亚洲一区欧洲一区_国产经典一区二区_岛国视频一区免费观看_小受咬床单失禁的GV在线观看_亚洲精品蜜夜内射_一性一乱一交一精一品

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：

亚洲一区欧洲一区|国产经典一区二区|岛国视频一区免费观看|小受咬床单失禁的GV在线观看|亚洲精品蜜夜内射|一性一乱一交一精一品
麻豆精品福利 欧美一级免费播放 国产性色αv视频免费 三及片免费 亚洲一区精品人人爽人人躁 久荜中文字幕 天天色成人网 黑人糟蹋人妻HD中文字幕 欧洲尺码日本尺码特价 丁香七月激情婷婷 下个黄色片 50度灰免费
主站蜘蛛池模板： 久久久久久久99精品欧美产片 | 91视频一区二区三区 | 免费视频亚洲 | 人人爱天天爱天天摸天天做天天爽 | av免费观| 国产精品久久久乱弄 | 国产不卡视频在线播放 | 欧美一a一片一级一片 | 高清国产下药迷倒白嫩美女99 | 亚洲天堂av网 | 亚洲综合久久av一区二区三区 | 国产极品粉嫩正在播放软件特点 | 亚洲黄色在线看 | 国产麻豆一区二区三区四区 | 久久综久久 | 亚洲乱码久久久 | 亚洲精品国产最新在线不卡 | 精品国产免费人成在线观看 | 久久精品一区二区三区中文字幕 | 欧美搡BBBBB搡BBBBB| 女人自慰喷水高清播放 | 久久成人秘免费无码 | 成年人视频免费网站 | 欧美va大片| 国产精品二区在线观看 | 精品国产18久久久久久二百 | 精品久久久久成人码免费动漫 | 亚洲午夜av在线 | 国产精品亚洲аv久久亚瑟桃花 | 九色国产在线观看 | 国产在线高清伦免费理视频 | 日韩视频在线观看 | caoporon人人最新视频 | 国产一级性 | 精品麻豆丝袜高跟鞋AV | 精品国产一级 | 69一区二区| 黑人巨大精品欧美一区二区 | 欧美激情极品久久久久久 | 黄频在线观看国产免费 | 青青草无码免费一二三区 |