免费国产一区二区视频_久久久久国产一区二区三区_一级欧美视频_1000部精品久久久久久久久_九九精品影院_国产一区二区av

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: 7799精品视频天天看视频 | 精品无码一区在线观看 | 日韩三区 | 亚洲黄色三级 | 欧美性受xxxx黑人xyx | 午夜在线观看视频网站 | 一级毛片在线免费观看 | 91精品久久久久久久久99蜜臂 | 久草精品在线观看 | 成人一级 | 一级做性色a爱片久久毛片欧 | 成人免费视频观看视频 | 国产精品成人一区二区三区吃奶 | 天天操天天弄 | 欧美日韩久久久久 | a级黄色片网站 | 天天干夜夜爽 | 欧美精品做受xxx性少妇 | 日本道在线播放 | 国产日产精品一区二区三区四区 | 妈妈的朋友 免费 | 天天爽夜夜爽 | 中文字幕先锋资源 | av在线免费看片 | 最新在线中文字幕 | 精品护士一区二区三区 | 色片免费观看 | 最近中文字幕2019在线一区 | 狠狠淫xx| 99免费精品 | 激情国产一区二区三区四区小说 | 欧美日韩亚洲在线 | 人人操日日干 | 久久久久二区 | 国产高清色| 中国xxxxwwww| 日韩一区二区在线看 | 日韩视频网 | 高清不卡毛片 | 久久免费99精品久久久久久 | 91欧美精品成人综合在线观看 |