亚洲AV无码AV男人的天堂,亚洲第一天堂无码专区,国产精品户外野外,久久99精品久久水蜜桃

CN / EN

Pneumatic stainless steel flanged ball valve manufacturer product customization requirement

發(fā)布時間:2022-07-14瀏覽量:1003

If the customer wants to find a ball valve manufacturer to customize a pneumatic stainless steel flanged ball valve, it is necessary to provide a set of parameters. These parameters should be clarified before designing the ball valve. The specific specifications and parameters are as follows:

1. Clarify the specific parameters, operating conditions and relevant implementation standards of the stainless steel flanged ball valve.

2. Determination of the structure of the pneumatic stainless steel flanged ball valve: if the pressure is not high and DN≤150, a floating structure with a simple structure can be selected. If the floating structure cannot meet the production requirements, a fixed or other structural type can be selected.

3. Determination of sealing material for pneumatic stainless steel flanged ball valve: If the operating temperature is less than or equal to 300 degrees, plastic materials can be selected as the sealing surface. If the operating temperature is greater than 300 degrees, or the medium contains particles, metal materials can be selected as the sealing surface.

4. The use requirements of pneumatic stainless steel flanged ball valves are determined: fire protection, anti-static requirements, etc.

5. The number of channels of the pneumatic stainless steel flange ball valve is determined: straight-through, three-way, four-way, etc.

6. Determination of the form of elastic elements.

7. Determination of the structural length and connection size of the pneumatic stainless steel flanged ball valve.

8. Determination of the diameter of the sphere channel

9. Determination of the diameter of the sphere.

Wenzhou Changyi Valve is a professional ball valve manufacturer, providing customized services. If necessary, please contact us.


在线成人一区二区| 制服丝袜一区二区三区| 日韩丝袜欧美人妻制服| 五级黄高潮片90分钟视频| 成人国产精品秘片多多| 精品人妻系列无码一区二区三区 | 孕妇特级毛片ww无码内射| 精品区2区3区4区产品乱码9| 97精品伊人久久大香线蕉| 两个奶头被吃高潮视频| 亚洲av第一成肉网| 美女视频黄频大全免费| 丰满少妇被粗大猛烈进人高清| 激情97综合亚洲色婷婷五 | 丰满少妇被猛烈高清播放| 国产在线 | 中文| 插我一区二区在线观看| 成年女人永久免费看片| 高清无码视频直接看| 日本一卡二卡不卡视频查询| 日韩av无码一区二区三区不卡| 亚洲av成人精品网站在线播放| 人人妻人人澡人人爽欧美一区双| 女人与公拘交酡全过女免费| 久久午夜神器| 国产农村妇女精品一二区| 久久aⅴ人妻少妇嫩草影院| 玩弄人妻少妇精品视频| 欧美人与动牲交a免费观看| 人妻少妇乱子伦无码视频专区| 亚洲国产另类久久久精品黑人| 国产肉体ⅹxxx137大胆| 亚洲无线码一区二区三区| 男女肉粗暴进来120秒动态图| 久久精品国产色蜜蜜麻豆| 国产最新进精品视频| 野花社区视频www官网| 国产精品综合色区在线观看 | 品色堂永远的免费论坛| 熟妇激情内射com| 欧美巨鞭大战丰满少妇|