat, spring, inlet end, outlet port .
本发明公开了一种压差式自动关闭阀，该阀包括阀体、通端盖、阀芯球、弹簧座、弹簧、进口端、出口端；
Introduces technical characteristics, structure and working principle of oil automatic cut off drainage valve, discusses the application of the valve in oil tanker areas.
介绍自动截油排水阀的技术特点、结构和工作原理，探讨该阀在油品罐区中的应用。
Automatic test valve and the valve should be automated production line phase, but also the required testing time.
阀门自动测试应该与阀门自动生产线相接，而且要求在规定的时间内完成检测工作。
An automatic brake valve surface defect detection system based on the image processing technology has been developed.
开发了一种基于图像处理技术的制动阀表面缺陷自动检测系统。
This article introduced that we confronted many problems when home-making automatic valve port packager for PVC paste resin and how to solve them.
介绍PVC糊树脂阀口自动包装机国产化过程中遇到的问题以及解决方法。
The automatic separation system of injector valve and orifice has low cost, high separation accuracy, high separation speed and easy operation.
本课题研究的自动分选系统价格低廉，分选精度高，测量速度快，操作简单，性价比高。
The reason why the automatic exhaust valve failed to be used for air exhaust from siphon tube was investigated.
对自动排气阀不能用于虹吸管排气的理由进行了分析。
Drum with stainless steel AISI 316 filtering cloth and trough with automatic feed valve controlled by a level control device.
鼓与不锈钢AISI 316过滤的布料和低谷与自动饲料阀门由一个平实控制设备控制。
The feasibility was discussed for the use of Venturi tube and automatic exhaust valve for expelling air from siphon tube.
探讨了虹吸管利用文氏管及自动排气阀排气的可行性。
Main equipment: pre-heater, evaporator, condenser, sugar meter, vacuum system, temperature control, liquid level control, valve fittings, automatic electrical control system;
主要设备：预热器、蒸发器、冷凝器、糖度仪、真空系统、温度控制、液位控制、阀门管件、自动电气控制系统；
This paper describes the design and application of automatic plunge grinding device for M1080 centerless grinders, assuring the process accuracy of engine valve stem.
M 1080无心磨床的自动切入磨削装置的设计与应用，保证了汽车发动机气门杆部加工精度。
The role of compression springs bad gall on automatic control valve flow area of the size, so that a constant flow through the valve.
弹簧受压差的作用自动控制阀胆上过流面积的大小，从而使通过阀门的流量恒定。
Charging test and safety valve and automatic device adjusting for main compressor.
主空气压缩机的充气试验，安全阀和自动装置的调整。
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