On December 29, the State Administration of Quality Supervision, Inspection and Quarantine and the National Standardization Administration approved 1090 national and 4 national standards such as Technical Specifications for Nickel and Nickel Base Alloy Castings for Industrial Valves and Technical Specifications for Stainless Steel Forgings for Industrial Valves. Revised single and 51 national standard foreign language editions. Among them, there are 11 items of national standards for valves, and there are 4 foreign standards for the release of national standards for valves. details as follows: First, the newly approved national standards 1. Technical conditions for nickel and nickel-base alloy castings for industrial valves (standard number: GB/T35740-2017); Drafted by: Lanzhou High Pressure Valve Co., Ltd., Hefei General Machinery Research Institute, Datong Mutual Group Co., Ltd., Jiangsu Wanheng Foundry Co., Ltd., Xuanda Industrial Group Co., Ltd., Anhui Yingliu Mechanical and Electrical Co., Ltd., Shanghai Zhongzhou Special Alloy Material Co., Ltd., and Bethel Valve Group Co., Ltd.; Implementation date: 2018-07-01 2. Technical conditions of stainless steel forgings for industrial valves (standard number: GB/T); Drafted by: Dalian Dagao Valve Co., Ltd., Anhui Tunxi High Pressure Valve Co., Ltd., Zhejiang Pump Valve Product Quality Inspection Center, Jiangsu Yi Valve Group Co., Ltd., Bethel Valve Group Co., Ltd., Kairuite Valve Industry Co., Ltd., Nantong Power Station Valve Co., Ltd.; Implementation Date: 2018-07-01 3. Marine center type butterfly valve (standard number: GB/T 3036-2017); Drafted by: Dalian Shipbuilding Heavy Industry Group Co., Ltd., Dalian Marine Valve Co., Ltd., Fujian Mawei Shipbuilding Co., Ltd.; instead of the national standard number: GB/T 3036-1994; implementation date: 2018-07-01 4. Marine double-eccentric butterfly valve (standard number: GB/T 3037-2017); Drafting unit: Dalian Marine Valve Co., Ltd.; instead of the national standard number: GB/T 3037-1994; implementation date: 2018-07-01 5. Industrial process control valves. Part 2-1: Formula for calculation of fluid flow under installation conditions of flow capacity (standard number: GB/T17213.2-2017); Drafted by: Shanghai Industrial Automation Instrumentation Research Institute, Zhejiang Yongsheng Technology Co., Ltd. Company, Hangzhou Lianggong Valve Co., Ltd., Hangzhou Fuyang South Valve Co., Ltd., Shanghai Valve Special Fluid Control Valve Co., Ltd., Zhejiang Paiwo Automatic Control Instrument Co., Ltd., Wuxi Smart Automation Engineering Co., Ltd.; instead of national standards: GB/T 17213.2 -2005; Implementation date: 2018-07-01 6. Industrial Process Control Valves Part 7: Control Valve Data Sheet (Standard Number: GB/T 17213.7-2017); Drafted by: Shanghai Industrial Automation Instrumentation Research Institute, Zhejiang Yongsheng Technology Co., Ltd., Hangzhou Lianggong Valve Co., Ltd. Hangzhou Fuyang Southern Valve Co., Ltd., Shanghai Valve Special Fluid Control Valve Co., Ltd., Zhejiang Paiwo Automatic Control Instrument Co., Ltd., Wuxi Intelligent Automation Engineering Co., Ltd.; replaces national standards: GB/T 17213.7-1998; implementation date: 2018-07 -01 7. Industrial Process Control Valves Part 8-3: Noise Considerations Noise Prediction Method for Aerodynamic Flow Flow through Control Valves (Standard Number: GB/T 17213.15-2017); Drafted by: Shanghai Institute of Industrial Automation Instrumentation, Zhejiang Yongsheng Technology Co., Ltd., Hangzhou Lianggong Valve Co., Ltd., Hangzhou Fuyang South Valve Co., Ltd., Shanghai Valve Special Fluid Control Valve Co., Ltd., Zhejiang Paiwo Automatic Control Instrument Co., Ltd., Wuxi Smart Automation Engineering Co., Ltd.; instead of the standard: GB /T 17213.15-2005; Implementation date: 2018-07-01 8. Valves for cryogenic insulated gas cylinders Part 1: Pressure regulators (standard number: GB/T 34530.1-2017); Drafted by: Ningbo Sanan Valve Co., Ltd., Danyang Flywheel Gas Valve Co., Ltd., Shanghai Special Equipment Supervision and Inspection Technical Research Institute, Zhangjiagang Furui Special Equipment Co., Ltd., Thunder Valve (Shanghai) Co., Ltd., Zhejiang Golden Shield Fire Equipment Co., Ltd.; Implementation Date: 2018-07-01 9. Piston Balanced Water Pump Control Valve (Standard Number: GB/T); Drafted by: Guangdong Yongquan Valve Technology Co., Ltd., Beijing Municipal Engineering Design Research Institute Co., Ltd., Beijing Yongquan Tengda Valve Technology Co., Ltd. Company, Tianjin Yongquan Valve Technology Co., Ltd.; Implementation date: 2018-11-01 10. Anti-cavitation type prevention water hammer discharge valve (standard number: GB/T); Drafted by: Guangdong Yongquan Valve Technology Co., Ltd., Shanghai Municipal Engineering Design Research Institute (Group) Co., Ltd., Tianjin Ai Jie Environmental Protection Technology Engineering Co., Ltd., Beijing Yongquan Tengda Valve Technology Co., Ltd., Tianjin Yongquan Valve Technology Co., Ltd., Tianjin Jien Duo Valve Co., Ltd.; implementation date: 2018-11-01 11. Self-closing liquefied petroleum gas bottle valve (standard number: GB/T); Drafted by: Shanghai Institute of Special Equipment Supervision and Inspection Technology, Shanghai Yongzhan Machinery Electric Co., Ltd., China City Gas Association LPG Cylinder Professional Committee, Ningbo Jinjiajia Valve Co., Ltd., Zhejiang Mingshi Xingxin HVAC Technology Co., Ltd., Yangzhou Anyi Valve Co., Ltd.; implementation date: 2018-07-01 Second, the national standard foreign language version 1. Iron and copper threaded connection valves (standard number: GB/T) English name: Cast iron and copper valves with screwed connections, drafted by: Hefei General Machinery Research Institute, Yangzhou Power Equipment Repair Factory, Changzhou Power Station Auxiliary Machinery Factory Co., Ltd., Huangshan Liangye Valve Co., Ltd., Tianjin Baili Ertong Machinery Co., Ltd. and so on. 2. Technical specifications of explosion-proof valve electric device (standard number: GB/T24922-2010) English name: Technical specifications of explosion-proof version electric valve actuators, drafted by: Hefei General Machinery Research Institute, Tianjin Baili Ertong Machinery Co., Ltd. , Tianjin Ectite Valve Control Equipment Co., Ltd., Teflon Group Co., Ltd., Huangshan Liangye Valve Co., Ltd. and so on. 3. Technical conditions of common type valve electric device (standard number: GB/T) English name: Technical specifications of basic version electric valve actuators, drafted by: Tianjin Baili Ertong Machinery Co., Ltd., Hefei General Machinery Research Institute, Yangzhou Electric Power Equipment Repair Factory and Changzhou Power Station Auxiliary Machinery Plant Co., Ltd. 4. Intelligent valve electric device (standard number: GB/T) English name: Intelligent valve electric actuators, drafted by: Hefei General Machinery Research Institute, Yangzhou Electric Power Equipment Repair Factory, Changzhou Power Station Auxiliary Machinery Factory Co., Ltd. Huangshan Liangye Valve Co., Ltd., Tianjin Baili Ertong Machinery Co., Ltd. and so on. Polycarbonate Solid Sheet ,Solid Polycarbonate Roofing Sheets,Clear Solid Polycarbonate Sheet,4Mm Solid Polycarbonate Sheet NINGBO CHAOMEI PLASTIC CO.,LTD , https://www.pcban88.com