中文字幕无线码免费人妻-少妇愉情理伦片丰满丰满午夜-熟妇人妻系列aⅴ无码专区友真希-国精品午夜福利视频-久久99精品久久久久婷婷暖

Hotline: +86-021-57278880
Language:   
PRODUCTS
Baigang valve group brand manufacturing -Ball Valve

Ball Valve summary

Ball valve has the advantages of simple structure, quick switching, easy operation, small volume, light weight, few parts, least fluid resistance and good tightness.


Ball Valve scope of application

1. Suitable for medium with low temperature (≤150℃), high pressure and high viscosity;
2. Can not be used for flow regulation;For situations requiring quick opening and closing;
3. Usually, the ball valve is recommended to be used in the pipeline with two-position regulation, strict sealing performance, wear, shrinkage channel, rapid opening and closing action, high pressure cut-off (large pressure difference), low noise, gasification phenomenon, small operating torque and small fluid resistance;
4. Also suitable for light structure, low pressure cut-off, corrosive medium;


Ball Valve standard

API 6D/ISO 14313: Pipeline valves
API 608: Flanged, threaded and butt-welded end steel ball valves
- ISO 17292, Steel ball valves for the petroleum, petrochemical and refining industries
BS 5351: Steel ball valves
GB/T 12237: Flanged and butt-welded steel ball valves
DIN 3357: Ball valves
Shell SPE 77/100: Press BS5351 ball valve
Shell SPE 77/130: Flanged end and butt-welded end ball valves according to ISO14313

+86-021-57278881
qrCode
主站蜘蛛池模板: 亚洲va欧美va国产va综合| 午夜成人性刺激免费视频| 亚洲精品少妇一区二区| 夫前人妻被灌醉侵犯在线 | 亚洲成av人在线观看成年美女| 国产免费观看久久黄av片| 欧美婷婷六月丁香综合色| 久久这里只有精品首页| 一本大道av伊人久久综合| 欧美人与禽猛交狂配| 国产又色又爽无遮挡免费 | 亚洲国产欧美在线综合其他| 成人午夜福利视频后入| 国产人妻鲁鲁一区二区| 国产精品岛国久久久久| 欧美激情一区二区三区| 国产肉体ⅹxxx137大胆| 国产18禁黄网站免费观看| 国产一区二区三区影院| 天天躁日日躁狠狠躁免费麻豆| 国产精品揄拍100视频| 免费裸体无遮挡黄网站免费看| 性色av极品无码专区亚洲| 国产国拍亚洲精品av在线| 国产精品久久毛片av大全日韩 | 人妻乳哺乳无码一区二区| 9色国产深夜内射| 小sao货水好多真紧h视频| 少妇扒开双腿让我看个够| 亚洲精品理论电影在线观看| av色综合久久天堂av色综合| 日本高清成本人视频一区| 国产亚洲精品美女久久久m| 日日碰日日摸日日澡视频播放| 制服丝袜亚洲欧美中文字幕| 吃奶摸下的激烈视频| 免费看国产曰批40分钟| 成人精品一区日本无码网| 潮喷失禁大喷水aⅴ无码| 特大巨黑吊xxxx高潮| 欧美性白人极品1819hd|