一区二区三区不卡av_91亚洲精品在线观看_北条麻妃中文_大地资源网高清在线观看动漫_91精品国产一区自在线拍_日韩一区二区三区久久

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： 国产精品视频久久久 | 亚洲干综合| 国产精品成人亚洲一区二区 | 中日韩一级视频 | 日韩精品一区二区三区四区在线观看 | 欧美日韩国产黄色 | 亚洲色图欧美一区 | 精品久久久久久久免费卡片 | 亚洲人成免费在线观看 | 国产成人精品一区二区在线 | 国产一区日韩精品 | 91成人无码免费一区二区尤物 | 91麻豆产精品久久久久久 | 夜夜躁狠狠躁夜躁2021 | 精品国产AⅤ一区二区三区V免费 | 成年人视频免费在线观看 | 亚洲春色αV无码专区在线播放 | 亚洲avav天堂av在线网毛片 | 国产无码高清视频不卡 | 国产日韩中文字幕 | 国产在线午夜 | 亚洲情乱 | 国产精品美女久久久久av毛片 | 中文字幕四区 | 久久综合成人网 | 久久精品国产亚洲αv忘忧草 | 91视频九色欧美 | av天天澡天天爽天天av | 中文字幕永久在线第38页 | 亚洲中文字幕久久精品蜜桃 | 边吃奶边添下面好爽 | 久久亚洲精品无码AV | 天天爱夜夜爽 | 圆产精品久久久久久久久久久 | 伊人二本二区 | 99在线精品免费视频九九视 | 国产精品一二三区成毛片视频 | 97caoporn国产免费人人 | 韩国av永久免费 | 国内精品人妻在线中文字幕 | 国产啪视频免费观看视频 |