久久99亚洲精品久久_无码中文资源在线播放_91大神在线观看精品一区_国产丝袜在线精品丝袜_欧美日韩乱码毛片免费观看_秋霞在线观看片无码免费不卡

Hello, welcome to the Jiangsu Ideal Valve Co., Ltd. official website！
TEL：+86-515-87214888      EMAIL：fnjslxfy@163.com      

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

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： 91在线免费播放 | 豆花免费进入官网 | 日本黄色免费网站 | 4399理论片午伦夜理片 | 国产在线精选 | 色情无码初拍人妻 | 97亚洲狠狠色综合一区二区 | 国产粉嫩粉嫩的18在线播放91 | 国产成人福利在线 | 中文字幕日韩无 | 亚洲国产精品久久久久蝴蝶传媒 | 久操免费 | 天堂成人网| 国产精品爽爽V在线观看无码 | 青娱乐成人 | 日本精品va在线观看 | 热99re久久国免费超精品首页 | 久久久久久成人精品 | voyeur裸体chinese 欧美极品网站 | 国产精品一二三四五六 | japanese强行色系 | 国产精品久久久久久久免费看 | 国产高潮呻吟av | 亚洲免费精品 | 久久久久久中文字幕2020 | 欧美8x| 午夜精品久久久久久久久久久久 | 亚洲国产综合久久久 | 伊人久久综合影院 | 久久久久精品无码专区 | 优酷在线观看 | 青青草日韩 | 大地资源高清在线视频播放免费版 | 黄色片ww| 最新日韩精品视频 | 美女网站大黄 | 日韩欧美一区二区在线视频 | 九九九久久久久久久 | 中文色视频| 亚洲色婷婷久久久综合 | 国产精品人人妻人色五月 |