ML20136C691

Submits Comparison of Performance Tests for Foxboro Type E11 Gm & Gh Pressure Transmitters.Establishes Suitability for Specified Svcs.Forwards Qualification Rept.W/O Encl

ML20136C691
Person / Time
Site:	Three Mile Island
Issue date:	05/08/1979
From:	Pepp D BAILEY CONTROLS CO. (SUBS. OF BABCOCK & WILCOX CO.)
To:	Janecke D BABCOCK & WILCOX CO.
References
TM-0952, TM-952, NUDOCS 7910010523
Download: ML20136C691 (2)

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COPY MADE ON OF DOCUMENT PROYIDED BY .

METROPOLITAN, EDISON COMPANY. i 9

• a f Supervisor, Docu:nent control, NRC 4

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B44y Meter Company t . Wicklif fe, ohio 44002 Telephone: (2161943 G500 r . -~1 Te'= sacc2i - c ai.: e.avmet-OZ-u mvy of . . . , , ,,,

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May 8, 1974 The Babcock 5 Wilcox C'ompany '

P.O. Box 1260 .

Lynchburg,~ Virginia 24505

. Attention: Mr. D.W. Janecke . ,

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Subject:

Jersey Central Power 6 Light Co.

Three Mile Island Unit #2 B6W Order No. 80812Z B4W Contract No. 620-0006 BMCo. Job No. 1595L - NNI System

Reference:

Qualification of Foxboro Pressure Transmitter .

Gentlemen:

As required'by your specifications, the Foxboro Type Ell GM G GH Pressure Transmitters

• have been tested for the purpose of demon- _

strating their performance. Attached is a copy of the Oualification ..

Report. The follo. ting is a comparison of the results of these tests '

and the requirements of the subject contract: ,

Characteristic Contract Specification Demonstrated Result ]

+0.5%' Span **

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Accuracy +0.'5% Span 0.15% Span 0.15% Span **

Repeatability 0.05% Span 0.05% Span **

Deadband Response -

1.17 seconds to reach 1.17 seconds to recch 63.2% change for step 63.2% change for step change at input change at input l Scismic Not specified Subj ected to vibrati.cn .

in (3) mutually perpend-

, icular direction: to 3g icycls over the frequency range of 1 to 5011:. Cal ,

ibration shif t durin;;

each test run was less than 3t.

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The Babcock 6 Wilcox Co. May 8, 1974 Characteristic Contract Specification Demonstrated Result 2x104 Rods Radiation Dosages up Irradiation to 4.6x104 Rods had a e negligibic effect on'

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the transmitters op-

.- . . . , ... e. ration Elevated +12% accuracy in a Worst case-11.8% error .

Environment steam-air environment 075% range in 12 hr.

as described by BGW steam-air environment curves (pgv 5A65B- of 288*F, 56 PSI. At Spec 1048/0569) the end of these tests

. the transmitters accur-acies returned to within 2%.

It is therefore concluded that the Foxboro Ell GM G GH Pressure Transmitters are suitable for the services identified by the fol- -

t lowing item numbers: ,

. ; 5 ., jo f'l ,

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Items C3A-PT354

[R Items SP6A-PT162 .

items SP6B-PT162

• Ell GM G GH previously identified by Foxboro nomenclature 611 GM 4 GH.

- **Results certified by Foxboro-verified by Bailey Meter Co.

Quality Assurance Dept.

Sincerely, ,

BAILEY METER COMPANY l~

. Wl. . -

D.L. epp, Pr et Manager Nu. clear Project Office -

1L11: E.G. Ward ILH: W.A. Cobb 2LH: G.D. Quale 1Lil: II.E. Bitler DLP/sil

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