Should a valve need repair, depressurize and drain the system on both sides of the valve.

如果一个阀门需要维修，则在阀门的两侧对系统进和排放。

If cylinder does subcool, close valve and allow cylinder to warm up.DONOT APPLY HEAT!

如果钢瓶没有过冷，关闭阀门让钢瓶升温。

After uncovering of treble part we see valves underlaid by felt.

在揭露高音部分以后我们看见毛毡支持的阀门。

The ceramic plates of air valves against abration, corrosion, dust, dirt, and sand.

陶瓷阀板耐磨、耐腐蚀、耐固体颗粒侵蚀，寿命长，适合各种气体、液体阀门的密封。

This feature also permits field repair of the valve seat without fear of misassembly by field mechanics.

这种特征也允许现场维修阀门的阀座，不用担心由于现场维修设备不足导致错误配。

Applicable to acid (except vaporish acid),alkali, ammonia, vapor, oil, organic solvent ,chemistry corrosiveness, filling airtight of rotary pump.

适用酸（除发烟硫酸外）碱，，氨，蒸气，油品，有机溶剂，化学腐蚀性介质的各种旋转泵，阀门的填料密封。

A floorstand for handwheel actuated valves allows operation from above.Included is handwheel, non-rising stem, fittings, extension, and floorstand with gate position indicator.

用于手轮执器阀门上的地轴承架可以在上方对阀门进操作，包括手轮，暗杆，连接件，加长件，以及带闸板位置指示器的地轴承架。

Limnoperna fortunei can attach to the inner walls of raw water pipe by thread-like byssus and reproduced rapidly, resulting in clogging of pipe and valves.

淡水壳菜依靠足丝附着在管,并快速大量繁殖,会导致管、阀门等堵塞。

The feed-pipe is as clean as a whistle, so I’m afraid, if the oil is not getting through to the burner, the valve must be faulty.

送料管干干净净, 所以我担心要是油不通过喷嘴, 阀门一定有毛病。

Waste draining pipe, offlet or drain pipe should be connected to the main pipe;each pipe should connect two valves with the most possible short valve-to-valve pipe length.

排污管、放水管或疏水管应分别连接到各自的总管上，每管均应串接两个阀门，两阀门间的管段应尽量缩短。

Rising the temperature continuously , when it in the valves runs over the temperature of drainage, the detrusion of top material causes the port A close.

阀门有一定开度，开始工作时，冷凝水与空气从A口迅速排放。随着温度升高，感温元件(阀芯)的顶杆，向A口移动。

Recirculating control aquastat must be set at least 5oF to 10oF lower than the temperature setting of the Series N170-M2 valve, otherwise the recirculator will run continually.

再循环控制水温自动调节器的温度设置必须比系列N170-M2阀门的设置温度低5至10华氏度，否则，再循环器将会不断运。

A strainer is recommended to be installed ahead of the backflow preventer to prevent the fouling of the check assembly and resulting spillage from the valve during repressurization.

建议在防回流阀前安一个过滤器，防止由于止回阀总成受到污染而导致这种阀门在再增期间产生泄漏或溢出。