Close the shutoff valve upstream of the regulator.
关闭调节阀上游的关断阀。
Install a shutoff valve upstream of the regulator.
在调节阀上游安装一个关断阀。
Disc– machined seating surface is mated to seat ring for positive shutoff.
阀瓣-机加工阀座表面，配置阀座环，实现积极有效的关闭。
Globe valves are used where throttling or both throttling and shutoff are required.
截止阀用于需要节流，或既需要节流也需要关闭的应用场合。
Precision machined tilting disc and seat for tight shutoff in reverse flow direction.
精密机加工的倾斜式阀瓣和阀座，适用于逆流的紧密关闭。
The work principle and advantages of the GMZ quick shutoff inverted valve are presented.
叙述了GMZ快速关断逆止阀的组成及工作原理和优点。
Unscrew the aerator from the faucet, turn the water on at the shutoff valves, and open the faucet.
松开水龙头的透气口，打开总阀送水，打开水龙头。
Valves are designed to close quickly with positive shutoff in either horizontal or vertical pipe runs.
这种阀门适用于水平或垂直的管道，关闭迅速有效。
Slightly open shutoff valve No. 1 and allow water to fill the tube to the top then close No. 1 shutoff.
稍微开启关闭阀1号，将水注入管子直到顶部为止，然后关闭1号关闭阀。
The interference fit between the gate and seat provides bubble tight shutoff even under the lowest pressure.
即使在最低的管线压力下，闸板与阀座之间的配合也能够实现气泡级密封功能。
You can actually go beyond zero tolerances in your molds to intentionally leaving a slight gap at the shutoff.
你能真正地超越模具的零公差，有意地在闭合出留一个小的间隙。
This will enable the stem to expand slightly without binding or damaging the valve and will not affect shutoff.
这使得阀杆能够稍微膨胀，不会卡住或损坏阀门，也不会影响关闭效果。
Hycar composition single seat provides for dead-end shutoff and prevents pressure-creep when no flow is required.
海卡合成橡胶单阀座适用于终端关闭场合，防止当需要无流量时出现压力蠕变。
Union fittings and shutoff valves should be installed on both sides of trap for ease of servicing and trap testing.
在疏水阀两侧应该安装连接装置和关断阀，以简化维修和疏水阀测试。
The Bi-Directional Knife Gate Valve provides bubble tight shutoff in both directions up to full rating of the valve.
这种双向刀闸阀在阀门压力等级下，任何方向均可实现气泡级密封关闭功能。
Based on several years water shutoff practice, current water shutoff methods and blocking agents needs to be improved.
根据几年来的堵水实践，目前的堵水方式和堵剂还须进一步完善、提高。
They're used primarily for on-off service and provide excellent wear life and 100% positive shutoff of abrasive slurries.
他们主要用于开关功能，同时提供卓越的磨损寿命，对浆液实现100%的完全关断。
One interesting feature is the bulb's auto-shutoff function. It will only shine when ambient light falls below about 200 lux.
这种灯还有一种有趣的自动关闭功能，它只能在周围光亮低于200流明的时候被点亮。
IPCS technology was aimed at improving the effection that water shutoff and profile control enhance recovery efficiency factor.
IPCS技术的目的就在于改善高含水期堵水调剖提高采收率的作用。
Turn the water off at the shutoff valves and remove the hot and cold supply lines running from the shutoff valves to the faucet.
关闭给水总阀，将总阀到水龙头间的冷、热水管拆除。
Formation fracturing is the basic measure to develop low permeability oil field. Water searching and shutoff should be done early.
油层压裂改造是开发好低渗透油田最基本的措施以及尽早卡堵水的问题等。
The paper studies computer algorithm of valve shutoff in fault of heating network by graph theory, and works out applying program.
应用图论理论研究了供热管网故障时关阀方案的计算机算法，编制了实用程序。
It shall be a complete assembly including tight-closing resilient seated shutoff valves, test cocks, and a strainer is recommended.
这种总成应该是完整的，包括紧密关闭弹性阀座关闭阀(闸阀)，测试旋塞，以及建议配置的一个过滤器。
Prior to servicing any Watts valve, it is mandatory to shut down the water system by closing both the inlet and outlet shutoff valves.
在维修任何美国瓦茨阀门之前，必须先通过关闭进口和出口关闭阀来实现水系统的关闭。
But the performance characteristics of common cement have influence on the further improving economic benefit of oil well water shutoff.
但普通油井水泥由于其性能特点，影响了堵水经济效益的进一步提高。
Breakthrough pressure method was presented in order to accurately determine the plugging position of water shutoff agent in oil reservoir.
为了能更准确地预测堵剂在油藏中的封堵位置，提出了堵剂突破压力法。
Breakthrough pressure method was presented in order to accurately determine the plugging position of water shutoff agent in oil reservoir.
为了能更准确地预测堵剂在油藏中的封堵位置，提出了堵剂突破压力法。
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