ENS 57167
ENS Event | |
|---|---|
04:00 Jun 7, 2024 | |
| Title | Part 21 Report - Check Valve Fails Bench Test |
| Event Description | The following is a synopsis of information received via email:
Flowserve Corporation identified a defect with their 0.5 inch model 1878 piston check valve during bench testing. The piston check valve with adjustable cracking pressure received by Duke Energy Catawba Nuclear Station failed bench test performance for designed cracking pressure with an allowable range of 180 - 220 psig. The valve is used to provide overpressure protection of containment penetration piping due to thermal expansion of fluid trapped between the containment isolation valves when the valves are closed. The valves are required to crack open before the maximum 220 psig setpoint to perform this function. Corrective actions include revising Flowserves assembly and test procedures for the 0.5 inch model 1878 piston check valve. Affected known plant: Catawba Nuclear Station The name and address of the individual reporting this information is: Aaron G. Goodbar Nuclear Quality Assurance Manager Flowserve Corporation 1900 S. Saunders St. Raleigh, NC 27603 1-888-200-5389 |
| Where | |
|---|---|
| Flowserve Raleigh, North Carolina (NRC Region 2) | |
| Organization: | Flowserve |
| Reporting | |
| 10 CFR 21.21(d)(3)(i), Failure to Comply or Defect | |
| Time - Person (Reporting Time:+14.5 h0.604 days <br />0.0863 weeks <br />0.0199 months <br />) | |
| Opened: | Aaron G. Goodbar 18:30 Jun 7, 2024 |
| NRC Officer: | Natalie Starfish |
| Last Updated: | Jun 10, 2024 |
| 57167 - NRC Website
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Flowserve with 10 CFR 21.21(d)(3)(i), Failure to Comply or Defect | |
WEEKMONTHYEARENS 571672024-06-07T04:00:0007 June 2024 04:00:00
[Table view]10 CFR 21.21(d)(3)(i), Failure to Comply or Defect Part 21 Report - Check Valve Fails Bench Test ENS 562192022-09-11T04:00:00011 September 2022 04:00:00 10 CFR 21.21(d)(3)(i), Failure to Comply or Defect Part 21 - Flowserve Solenoid Valve Deficiency Report ENS 559742022-02-02T04:00:0002 February 2022 04:00:00 10 CFR 21.21(d)(3)(i), Failure to Comply or Defect Part 21 REPORT- Failure of Flowserve Solenoid Coil ENS 555052021-08-04T04:00:0004 August 2021 04:00:00 10 CFR 21.21(d)(3)(i), Failure to Comply or Defect Part 21 - Actuator Failure ENS 538912019-02-20T05:00:00020 February 2019 05:00:00 10 CFR 21.21(d)(3)(i), Failure to Comply or Defect Part 21 Report - Flowserve Valve Assist Springs May Prevent Full Closure ENS 522122016-08-31T04:00:00031 August 2016 04:00:00 10 CFR 21.21(d)(3)(i), Failure to Comply or Defect Part 21 Notification - Flowserve Swing Check Valves ENS 481572012-08-03T04:00:0003 August 2012 04:00:00 10 CFR 21.21(d)(3)(i), Failure to Comply or Defect Part 21 - Defective Valve Seal Cap ENS 480042012-05-25T04:00:00025 May 2012 04:00:00 10 CFR 21.21(d)(3)(i), Failure to Comply or Defect Part 21 Report - Published Flow Coefficients for Pilot Operated Relief Valves Greater than Actual 2024-06-07T04:00:00 | |