10 valves national standard will come into effect on July 1
By the state administration of quality supervision, inspection and quarantine, the national standardization management committee approval, issued on December 10, 2015 "high-pressure ultra-high pressure relief valve off-line calibration and evaluation" 296 national standards, such as take effect from July 1, 2016. Among them, there are 10 valve standard.
GB/T 12224-2015 "the general requirements of steel valves will replace the standard of GB/T 12224-2005 valve,,
GB/T 12247-2015 "will replace the original classification of steam trap" GB/T 12247-1989 standard of valve,
GB/T 17213.1 2015 "part 1: industrial process control valve control valve terms and conditions" will replace the original standard of GB/T 17213.1 1998 valve,
GB/T 17213.4 2015 "industrial process control valve part 4: test and routine test" will replace the original standard of GB/T 17213.4 2005 valve,
GB/T 17213.8 2015 "industrial process control valves - part 1:8 considering the laboratory measurement of noise produced by the aerodynamic flow through control valves noise" will replace the original standard of GB/T 17213.8 1998 valve,
GB/T 17213.10 2015 "industrial process control valves - part 4:2 inherent flow characteristics and adjustable flow capacity than" will replace the original standard of GB/T 17213.10 2005 valve,
GB/T 17213.16 2015 "industrial process control valves - part 4:8 noise consider hydrodynamic flow through control valves produced by noise prediction method" will replace the original standard of GB/T 17213.16 2005 valve,
GB/T 17213.18 2015 "industrial process control valve part 9: the step input response measurement test procedure".
GB/T 32290-32290 "water supply system with elastic sealing light gate valve"
english
chinese
