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在冷水进水管上安装一个关断阀。Install a shutoff valve in the cold water inlet.

关闭调节阀上游的关断阀。Close the shutoff valve upstream of the regulator.

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在调节阀上游安装一个关断阀。Install a shutoff valve upstream of the regulator.

该堵剂适用于砂岩地层油井非选择性堵水。The agent suits non-selective water shutoff in sand formation.

这个切断阀应该尽可能接近气源。This shutoff valve should be located as close to the source as possible.

倒棱增加物的塑造在自动制冷管的范围内、头螺栓的座套表面。Disc ? machined seating surface is mated to seat ring for positive shutoff.

这些分流类型的3通球阀在分支端口上没有关闭功能。These diverter style 3-Way ball valves have no shutoff on the branch ports.

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慢慢开启上游关闭阀,让防回流阀慢慢注满。Slowly open upstream shutoff and allow the backflow preventer to fill slowly.

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。Globe valves are used where throttling or both throttling and shutoff are required.

实施堵水作业后油井产油能力逐渐提高。The oil productivity raises gradually after a water shutoff job with RPM conducted.

精密机加工的倾斜式阀瓣和阀座,适用于逆流的紧密关闭。Precision machined tilting disc and seat for tight shutoff in reverse flow direction.

叙述了GMZ快速关断逆止阀的组成及工作原理和优点。The work principle and advantages of the GMZ quick shutoff inverted valve are presented.

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1用全流道球阀或弹性楔板关闭阀清洗或更换闸阀。Clean or replace gate valve with full port ball valves or resilient wedge shutoff valves.

阀门注满后,慢慢开启下游关闭阀对水供应系统注水。When valve is filled, open the downstream shutoff slowly and fill the water supply system.

关闭离计划安装位置最近的上游热水和冷水的关断阀。Close both the hot and cold water shutoff valves upstream nearest to the intended installation.

直接接触,金属对金属座椅,使大多数关闭截止阀应用的理想选择。Direct contact, metal-to-metal seating, make the globe valve ideal for most shutoff applications.

如果主关闭阀卡住就有危险,这些阀有可能会增加另一程度的隔离。Hazard is if the main shutoff valve is "stuck" , these valves may add another level of isolation.

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松开水龙头的透气口,打开总阀送水,打开水龙头。Unscrew the aerator from the faucet, turn the water on at the shutoff valves, and open the faucet.

紧凑型,单线式,逆向流动瞬时关断反对,低正向开放的压力。Compact, in-line mounted, instantaneous shutoff against reverse flow, low forward pressure opening.

这种阀门适用于水平或垂直的管道,关闭迅速有效。Valves are designed to close quickly with positive shutoff in either horizontal or vertical pipe runs.