ML17296A823

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Suppls 800208 Response to IE Bulletin 79-28, Possible Malfunction of Namco EA180 Limit Switches at Elevated Temps. Subj Switch Is Supplied on 1.5-inch Pneumatic Operated Gate Valve.Gaskets Replaced Prior to Shipment
ML17296A823
Person / Time
Site: Palo Verde  Arizona Public Service icon.png
Issue date: 03/11/1980
From: Van Brunt E
ARIZONA PUBLIC SERVICE CO. (FORMERLY ARIZONA NUCLEAR
To: Engelken R
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION V)
References
APP-15007-JMA, IEB-79-28, NUDOCS 8007280063
Download: ML17296A823 (2)


Text

P~c WQC3M(Q lX (QCSEQEBRH'P P. O. BOX 2I666 PHOENIX'RIZONA 85036 March 11, 1980 ANPP-15007 - JMA/WFQ 4::/ Docket Nos. 50-528, 529, 530 Mr. R. H. Engelken, Director U.S. Nuclear Regulatory Commission Region V 202 Walnut Creek Plaza 1990 N. California Boulevard Walnut Creek, California 94591

Subject:

NRC I8E Bulletin No; 79-28 Possible Malfunction of Namco Model EA180 Limit Switches at Elevated Temperature File: D.4.01;1;'80-005-'026

Reference:

(A) ANPP-14788 - JMA/WFQ dated February 8, 1980

Dear Mr. Engelken:

This letter serves to supplement our original response, Reference (A), to NRC I8E Bulletin No. 79-28.

We have determined. that the subject limit switch is also supplied on a l-l/2 inch pneumatic operated gate valve, CH-580, through a CE purchase order with Borg Warner. Please be advised that Borg Warner has been notified of the concern and has replaced the gaskets on the limit switches, prior to shipment of Valve CH580, as required by the subject Bulletin.

truly yours, v~~

Very .

E.C E. E. Van Brunt, Jr.

APS Vice President, Nuclear Projects ANPP Project Director EEVBJr/WFQ/av cc: J. M. Allen J. A. Roedel F. W; Hartley W. H. Wilson C. Ferguson NRC Office of Inspection & Enforcement Division of Reactor Inspection Programs Washington, D.C. 20555 80072 0

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