ML17223A745

Part 21 Rept Re Backup Rings Furnished in Spare Parts Seal Kits & in 25 Gpm 4 Way Valves as Part of Actuators Made of Incorrect Matl.Rings Should Be Viton & Have Been Identified as Buna N

ML17223A745
Person / Time
Site:	Palo Verde, Wolf Creek, Byron, Braidwood, Summer, Callaway, Waterford, 05000000
Issue date:	01/26/1990
From:	KNECHT W G ANCHOR/DARLING VALVE CO.
To:	NRC OFFICE OF ENFORCEMENT (OE)
References
REF-PT21-90-018-000 PT21-90-018-000, PT21-90-18, NUDOCS 9002160186
Download: ML17223A745 (10)

Text

Anchor/Darling ValveCompany701FlRSTSTREETP.O.BOX3425WILLIAMSPORT, PA17701~28(717)327~TELEX:759953January26,1990Director-OfficeofInspection 8Enforcement USNuclearRegulatory Commission Washington, DC20555

Subject:

10CFR21Reportable IncidentGentlemen:

.AproblemrelatingtoFeedwater Isolation Valveactuators thatwefurnished toKansasGasandElectric, WolfCreekhasbeenidentified byWolfCreekpersonnel.

~Baokurincisfurnished insparepartssealkitsandpossiblyinthe25GPMfour-wayvalveswhicharepartoftheactuators areofincorrect material.

ThebackupringsshouldbeVitonandhavebeenidentified byWolfCreekasBunaN.Allcustomers thathaveactuators withTeledyne-Republicfour-wayvalveswillbenotifiedofthisproblem.Thefollowing plantsiteshaveequipment thatmayhavewrongbackupringmaterialfurnished.

Commonwealth EdisonByronUnits1and2Braidwood Units1and2UnionElectricGallowayKansasGasandElectricWolfCreekWashington PublicPowerSupplyUnit1Unit3SouthCarolinaElectricandGasVCSummerLouisiana PowerandLightWaterford 3

A~ps'ij$~4>>lVyl, January26,1990DirectorPage2ArizonaPublicServicesPaloVerdeUnits1,2,and3Shouldyourequireadditional information, pleasecontactMr.F.A.Bensinger orthewriter.Sincerely, W.G.KnechtWGK/jfcc:A.F.J.R.G.H.F.E.CaronA.Bensinger J.ChappellW.DommersW.KnieserR.Patterson Velez

\~~Anchor/Darling ValveCompany701FlRSTSTREETP.O.BOX8428WILLIAMSPORT, PA17701~8TELEX:759953January30,1990FLORIDAPOWER8LIGHTCOMPANYP.O.Box1200JensenBeach,FL34958Attention:

EdPriest

Subject:

HSIV/FWIV ActuatorHydraulic 4-WayValves/Rebuild Kits

Reference:

P.O.No.NY-422702 St.Lucie'NuclearPlant-Unit2A/DVS.O.E-9328Gentlemen:

TheWolfCreeksitehasdetermined thatsomeofthesubjectrebuildkitssuppliedbyAnchor/Darling ValveCompanycontainbackupringsofincorrect

material, BunaNnotViton.Subsequent checksatA/DVhavealsofoundsomeofthesubjectrebuildkitsatA/DVtocontainbackupringsofincorrect material.

Useoftheincorrect materialinthehydraulic systemcouldcauseoperational problemswiththeactuators andthatcouldadversely affectthesafetyrelatedfunctionoftheMSIV's/FWIV's.

ThisproblemhasbeenreportedtotheNRCbyA/DV.Becauseofthefinding,the4-Wayvalvesand4-WayvalverebuildkitssuppliedbyA/DVmaycontainnon-viton 0-ringsandbackuprings.These0-ringandbackupringmaterials shouldbeverifiedasViton.IftheyarenotViton,theyshouldbereplacedwithViton.Werecommend thataspecificgravity(S.G.)testbeusedforverification testing.BlackViton0-rings/Backup rings(S.G.1.85a.03)shouldsinkina1.75S.G.salinefluidbutfloatina1.95S.G.salinefluid.BrownViton0-rings/Backup rings(S.G.2.14+.03)shouldsinkina1.95S.G.salinefluidbutfloatina2.22S.G.salinefluid.BunaN0-rings/Backup ringsshouldfloatin1.75orhigherS.G.salinefluid.Attheconclusion ofthespecificgravitytest,thesalinesolutionshouldberinsedfromthesealsandthesealsdried.Continued

.

FLORIDAPOWER5LIGHTCOt1PANYAttention:

EdPriestPageTwoJanuary30,1990A/DVhassupplied4-Wayvalvesunderthefollowing identification numbers:MSIV4-WayValves(75gpmValves)Teledyne-Republic Model823304-7001-2853

/A/DVM19595FMIV4-WayValves(25gpmValves)Teledyne-Republic Model823104-7001-2853

/A/DVW19488A/DVhassupplied4-Wayvalverebuildkitsunderthefollowing identification numbers:NSIV4-MayValve(75gpmValves)RebuildKits-TeledyneRepublic802090-2330-2802 A/DVNos.:W30565M31357M31443W32411M33088FMIV4-WayValve(25gpmValves)RebuildKits-TeledyneRepublic802090-2310-2802 A/DVNos.:W30572M30655W31184W31349M32413W32443M32560M32941InresponsetoEPRINP-5652,A/DVhasimplemented adedication programwithinthelastyear.A/DV'sdedication programincludestheabovementioned specificgravitytestofViton0-ringsandbackuprings.Asaresult,thepossibility ofA/DVsupplying incorrect materialforsealsforsafetyrelatedcomponents isminimized.

Therebuildkitscontaining theincorrect backupringmaterialwerenotpreviously processed throughA/DV'sdedication program.Shouldyourequireadditional information ontheabove,pleasecontactF.A.Bensinger at(717)327-4866orW.G.Knechtat(717)327-4811.

Sincerely, ACHORDARLINGVALVECOMPANYJI.Taylor,Jr.ContractAdministato/eucc:F.A.Bensinger W.G.KnechtH.L.Patterson G.R.ParksF.VelezS.O.No.E-9328 Anchor/Darling ValveCompany7O1flRSTSTREETP.O.BOX3428WlLLIAMSPORT, PA17701~8TELEX:759953Ijanuary31,1990GEORGIAPOWERCOMPANYPlantAlvinW.VogtleP.O.Box282Waynesboro, GA30830Attention:

RandyChitwood

Subject:

MSIV/FWIV ActuatorHydraulic 4-WayValves/Rebuild Kits

Reference:

P.O.No.PAV2-84PlantAlvinW.VogtleA/OVS.O.E-9000Gentlemen:

TheWol,fCreeksitehasdetermined thatsomeofthesubjectrebuildkitssuppliedbyAnchor/Darling ValveCompanycontainbackupringsofincorrect

material, BunaNnotViton.Subsequent checksatA/DVhavealsofoundsomeofthesubjectrebuildkitsatA/OVtocontainbackupringsofincorrect material.

Useoftheincorrect materialinthehydraulic systemcouldcauseoperational problemswiththeactuators andthatcouldadversely affectthesafetyrelatedfunctionoftheMSIV's/FWIV's.

ThisproblemhasbeenreportedtotheNRCbyA/OV.Becauseofthefinding,the4-Wayvalvesand4-WayvalverebuildkitssuppliedbyA/DVmaycontainnon-viton 0-ringsandbackuprings.These0-ringandbackupringmaterials shouldbeverifiedasViton.IftheyarenotViton,theyshouldbereplacedwithViton.Werecommend thataspecificgravity(S.G.)testbeusedforverification testing.BlackViton0-rings/Backup.

rings(S.G.1.85a.03)shouldsinkina1.75S.G.salinefluidbutfloatina1.95S.G.salinefluid.BrownViton0-rings/Backup rings(S.G.2.14t.03)shouldsinkina1.95S.G.salinefluidbutfloatina2.22S.G.salinefluid.BunaN0-rings/Backup ringsshouldfloatin1.75orhigherS.G.salinefluid.Attheconclusion ofthespecificgravitytest,thesalinesolutionshouldberinsedfromthesealsandthesealsdried.Continued

.

GEORGIAPOWERCOMPANYAttention:

RandyChitwoodPageTwoJanuary31,1990A/DVhassupplied4-Wayvalvesunderthefollowing identification numbers:NSIV4-WayValves(75gpmValves)Teledyne-Republic Model823304-7001-2853

/A/DVW19595FWIV4-WayValves.(25gpmValves)Teledyne-Republic Model823104-7001-2853

/A/DVM19488A/DVhassupplied4-Wayvalverebuildkitsunderthefollowing identification numbers:MSIV4-MayValve(75gpmValves)RebuildKits-TeledyneRepublic802090-2330-2802 A/DVNos.:M30565M31357W31443W32411W33088FMIV4-WayValve(25gpmValves)RebuildKits-TeledyneRepublic802090-2310-2802 A/DVNos.:M30572M30655M31184M31349M32413W32443W32560M32941InresponsetoEPRINP-5652,A/DV.hasimplemented adedication programwithinthelastyear.A/DV'sdedication programincludestheabovementioned specificgravitytestofViton0-ringsandbackuprings.Asaresult,thepossibility ofA/DVsupplying incorrect materialforsealsforsafetyrelatedcomponents isminimized.

Therebuildkitscontaining theincorrect backupringmaterialwerenotpreviously processed throughA/DV'sdedication program.Shouldyourequireadditional information ontheabove,pleasecontactF.A.Bensinger at(717)327-4866orW.G.Knechfat(717)327-4811.

Sincerely, ANCHOR/DARLING VALVECONPANYRobertaL.BergmanContractAdministrato~

/eucc:F.A.Bensinger G.R.ParksM.G.KnechtF.VelezH.L.Patterson S.O.No.E-9000 Anchor/Darling ValveCompany,701RRSTSTRm'.O.BOX342SWILLIAMSPORT, PA17701~P17)327~TELEX:759953January30,1990NORTHEAST UTILITIES NUCLEARENERGYCOMPANYPurchasing Department P.O.Box1928Hartford, CT06144-1928 Attention:

ManagerofPurchasing

Subject:

MSIV/FWIV ActuatorHydraulic 4-WayValves/Rebuild Kits

Reference:

P.O.No.2362.850-476-13 Millstone NuclearPowerStation,Unit3A/DVS.O.E-9450Gentlemen:

TheWolfCreeksitehasdetermined thatsomeofthesubjectrebuildkitssuppliedbyAnchor/Darling ValveCompanycontainbackupringsofincorrect

material, BunaNnotViton.Subsequent checksatA/DVhavealsofoundsomeofthesubjectrebuildkitsatA/DVtocontainbackupringsofincorrect material.

Useoftheincorrect materialinthehydraulic systemcouldcauseoperational problemswiththeactuators andthatcouldadversely affectthesafetyrelatedfunctionoftheMSIV'/FWIV'.ThisproblemhasbeenreportedtotheNRCbyA/DV.Becauseofthefinding,the4-Wayvalvesand4-WayvalverebuildkitssuppliedbyA/DVmaycontainnon-viton 0-ringsandbackuprings.These0-ringandbackupringmaterials shouldbeverifiedasViton.IftheyarenotViton,theyshouldbereplacedwithViton.Werecommend thataspecificgravity(S.G.)testbeused.forverification testing.BlackViton0-rings/Backup rings(S.G.1.85a.03)shouldsinkina1.75S.G.salinefluidbutfloatina1.95S.G.salinefluid.BrownViton0-rings/Backup rings(S.G.2.14+.03)shouldsinkina1.95S.G.salinefluidbutfloatina2.22S.G.salinefluid.BunaN0-rings/Backup ringsshouldfloatin1.75orhigherS.G.

salinefluid.Attheconclusion ofthespecificgravitytest,thesalinesolutionshouldberinsedfromthesealsandthesealsdried.Continued

.

NORTHEAST UTILITIES NUCLEARENERGYCOMPANYAttention:

Manager'ofPurchasing PageTwoJanuary30,1990A/DVhassupplied4-Wayvalvesunderthefollowing identification numbers:.MSIV4-WayValves(75gpmValves)Teledyne-Republic Model823304-7001-2853

/A/DVW19595FWIV4-WayValves(25gpmValves)Teledyne-Republic Model823104-7001-2853

/A/DVW19488A/DVhassupplied4-Wayvalverebuildkitsunderthefollowing identification numbers:MSIV4-WayValve(75gpmValves)RebuildKits-TeledyneRepublic802090-2330-2802 A/DVNos.:W30565W31357W31443W32411W33088FWIV4-WayValve(25gpmValve)RebuildKits-TeledyneRepublic802090-2310-2802 A/DVNos.:W30572W30655W31184W31349W32413W32443W32560W32941InresponsetoEPRINP-5652,A/DVhasimplemented adedication programwithinthelastyear.A/DV'sdedication programincludestheabovementioned specificgravitytestofViton0-ringsandbackuprings.Asaresult,thepossibility ofA/DVsupplying incorrect materialforsealsforsafetyrelatedcomponents isminimized.

Therebuildkitscontaining theincorrect backupringmaterialwerenotpreviously processed throughA/DV'sdedication program.Shouldyourequireadditional information ontheabove,pleasecontactF.A.Bensinger at(717)327-4866orW.G.Knechtat(717)327-4811.

Sincerely, ANCHOR/DARLING VALVECOMPANY.I.Taylor,JCntractAdmsns/eucc:F.A.Bensinger W.G.KnechtH.L.Patterson F.R.CarraroF.VelezS.O.E-9450 0~.~y