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： 好男人社区神马在线观看www | 国产无套露脸视频在线观看 | 91精品无码久久久久久久久 | 精品视频免费在线 | 91tv官网精品成人亚洲 | 亚洲深夜福利在线 | 一个色综合色 | 久久精品这里都是精品免费 | 亚洲天堂久久久久久久 | 999热这里只有精品 久草网视频在线观看 | 精品国产1区 | 日本超乳排名100位 99精品国产一区二区三区在线观看 | 麻豆国产在线视频 | 日韩爱爱视频 | 想看一级毛片 | 成人视频在线观看 | 一区二区三区在线观看视频 | 99在线国产| 日韩一级完整毛片 | 国产91亚洲 | 欧美9页 | 久久久久久久久国产精品 | 久久无码精品一区二区三区 | a级视频毛片 | www.爱久久 | 欧美日韩二 | 特黄特色大片免费播放器图片 | 91福利国产成人精品照片 | 久久久91精品国产一区二区精品 | 91精品国产综合久久四虎久久 | 国产在线精品一区二区在线播放 | 91av视频在线免费观看 | 我要看毛片播放器 | 久久蜜桃资源一区二区老牛 | 麻豆国产一区 | 久久www免费人成精品 | 久久久久亚洲AV无码专区首JN | 午夜精品一区二区三区在线视频 | 欧美一区激情视频在线观看 | 成人免费一级淫片 | 天天艹夜夜 |