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Issue date | Title | |
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CP-201700976, Active Safety Function Anchor Darling Double Disc Gate Valves | 18 December 2017 | Active Safety Function Anchor Darling Double Disc Gate Valves |
RIS 2014-07, Regulatory Issue Summary (RIS) 2014-07, Enhancements to the Vendor Inspection Program- Vendor Information Request. Part 4 of 5 | 19 June 2014 | Regulatory Issue Summary (RIS) 2014-07, Enhancements to the Vendor Inspection Program- Vendor Information Request. Part 4 of 5 Regulatory Issue Summary (RIS) 2014-07, Enhancements to the Vendor Inspection Program- Vendor Information Request. Part 5 of 5 |
ML14189A537 | 19 June 2014 | Regulatory Issue Summary (RIS) 2014-07, Enhancements to the Vendor Inspection Program- Vendor Information Request. Part 4 of 5 |
ML20116A034 | 17 July 1996 | Rev 0 to Temp Vs Distance Profile for 10 RHR Line Containing Stagnant Water |
Information Notice 1996-08, Thermally Induced Pressure Locking of a High Pressure Coolant Injection Gate Valve | 5 February 1996 | Thermally Induced Pressure Locking of a High Pressure Coolant Injection Gate Valve |
Information Notice 1994-55, Problems with Copes-Vulcan Pressurizer Power-Operated Relief Valves | 4 August 1994 | Problems with Copes-Vulcan Pressurizer Power-Operated Relief Valves |
Information Notice 1993-77, Human Errors That Result in Inadvertent Transfers of Special Nuclear Material at Fuel Cycle Facilities | 4 October 1993 | Human Errors That Result in Inadvertent Transfers of Special Nuclear Material at Fuel Cycle Facilities |
Information Notice 1993-16, Failures of Not-Locking Devices in Check Valves | 19 February 1993 | Failures of Not-Locking Devices in Check Valves |
Information Notice 1992-67, Deficiency in Design Modifications to Address Failures of Hiller Actuators Upon a Gradual Loss of Air Pressure | 10 September 1992 | Deficiency in Design Modifications to Address Failures of Hiller Actuators Upon a Gradual Loss of Air Pressure |
Information Notice 1992-41, Consideration of Stem Rejection Load In Calculation of Required Valve Thrust | 29 May 1992 | Consideration of Stem Rejection Load In Calculation of Required Valve Thrust |
Information Notice 1992-41, Consideration of Stem Rejection Load in Calculation of Required Valve Thrust | 29 May 1992 | Consideration of Stem Rejection Load in Calculation of Required Valve Thrust |
ML20086F811 | 26 November 1991 | Responds to NRC Bulletin 89-002, Stress Corrosion Cracking Hardness Type 410 Stainless Steel Internal Preloaded Bolting in Anchor/Darling Model S350W Swing Check Valves or Valves of Similiar Design |
NRC Generic Letter 1991-17 | 17 October 1991 | NRC Generic Letter 1991-017: Generic Safety Issue 29, Bolting Degradation or Failure in Nuclear Power Plants. |
Information Notice 1989-56, Questionable Certification of Material Supplied to the Defense Dept. By Nuclear Suppliers | 22 November 1989 | Questionable Certification of Material Supplied to the Defense Dept. By Nuclear Suppliers |
Information Notice 1989-56, Questionable Certification of Material Supplied to the Defense Dept. by Nuclear Suppliers | 22 November 1989 | Questionable Certification of Material Supplied to the Defense Dept. by Nuclear Suppliers |
ML19354D372 | 12 October 1989 | Responds to NRC Bulletin 89-002, Stress Corrosion Cracking of High Hardness Type 410 Stainless Steel Internal Preloaded Bolting in Anchor Darling Model S350W Swing Check Valves of Similar Design. No Subj Swing Check Valves Used at Plants |
IR 05000445/1989030 | 7 July 1989 | Augmented Insp Team Insp Repts 50-445/89-30 & 50-446/89-30 on 890515-0616.Weaknesses Noted.Major Areas Inspected:Check Valve Failures Which Allowed Backflow Through Auxiliary Feedwater Sys During Hot Functional Testing of Unit 1 |
Information Notice 1988-90, Unauthorized Removal of Industrial Nuclear Gauges | 22 November 1988 | Unauthorized Removal of Industrial Nuclear Gauges |
Information Notice 1988-92, Potential for Spent Fuel Pool Draindwon | 22 November 1988 | Potential for Spent Fuel Pool Draindwon |
Information Notice 1988-89, Degradation of Kapton Electrical Insulation | 21 November 1988 | Degradation of Kapton Electrical Insulation |
Information Notice 1988-87, Pump Wear and Foreign Objects in Plant Piping Systems | 16 November 1988 | Pump Wear and Foreign Objects in Plant Piping Systems |
Information Notice 1988-88, Degradation of Westinghouse Ard Relays | 16 November 1988 | Degradation of Westinghouse Ard Relays |
Information Notice 1988-86, Operating with Multiple Grounds in Direct Current Distribution Systems | 21 October 1988 | Operating with Multiple Grounds in Direct Current Distribution Systems |
Information Notice 1988-85, Broken Retaining Block Studs on Anchor Darling Check Valves | 14 October 1988 | Broken Retaining Block Studs on Anchor Darling Check Valves |
Information Notice 1987-08, Degraded Motor Leads in Limitorque DC Motor Operators | 4 February 1987 | Degraded Motor Leads in Limitorque DC Motor Operators |