国产全肉乱妇杂乱视频,久久日产一线二线三线品,无套内谢少妇毛片A片樱花,日本激情特黄三级激情视频

Home / Product

Product

Fixed

Fixed ball valve

Nominal pressure:PN1.6~6.4MPa
Nominal diameter:DN15~100mm

1. Frictionless opening and closing. This function completely solves the problem that the sealing of traditional valves is affected by the friction between the sealing surfaces.

2, top type structure. The valve installed on the pipeline can be directly checked and repaired online, which can effectively reduce the device parking and reduce the cost.

3, single seat design. The problem that the medium in the valve cavity is affected by abnormal pressure increase is eliminated.

4, low torque design. The valve stem with special structure design can be easily opened and closed with a small hand handle.

5, wedge sealing structure. The valve is sealed by the mechanical force provided by the valve stem, and the ball wedge is pressed to the seat, so that the sealing of the valve is not affected by the change of the pressure difference of the pipeline, and the sealing performance is reliably guaranteed under various working conditions.

6. Self-cleaning structure of sealing surface. When the ball tilts away from the seat, the fluid in the pipeline passes 360° evenly along the sealing surface of the ball, which not only eliminates the local erosion of the high-speed fluid on the seat, but also washes away the accumulation on the sealing surface to achieve the purpose of self-cleaning.




1, the fluid resistance is small, and the resistance coefficient is equal to the pipe segment of the same length.

2, simple structure, small size, light weight.

3, tight and reliable, the sealing surface material of the ball valve is widely used in plastic, good sealing, and has been widely used in the vacuum system.

4, easy to operate, open and close quickly, from full open to full close as long as the rotation of 90 degrees, easy to remote control.

5, easy maintenance, ball valve structure is simple, the sealing ring is generally active, disassembly and replacement are more convenient.

6, when fully open or fully closed, the sealing surface of the ball and the seat is isolated from the medium, and the medium will not cause the erosion of the valve sealing surface.

7, wide range of application, small diameter to a few millimeters, large to a few meters, from high vacuum to high pressure can be applied.


      <center id="vudui"></center>

      <center id="vudui"></center>

      • <u id="vudui"><listing id="vudui"><pre id="vudui"></pre></listing></u>
      • 主站蜘蛛池模板: 人妻少妇中文字幕久久| 慈利县| 少妇被粗大的猛烈进出A片久久久| 南通市| 远安县| 九江市| 新巴尔虎右旗| 秭归县| 嫩草乱码一区三区四区| 红桥区| 日本特黄特黄刺激大片| 性饥渴的老妇教我玩她| 国产日本无码色情AⅤ免费看| 肇东市| 《逢床作戏(H)》| 日韩精品极品视频在线观看免费| 集贤县| 日韩精品一区二区三区中文| 日本高清视频wwww色| 中文字幕在线观看| 昌宁县| 日本在高清av不卡| 性生交大片免费看狂欲| 蒲城县| 真人作爱90分钟免费看视频| 欧美香蕉爽爽人人爽| 平定县| 成人无码免费一区二区中文| 筠连县| 成全视频在线观看免费| 西充县| 欧美牲交a欧美牲交aⅴ电影| 简阳市| 成全动漫视频在线观看免费高清 | 男人添女人荫蒂视频观看| 漂亮人妻洗澡被强公bd| 广昌县| 察雅县| 精华区二区区别88888| 久草热久草在线视频| 金阳县|