在线 | 一区二区三区四区-在线 v亚洲 v欧美v 专区-在线 成人-在线 丝袜 欧美 日韩 制服-女性影院-欧乱色国产精品兔费视频

Contact Us   
Search   

High Pressure High Temperature Ball Valve

2013/11/10      view:

A ball valve is a valve with a spherical disc, the part of the valve which controls the flow through it. High Pressure High Temperature Ball Valve is widely used in the petroleum refining, long-distance pipelines, chemical, paper, pharmaceutical, water conservancy, electricity, municipal, and steel industries in the national economy occupies a pivotal position. High pressure ball valve is mainly used to cut off or turned on the line of media can also be used for the regulation and control of the fluid, V-hard seal ball valve V-ball core surfacing carbide metal seat has a strong the shear force, especially suitable for containing fibers, a tiny solid particles such medium. Multi-way ball valve in the pipeline, not only flexible control of the confluence of the media streaming and switch the flow direction, but also to close any one channel the other two channels connected.

Operation and use of high-pressure ball valve:

1, the operation required to confirm before piping and valves have been washed off.

2, the operation of the valve input signal size by executing agency driven stem rotation is complete: Forward rotating 1/4 turn (90 °), the valve off. The reverse rotating 1/4 turn (90 °), the valve opens.

3, when implementing agencies directional arrows parallel with the pipeline, the valve is open; indicator arrows and vertical pipelines, valves off. There are five general body styles of ball valves: single body, three piece body, split body, top entry, and welded. The difference is based on how the pieces of the valve—especially the casing that contains the ball itself—are manufactured and assembled. The valve operation is the same in each case.

主站蜘蛛池模板: 亚洲欧美经典| 天天操夜夜操天天操| 丁香婷婷电影| 国产高清视频在线免费观看| 国产毛片农村妇女系列| 99国产精品农村一级毛片| 午夜视频在线观看免费视频| 天天操天天干天天拍| 国产综合第一页在线视频| 国产中文字幕一区| 综合色天天| 特黄色片| 你懂的视频在线看| 色综合综合网| 欧美在线观看www| 五月婷婷中文字幕| 日本三级电影在线观看| 久在草影院| 99久久亚洲国产高清观看| 天堂网www在线资源链接| 夜夜春夜夜爽| 国产精品久久久久久久久免费hd| 1314亚洲人成网站在线观看| 欧美成人免费草草影院| www.欧美成| 亚洲情网| a黄网站| 特级一级黄色片| 免费看一级毛片| 97大香伊在人人线色| 狠狠插狠狠插| 欧美美女福利视频| 欧美激情xxxx性bbbb| 特黄特黄特色大片免费观看 | 欲色天天| 国产拳头交一区二区| 免看一级a毛片一片成人不卡| 中文一区| 免费看18污黄| 日韩精品午夜| 美女一级毛片毛片在线播放|