欧美性高清bbbbbbxxxxx_最近更新中文字幕在线_亚洲人a成www在线影院_欧美成人久久_国产黄色观看_日韩精品3

The 18 valve industry standards will be implemented as of January 1, 2021

Column：Industry trends Time：2020-11-06
According to the Announcement of the Ministry of Industry and Information Technology of the People's Republic of China No. 15 in 2020, the Ministry of Industry and Information Technology of the People's Republic of China has approved and...

According to announcement No. 15 of 2020 issued by Ministry of Industry and Information Technology of the People's Republic of China, Ministry of Industry and Information Technology of the People's Republic of China approved and published a batch of industry standards, among which 18 standards centralized by National Technical Committee for Standardization of Valves and National Technical Committee for Standardization of Safety Pressure Relief Devices are hereby published, as shown in the following table:

No
Standard number
Standard name
Under centralized unit
  1
JB/T 13769-2020
Water hammer relief valve
National Technical Committee for Standardization of Safety Relief Devices
  2
JB/T 13768-2020
Solenoid relief valve
National Technical Committee for Standardization of Safety Relief Devices
  3
JB/T 13886-2020
Safety Shutoff Bottom Valve for Hazardous Liquid Storage Tank
National Technical Committee for Valve Standardization
  4
JB/T 13884-2020
Test procedure for opening and closing torque of valves
National Technical Committee for Valve Standardization
  5
JB/T 13888-2020
Lip-type sealing element for cryogenic valves
National Technical Committee for Valve Standardization
  6
JB/T 13879-2020
Non-Nuclear Valves for Nuclear Power
General Technical Specifications
National Technical Committee for Valve Standardization
  7
JB/T 13878-2020
Non-Nuclear Gate Valves for Nuclear Power
technical conditions
National Technical Committee for Valve Standardization
  8
JB/T 13877-2020
Temperature-pressure control valve
National Technical Committee for Valve Standardization
  9
JB/T 13885-2020
For gas pressure regulator
Safety shutoff valve
National Technical Committee for Valve Standardization
 10
JB/T 13882-2020
High Temperature and High Pressure Flat Gate Valve for Power Station
National Technical Committee for Valve Standardization
 11
JB/T 13883-2020
Valve electro-hydraulic actuator
National Technical Committee for Valve Standardization
 12
JB/T 13887-2020
Automatic control return valve
National Technical Committee for Valve Standardization
 13
JB/T 13880-2020
Rubber Flap Check Valve
National Technical Committee for Valve Standardization
 14
JB/T 10529-2020
Ceramic Sealed Valves
technical conditions
National Technical Committee for Valve Standardization
 15
JB/T 13876-2020
Valve components
Valve Stem General Requirements
National Technical Committee for Valve Standardization
 16
JB/T 13875-2020
Solenoid-driven stop valve
National Technical Committee for Valve Standardization
 17
JB/T 7746-2020
Compact forged steel valves
National Technical Committee for Valve Standardization
 18
JB/T 13881-2020
Electric device for marine valve
technical conditions
National Technical Committee for Valve Standardization

感谢您访问我们的网站，您可能还对以下资源感兴趣：

欧美性高清bbbbbbxxxxx|最近更新中文字幕在线|亚洲人a成www在线影院|欧美成人久久|国产黄色观看|日韩精品3
国产欧美日韩一区二区在线 国产精品亚洲LV粉色 久草在线免费福利 色婷婷综合久色 国产综合首页 137日本免费肉体摄影 思思久久99热只有频精品66 日本在线有码 公天天吃我奶躁我 免费欧美一级片 天堂色在线 av在线免费观看播放 久久久午夜 添逼视频 久久久噜噜噜久噜久久综合 国产精品亚洲а∨怡红院 av在线资源播放 91网页视频入口在线观看 熟妇与小伙子露脸对白 人妻被粗大猛进猛出69国产
主站蜘蛛池模板： 国产精品久久久久久久竹霞 | аⅴ资源天堂资源库 | 波多野结衣一区二区三区中文字幕 | 国内精品久久久久久久影视 | 中文字幕欧美久久日高清 | 2019年最好看的中文免费视频 | 9277在线观看免费播放 | 1级黄色毛片 | 亚洲成av人片天堂网无码 | 艳妇乳肉豪妇荡乳流白浆 | 国产免费高清av | 亚洲国产精品一区二区三区 | 中文在线a天堂 | 午夜影片 | 狠狠综合亚洲综合亚洲色 | 日韩人妻无码精品无码中文字幕 | 国产不卡片 | 老司机精品在线观看 | 一级毛片全部免费播放特黄 | 男女精品国产乱淫高潮 | 奇米在线视频观看 | 91porny国产 | 草逼网站 | 在线高清无码A. | 久久久久久国产精品美女 | 亚洲精品一区二区三区精品 | 人妻无码精品久久亚瑟影视 | 波多野结衣无码视频在线观看 | 日日操av| 91福利影院在线观看 | 亚洲情黄网站在线视频 | 四虎海外永久免费网址 | 日本中文字幕精品 | 韩国免费A级作爱片无码 | 又大又粗进去爽A片免费 | 人妻被粗大猛进猛出国产 | 饥渴的少妇毛片免费视频 | 熟女人妻aⅴ一区二区三区60路 | 91丝袜在线观看 | eeuss亚洲精品久久 | 久久99久久99精品免观看 |