The hottest National Standardization Administratio

The National Standardization Administration Committee announced a number of valve standards

approved by the General Administration of quality supervision, inspection and quarantine and the National Standardization Administration Committee, 296 national standards such as the "internal hexapod flat round head screw" were issued on December 10, and have been implemented since July 1, 2016. Among them, there are 10 valve standards

with the approval of the General Administration of quality supervision, inspection and quarantine and the National Standardization Administration, 296 national standards such as the "internal hexapod flat round head screw" were issued on December 10 and have been implemented since July 1, 2016. Among them, there are 10 valve standards

gb/t 1222 and general requirements for steel valves will replace the original gb/t valve impact mode: single hammer impact or double hammer impact (also known as twice impact) door standard. The centralized unit is the national valve Standardization Technical Committee, and the drafting units are: Hefei General Machinery Research Institute, Zhonghe suvalve Technology Industry Co., Ltd., Wuhan boiler group valve Co., Ltd., Anhui Tunxi high pressure valve Co., Ltd Henan Kaifeng High Pressure Valve Co., Ltd., Zhejiang Petrochemical Valve Co., Ltd. and Wuzhou Valve Co., Ltd

gb/t "classification of steam traps" will replace the original gb/t valve standard. Its centralized unit is the National Technical Committee for valve standardization. The drafting units are: Yingqiao Machinery Manufacturing Co., Ltd. with high temperature resistance and gloss, Beijing valve factory (Group) Co., Ltd. and Gansu Hongfeng Machinery Co., Ltd

GB/T 17213. Industrial process control valves Part 1: terms and general principles of control valves will replace the original gb/t 17213 Valve standard, gb/t 4. Adopt the national standard dumbbell cutter installed on the rubber punching machine 17213 Industrial process control valves Part 4: Inspection and routine test will replace the original gb/t 17213 Valve standard, gb/t 17213 Industrial process control valves Part: Noise considerations laboratory measurement of noise generated by aerodynamic flow through control valves will replace the original gb/t 17213 Valve standard, gb/t 17213 Industrial process control valves Part: flow capacity, inherent flow characteristics and adjustable ratio will replace the original gb/t 17213 Valve standard, gb/t 17213 Industrial process control valves - Part: Noise considerations - prediction method of noise generated by hydraulic flow through control valves will replace the original gb/t 17213 And the new standard gb/t 17213 Industrial process control valves Part 9: test procedures for step input response measurement. The centralized units of the above six valve standards are the national industrial process measurement control and automation Standardization Technical Committee, and the drafting units are: Shanghai Institute of industrial automation instrumentation, Emerson Process Management (Tianjin) valve Co., Ltd., Chongqing Chuanyi regulating valve Co., Ltd., Chongqing Shizhuang Instrument Co., Ltd Fuyang South valve industry Co., Ltd., Hangzhou Lianggong Valve Co., Ltd

the centralized unit of gb/t "elastic seal light gate valve for water supply system" is the National Technical Committee for valve standardization, and the drafting units are: Hefei General Machinery Research Institute, Anhui Hongxing Valve Co., Ltd., Shanghai Huatong Valve Co., Ltd., Anhui Baihu Valve Factory Co., Ltd., Shanghai Guanlong Valve Machinery Co., Ltd., Ningbo amerco copper valve Co., Ltd., Anhui Fangxing industry (Group) Co., Ltd

gb/t "offline verification and evaluation of high pressure and ultra high pressure safety valves" is under the jurisdiction of the National Technical Committee for standardization of safety relief devices. The drafting units are: Nanjing boiler and pressure vessel inspection and Research Institute, Nanjing Jinchuang non ferrous metal technology development Co., Ltd., Wuhan Huake energy and Environment Technology Co., Ltd., Tianjin Institute of special equipment supervision and inspection technology, Nanjing Institute of standardization Harbin Power Station Valve Co., Ltd. of Harbin Electric Power Group