Root Reason and Solution Research of ASG TDFP Steam Inlet Isolating Valve Failure to Open

BAO Yongke; TIAN Kuo; WANG Langlang

Mar. 2025

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BAO Yongke, TIAN Kuo, WANG Langlang. Root Reason and Solution Research of ASG TDFP Steam Inlet Isolating Valve Failure to Open[J]. Nuclear Power Engineering, 2013, 34(S2): 73-76.

Citation:

BAO Yongke, TIAN Kuo, WANG Langlang. Root Reason and Solution Research of ASG TDFP Steam Inlet Isolating Valve Failure to Open[J]. Nuclear Power Engineering, 2013, 34(S2): 73-76.

BAO Yongke, TIAN Kuo, WANG Langlang. Root Reason and Solution Research of ASG TDFP Steam Inlet Isolating Valve Failure to Open[J]. Nuclear Power Engineering, 2013, 34(S2): 73-76.

Citation:

BAO Yongke, TIAN Kuo, WANG Langlang. Root Reason and Solution Research of ASG TDFP Steam Inlet Isolating Valve Failure to Open[J]. Nuclear Power Engineering, 2013, 34(S2): 73-76.

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Root Reason and Solution Research of ASG TDFP Steam Inlet Isolating Valve Failure to Open

China Nuclear Power Engineering Co. Ltd., Shenzhen, Guangdong, 518057, China

Received Date: 2013-06-28
Rev Recd Date: 2013-07-12

Available Online: 2025-03-08

Abstract

Abstract

Taking the phenomena of CPR1000 nuclear power plant steam inlet isolating valve of ASG TDFP fail to open as an example, combined with on-site commissioning process, this paper analyzed the fault causes base on the stress analysis and the work environment of the valve, and proposed the simple processing methods in the commissioning process and the reconstruction of the valve when nuclear power plants in service.
- CPR1000,
- Steam inlet isolating valve,
- Boiler effect