News Center

News Center

"Technical conditions for stainless steel forgings for industrial valves" and other 11 national standards for valves approved for implementation


Release time:

2018-01-09

On December 29, the General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China and the National Standardization Administration approved 1090 national standards, 4 national standards, such as "Technical Conditions for Nickel and Nickel-based Alloy Castings for Industrial Valves" and "Technical Conditions for Stainless Steel Forgings for Industrial Valves. Which involves the valve national standard 11, and there are 4 valve national standard foreign version of the release.

On December 29, the General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China and the National Standardization Administration approved 1090 national standards, 4 national standards, such as "Technical Conditions for Nickel and Nickel-based Alloy Castings for Industrial Valves" and "Technical Conditions for Stainless Steel Forgings for Industrial Valves. Which involves the valve national standard 11, and there are 4 valve national standard foreign version of the release. Specific as follows:

1. newly approved national standards

1. Technical conditions for nickel and nickel-based alloy castings for industrial valves (standard number: GB/T35740-2017); Implementation date: 2018-07-01

2. Technical conditions for stainless steel forgings for industrial valves (standard number: GB/T 35741-2017); Implementation date: 2018-07-01

3. Marine central butterfly valve (standard number: GB/T 3036-2017); Instead of national standard number: GB/T 3036-1994; Implementation date: 2018-07-01

4. Marine double eccentric butterfly valve (standard number: GB/T 3037-2017); Instead of national standard number: GB/T 3037-1994; Implementation date: 2018-07-01

5. Industrial Process Control Valves Part 2-1: Calculation Formula of Fluid Flow under Installation Conditions of Circulation Capacity (Standard No.: GB/T17213.2-2017 ); Replaced national standard: GB/T 17213.2-2005; Implementation date: 2018-07-01

6. Industrial Process Control Valves Part 7: Control Valve Data Sheet (Standard No.: GB/T 17213.7-2017); Replaced national standard: GB/T 17213.7-1998; Implementation date: 2018-07-01

7. Industrial Process Control Valves Part 8-3: Consideration of Noise Prediction Method for Noise Generated by Aerodynamic Flow Through Control Valves (Standard No.: GB/T 17213.15-2017); Substitution standard: GB/T 17213.15-2005; Implementation date: 2018-07-01

8. Valves for cryogenic insulation gas cylinders Part 1: Pressure regulating valves (standard number: GB/T 34530.1-2017); Implementation date: 2018-07-01

9. Piston balanced water pump control valve (standard number: GB/T 35149-2017); Implementation date: 2018-11-01

10. Anti-cavitation type water hammer prevention relief valve (standard number: GB/T 35155-2017); Implementation date: 2018-11-01

11. Self-closing liquefied petroleum gas cylinder valve (standard number: GB/T 35208-2017); Implementation date: 2018-07-01

2. National Standard Foreign Version

1. Iron and copper threaded valves (standard number: GB/T 28270-2012) English name: Cast iron and copper valves with screwed connections.

2. Technical conditions for flameproof valve electric device (standard number: GB/T24922-2010) English name: Technical specifications ofexplosion-proof version electric valve actuators.

3. Technical Conditions for Common Valve Electric Devices (Standard No.: GB/T 24923-2010) English Name: Technical specifications of basic version electric valve actuators.

4. Intelligent valve electric device (standard number: GB/T 28270-2012) English name: Intelligent valve electric actuators.