截止阀

Bellows sealed valve, etc......

波纹管密封截止阀等。。。。。

No—The check valve (30) is not good or is not adjusted properly.

不，截止阀30不良或没有适当调节。

Wier pump and clack, steam vacuum ejector, injector clack and stop valve and Wier pump lubricator pot.

威尔泵和唠叨，蒸汽真空喷射器，注射器和截止阀瓣和威尔泵润滑锅。

Check up double-stop valve and examine whether the switch of pressure meter opens or not, vent valve close or not.

1.2 检查双联截止阀及压力表开关是否已打开，放气阀是否已关闭。

In the light of the problems with imported offshore wellhead, such as being bulky and expensive and being inconvenient to mount and maintain, Model HKY65―21 offshore wellhead is developed. This wellhead consists of tubing head assembly, PHK plate gate valve, safety valve, stop valve, clamp, small four-way connection and choke, and it is small-sized, light-weighted, high-strength, corrosion- and abrasion-resistant, reliably sealed and convenient to mount and maintain. Application shows that the wellhead can satisfy the requirements of offshore production with good performance.

针对海上油田所用国外采油井口装置存在体积庞大笨重、价格昂贵以及与国产设施不配套和安装维护不便等问题，研制了HKY65―21型海上井口装置这种井口装置主要由油管头总成、PHK平板闸阀、井口安全阀、截止阀、卡箍总成、小四通和节流器组成，具有体积小、重量轻、强度高、防腐耐磨、密封可靠和安装维护方便等优点现场使用128套的实践表明，其各项技术性能指标均能满足海洋石油生产的要求，完全可以取代进口产品，经济效益可观

The electrical control valve, manual control only of the pilot valve with 3 ~ 5V direct current machine drive can be.

对于电动控制的截止阀，只需将先导控制的手动球阀用3～5V直流电机驱动即可。

Wenzhou Longwan Wing qian jia valve factory in the industrial zone in Wenzhou City Yongxing Yongchang on the 8th, is a specialized generation filters, Precision Casting Ball Valve and the closing of the valve manufacturer.

温州龙湾永中千加阀门厂位于温州市龙湾区永中镇衙前街8号，是一家专门生成过滤器、精铸球阀、截止阀的生产厂家。

4Should be fully open before the start of the suction and discharge pipe valves,non-closing valve to start.

4启动前应全开吸入和排出管路中的电动截止阀，严禁闭阀启动。

Mainly including main stop valve with fiter, reducer valve ,steam And water separator.

主要包括带过滤网的截止阀、减压阀、汽水分离器等。

In our production, life, it used to straight-through, small-caliber valve, ball valve is now gradually being replaced.

在我们的生产、生活中，过去常用直通式、小口径截止阀，现在已渐渐被球阀所取代。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。