无码人妻21p_国产成人av在线_97五月天免费视频观看_日本在线a片一区视频_久久亚洲a_日韩啪啪免费视频

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： 国产精品免费无遮挡无码永久视频 | 精品中国亚洲 | 天天在线干 | 大桥未久女教师av一区二区 | 精品国产一区二区三区四区精华 | 国产.精品.日韩.另类.中文.在线.播放 | 国产精自产拍久久久久久蜜 | 欧美日韩视频在线观看一区 | 日本久久久久一级毛片 | 亚洲一区日韩精品 | 国内精品国产三级国产在线专 | 国产在线观看高清视频 | 国产乱人乱偷精品视频a人人澡 | 仙武帝尊动漫在线观看 | 欧美黄色性视频 | 国产视频在线免费观看 | 91精品国产91久久久久久蜜臀 | 97大神超碰在线中文字幕 | 成人国产精品免费网站 | 国产高清av | 一级伦理在线 | 91福利视频一区 | 天天澡天天添天天摸av | 在线观看麻豆 | 大地资源影视中文在线观看免费高清 | 国产精品人成在线播放新网站 | 亚洲一卡二卡三卡四卡 | 久久久精品视频免费看 | 亚洲人和日本人hd | 在线播放免费视频播放 | 免费观看成年人视频在线观看 | 91高清视频 | 国产精品视频一区二区三区经 | 男人在线网站 | 日韩国产欧美综合 | 亚洲综合99 | 欧美高清在线一区二区 | 澳门 成人av | 66亚洲丁香婷婷综合久久 | 国产乱精品女同自线免费 | 大地资源影视在线观看免费 |