ML18075A355

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10 CFR Part 21 Notification of Defect on Crane Nuclear Figure Number 83 1/2 Spl 10x8x10 and 6x4x6 Bolted Bonnet Gate Valve
ML18075A355
Person / Time
Site: Browns Ferry, Cooper, Pilgrim, Brunswick  Tennessee Valley Authority icon.png
Issue date: 03/06/2018
From: Jeffrey Hamman
Crane Nuclear
To:
Document Control Desk, Office of Nuclear Reactor Regulation
References
Download: ML18075A355 (2)


Text

TELEPHONE (630) 226-4900 FAX (630)226-4646 www. crane nuclear. com I CRAN E.,i NUCLEAR CRANE NUCLEAR, INC. 860 REMINGTON BOULEVARD BOLINGBROOK, IL. 60440 March 6, 2018 Attn: Document Control Desk U.S. Nuclear Regulatory Commission Washington, D.C. 20555-001

Subject:

10 CPR Part 21 Notification of Defect on Crane Nuclear Figure Number 83 Yi SPL 10"x8"x10" and 6"x4"x6" Bolted Bonnet Gate Valve This letter provides notification of a defect on Crane Nuclear Figure Number 83 Yi SPL 10"x8"xl0" and 6"x4"x6" valve components.

(i) Name and address of the individual or individuals informing the Commission.

Joyce Hamman Director, Safety and Quality Burt Anderson Site Leader Samson Kay Engineering Manager Crane Nuclear 860 Remington Blvd Bolingbrook, IL 60440 (ii) Identification of the basic component supplied for such facility or such activity within the United States which may fail to comply or contains a potential defect.

Crane Nuclear Figure Number 83 Yi SPL 10"x8"x10" and 6"x4"x6" Bolted Bonnet Gate Valve (iii) Identification of the firm supplying the basic component which fails to comply or contains a defect.

Crane Nuclear, Inc.

860 Remington Blvd Bolingbrook, IL 60440 (iv) Nature of the defect or failure to comply and the safety hazard which is created or could be created by such defect or failure to comply A Crane Nuclear Figure Number 83 Yi SPL 10"x8"xl0" Bolted Bonnet Gate Valve supplied to Duke Energy experienced a packing blowout on 12/17/17. Preliminary review of the packing design suggested that the packing clearances within the stuffing box were larger than standards specified by MSS-SP-120. Dimensions for parts such as the gland and stuffing box were based on drawings Crane Nuclear Figure Number 83 Yi , which consolidates and tabulates dimensions needed to fabricate the parts based on stem dimensions. Review of the component drawings made for the Crane Nuclear Figure Number 83 Yi SPL 10"x8"x10" and 6"x4"x6" Bolted Bonnet Gate Valve determined that the outside diameter of the gland for the 10"x8"x10" and 6"x4"x6" Page 1 of2

TELEPHONE (630) 226-4900 FAX (630)226-4646 www .cranenuclear.com CRANIE 1

'--~~~~~~NUCLEAR CRANE NUCLEAR, INC. 860 REMINGTON BOULEVARD BOLINGBROOK, IL. 60440 valves was incorrectly transcribed, resulting in an undersized condition for the packaging gland and excess diametric clearance between the gland and stuffing box.

(v) The date on which the information of such defect or failure to comply was obtained.

Duke Energy's Brunswick facility notified Crane on 12/20/2017. Crane began research under Corrective Action Report 17-36 (Later Changed to 18-01) on 12/22/18.

(vi) In the case of a basic component which contains a defect or fails to comply, the number and location of these components in use at, supplied for, being supplied for, or may be supplied for, manufactured, or being manufactured for one or more facilities or activities subject to the regulations in this part.

CNI Sales Order Valve Size Licensee 33663 10x8x10 NPPD - Cooper Station (sold to Browns Ferry) 41030 10x8x10 TVA- Browns Ferry 41115 10x8x10 TVA- Browns Ferry 41619 10x8x10 NPPD - Cooper Station 43725 10x8x10 Duke Energy - Brunswick 45441 10x8x10 Duke Energy - Brunswick 4378 6x4x6 Entergy - Pilgrim (vii) The corrective action which has been, is being, or will be taken; the name of the individual or organization responsible for the action; and the length of time that has been or will be taken to complete the action.

Drawings for Crane Nuclear Figure Number 83-1/2 SPL 1O"x8"xl O" and 6"x4"x6" valve components have been corrected. Additionally, notification is being made to each customer noted above.

(viii) Any advice related to the defect or failure to comply about the facility, activity, or basic component that has been, is being, or will be given to purchasers or licensees.

CNI Recommends that the gland be replaced to tighten clearances to meet MSS-SP-120 requirements.

(ix) In the case of an early site permit, the entities to whom an early site permit was transferred.

Not applicable.

Should you have any questions regarding this matter, please contact me, Joyce Hamman, Director, Safety & Quality at (678) 451-2280, Burt Anderson, Site Leader, at (630) 226-4990, or Samson Kay, Engineering Manager at (630) 226-4983.

Regards, Joyce Hamman Director, Safety & Quality Crane Nuclear, Inc.

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