ML20148E924: Difference between revisions

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=Text=
=Text=
{{#Wiki_filter:'
{{#Wiki_filter:'
(. . .                               {_
(...
              ,                                                                    Telephone 617 366-9011
{_
  ,  't, m
Telephone 617 366-9011
't, m
780 390-0739
780 390-0739
                                                                                          "" * ~ ' '
"" * ~ ' '
YANKEE ATOMIC ELECTRIC 00MPANY 20 Turnpike Road Westborough, Mossochusetts 01581
YANKEE ATOMIC ELECTRIC 00MPANY 20 Turnpike Road Westborough, Mossochusetts 01581 Y
      ,Y~am use .
,~am use May 10, 1976 g
May 10, 1976                         g 4
4 r,
* r,
'N United States Nuclear Regulatory Commission
                                                                                                            'N United States Nuclear Regulatory Commission Washington, D. C. 20555                                       2                               ,[N
,[N Washington, D. C.
                                                                                    /Q ua'   yy                     i 2''                    O L:-       '
20555 2
Attention: Office of Nuclear Reactor Regulation                                       %,ur           ,
/Q
. 2' ua' yy O L:-
Attention: Office of Nuclear Reactor Regulation
%,ur


==Reference:==
==Reference:==
(a) License No. DPR-3       (Docket No. 50-29)
(a)
(b) NRC {{letter dated|date=April 29, 1976|text=letter dated April 29, 1976}}.                         q       ,[aO (c) YR letter, WYR 75-119, dated October 20, 1975.                   '
License No. DPR-3 (Docket No. 50-29)
l
,[aO (b) NRC {{letter dated|date=April 29, 1976|text=letter dated April 29, 1976}}.
q (c)
YR letter, WYR 75-119, dated October 20, 1975.


==Enclosure:==
==Enclosure:==
(1) Report No. 2573-48, " Disk Velocity at Impact with Seat for Line Break Upstream Side of Size             ,, ,7lT p s 14 Figure 607 Non-Return Valve."                         ,' 'j!'        . <
(1)
(2) Report No. 2573-62, " Energy Absorption in the, ,. -             ,',} g?,' q Size 14 Figure 607 Valve Seat and Disk at
Report No. 2573-48, " Disk Velocity at Impact with Seat for Line Break Upstream Side of Size
[       %        '
,,,7lT p s 14 Figure 607 Non-Return Valve."
                                                                                                        -w Yankee Rowe."                                       j/[         !
(2) Report No. 2573-62, " Energy Absorption in the,,. -
g i: t
'j!'
                          $ UfEfCIf h 00,) '     ,
,',} g?,' q Size 14 Figure 607 Valve Seat and Disk at
certain additional information was requested via Reference f(b)                           g regarding the dynamic impact analysis of the reverse flow check valve y ~ '
[
installed at our Yankee Rowe power plant.                                             --
-w Yankee Rowe."
Two reports relating to the design and analysis of the subject valve have been compiled by the valve manufacturer and are attached (Enclosure 1 and 2) .
j/[
g i:,
t
$ UfEfCIf h 00,) '
certain additional information was requested via Reference f(b) g regarding the dynamic impact analysis of the reverse flow check valve y ~ '
installed at our Yankee Rowe power plant.
Two reports relating to the design and analysis of the subject valve have been compiled by the valve manufacturer and are attached (Enclosure 1 and 2).
We believe that the contents of the reports combined with previous correspondence, Reference (c), supply the information necessary to continue and complete your review. However, should you have further questions or require additional information please contact us.
We believe that the contents of the reports combined with previous correspondence, Reference (c), supply the information necessary to continue and complete your review. However, should you have further questions or require additional information please contact us.
Very truly yours, THis DOCUMEtlT CONTAlt4S                   YANxtr Aron 1c strcTRic courANy                             l POOR QUAUTY PA             _..
Very truly yours, THis DOCUMEtlT CONTAlt4S YANxtr Aron 1c strcTRic courANy POOR QUAUTY PA
                                                      !W           V J. L. French Manager of Operations JLF/kg Enclosures 80103107/C}}
!W V
J. L. French Manager of Operations JLF/kg Enclosures 80103107/C}}

Latest revision as of 11:51, 11 December 2024

Forwards Two Repts Re Design & Analysis of Reverse Flow Check Valve Installed at Facility,Per 760429 Request
ML20148E924
Person / Time
Site: Yankee Rowe
Issue date: 05/10/1976
From: French J
YANKEE ATOMIC ELECTRIC CO.
To:
Office of Nuclear Reactor Regulation
Shared Package
ML20148E929 List:
References
WYR-76-56, NUDOCS 8010310710
Download: ML20148E924 (1)
v • d • e


Text

'

(...

{_

Telephone 617 366-9011

't, m

780 390-0739

"" * ~ ' '

YANKEE ATOMIC ELECTRIC 00MPANY 20 Turnpike Road Westborough, Mossochusetts 01581 Y

,~am use May 10, 1976 g

4 r,

'N United States Nuclear Regulatory Commission

,[N Washington, D. C.

20555 2

/Q

. 2' ua' yy O L:-

Attention: Office of Nuclear Reactor Regulation

%,ur

Reference:

(a)

License No. DPR-3 (Docket No. 50-29)

,[aO (b) NRC letter dated April 29, 1976.

q (c)

YR letter, WYR 75-119, dated October 20, 1975.

Enclosure:

(1)

Report No. 2573-48, " Disk Velocity at Impact with Seat for Line Break Upstream Side of Size

,,,7lT p s 14 Figure 607 Non-Return Valve."

(2) Report No. 2573-62, " Energy Absorption in the,,. -

'j!'

,',} g?,' q Size 14 Figure 607 Valve Seat and Disk at

[

-w Yankee Rowe."

j/[

g i:,

t

$ UfEfCIf h 00,) '

certain additional information was requested via Reference f(b) g regarding the dynamic impact analysis of the reverse flow check valve y ~ '

installed at our Yankee Rowe power plant.

Two reports relating to the design and analysis of the subject valve have been compiled by the valve manufacturer and are attached (Enclosure 1 and 2).

We believe that the contents of the reports combined with previous correspondence, Reference (c), supply the information necessary to continue and complete your review. However, should you have further questions or require additional information please contact us.

Very truly yours, THis DOCUMEtlT CONTAlt4S YANxtr Aron 1c strcTRic courANy POOR QUAUTY PA

!W V

J. L. French Manager of Operations JLF/kg Enclosures 80103107/C

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