欧美乱码伦视频免费_色琪琪www618seon_日本免费a∨片免费_久久久夜色精品亚洲a_午夜性大片_亚洲综合精品伊人久久

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
主站蜘蛛池模板: 久99久热只有精品国产女同 | 又大又粗进去爽A片免费 | 人妻一本久道久久综合久久鬼色 | 国产一卡二卡三卡四卡 | 久久被窝亚洲精品爽爽爽 | 免费看黄色影片 | 国产精品天天看天天狠 | 把插八插露脸对白内射 | 日本久久久久久久做爰片日本 | 亚洲第一福利网站在线观看 | 少妇愉情理伦片丰满丰满午夜 | 国产女人和拘做受视频免费 | 中文字幕有码无码人妻AV蜜桃 | vps私人毛片 | 天天日本天天谢 | 一卡2卡3卡四卡精品免费网站 | 美女视频一级片 | 国产办公室无码视频在线观看 | 日韩成人无码中文字幕 | 亚洲欧美色αv在线影视 | 久久精品国产亚洲AV麻豆不卡 | 精品人妻无码一区二区三区视频 | 亚洲AV无码专区在线 | 国产精品草逼 | 亚洲日韩乱码中文无码蜜桃臀 | 亚洲色欲综合一区二区三区 | 日本三级日本三级韩国三级视 | 欧美亚洲日韩国产网站 | 在线播放五十路熟妇 | 国产熟妇乱子伦hd | 午夜福利理论片在线观看播放 | 亚洲一区二区三区波多野结衣 | 一道本AV免费不卡播放 | 亚洲av高清不卡在线播放 | 精品无码黑人又粗又大又长 | 国产精品久久午夜夜伦鲁鲁 | 麻豆一区二区三区在线观看 | 亚洲色无码中文字幕YY51999 | 亚洲精品无码鲁网午夜 | 亚洲欧美日韩在线资源观看 | 日本无遮挡吸乳呻吟视频 |