闸阀

TWT's two thousand various products are widely used in hydraulic generations,city plumbing ,wastewater treatment facilities,petroleum and chemical industries ,heating supplies ,and any other water related business.Among them,Water butterfly valves,DB flange butterfly valves and Tri-eccentric compound ring metal seated butterfly valves won the State New Products awards in 1994,2000,and 2001,respectively. The butterfly valve series carryings the "TWT" brand name was selected for the Famous Brand Product of Tianjin Award by the Tianjin government .

上述产品广泛应用于水源工程、城市给排水、污水处理、发电、石油、化工、供热、船舶、医药、冶金等行业管路系统中作为截流和调节设备使用，其中对夹式蝶阀、DB型法兰蝶阀、三偏心复合圈金属密封蝶阀、软密封明杆闸阀分别被评为1994年度、2000、2001、2002年度国家级新产品，"TWT"牌系列蝶阀被天津市政府授予"天津市名牌产品"、"外地市场受欢迎的天津产品"称号。

Braving the explosion of the boiler, he rushed forward and turned off the sluice gate.

他冒着锅炉爆炸的危险，冲上去关掉了闸阀。

Gate valves are not recommended for throttling service.

不建议将闸阀用在节流应用中。

Fourth, turn off the pump outlet pipe road pipe valve and export and import vacuum gauge table.

四、关好管道泵出水管路的闸阀和出口压力表及进口真空表。

Fourth turn off the pump outlet pipe road pipe valve and export and import vacuum gauge table.

四、关好鼓汤泵出水管路的闸阀和出口压力表及进口真空表。

Based on the effect of the sanding on the bradenhead, the ground flow pipeline gtv and surface equipment in high pressure and high gas rate well in west Sichuan, and combination with actual engineering geologic characteristic and operation status, the paper analyzed the influencing factor of sanding in the fractured well, and put forward the countermeasures to effectively prevent sanding.

川西坳陷致密砂岩气藏拥有大量的高压高产气井，支撑剂回流出砂问题比较突出。由于气井压力高、产量高、流速快，加砂压裂后常出现支撑剂回流出砂的现象，对井口及地面流程管线闸阀、地面设备造成强烈的冲蚀破坏作用，已经严重影响到气田高压高产气井的正常生产。

High quality deposits of Stellite 6 and other hardfacing alloys are assured by the use of the following state of the art technology: controlled preheating, automatic Plasma Arc hardfacing equipment and a controlled cooling process.

采用高质量的钨铬钴合金6和其它表面硬化合金，确保下列现代技术的的应用：闸阀楔板和铸钢阀座的控制预热，自动化等离子弧硬面设备和控制冷却过程。

Sealing is obtained by sliding, not by compression according to wedging effects.

通过滑动，而不是同楔形闸阀一样通过的压缩进行密封

Bull; Sealing is obtained by sliding, not by compression according to wedging effects.

通过滑动，而不是同楔形闸阀一样通过的压缩进行密封

Bull; Sealing is obtained by sliding, not by compression according to wedging effects.

通过滑动而不是像楔形闸阀一样通过压缩进行密封。

I can not make it blossom and suits me

我不能让树为我开花

When temperatures are above approximately 80 °C discolouration of the raceways or rolling elements is a frequent feature.

当温度高于 80 °C 左右时，滚道或滚动元件褪色是很常见的特征。