ML20245B412
| ML20245B412 | |
| Person / Time | |
|---|---|
| Site: | Browns Ferry, Sequoyah, 05000000 |
| Issue date: | 10/14/1988 |
| From: | Buggs E AFFILIATION NOT ASSIGNED |
| To: | Partlow J Office of Nuclear Reactor Regulation |
| Shared Package | |
| ML20245B391 | List: |
| References | |
| NUDOCS 8906230168 | |
| Download: ML20245B412 (60) | |
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October 14, 1988:
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- Mr. James.G. Partlow,' Director'of Special Projects "w'f Nuclear, Regulatory Connission -
- W 'One-White / FLINT North '
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- 1155 Rockville Pike l.
"A # . Rockville, Maryland 20852- a i
Dear Mr.' Partlow:
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My position' as ' Chemical ~ Engineer with the Tennessee Valley Authority (TVA) in Chattanooga was eliminated effective September 30. 1988.- This.
Y< + letter is to. inform you of. severalL technical concernsLI expressed while U- i at:TVA' and to request that you pursue the resolution of these concerns.
ih 'In a' letter of January 16,-1988'to Mr. S. A. White, I expressed the' f : following ccncerns-(enclosure 1):
~
.1. The symbol for theLVeriflo' pressure regulating valve was shown f ,
incorrectly. The pressure tap should be shown downstream of the .
valve.
- b ' ~2.: The Veriflo pressure' regulator.and the.Conoflow back ' pressure regulator; are'both used to; control pressure in the main sample line and these
$m. valves would fight each other rather than controlling pressure.
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3.. The '30% relative humidity value used as an. acceptance criteria for dry;layup does not indicate that a system is dry.- ,
In reference toxthe acceptance criteria for. dry layup I recommended what 0
I believed to be a more effective way to determine the wetness _of a system.
' TVA Management chose not to. accept my recommendation. I have no reason to 6'l ! C' pursue this iss,ue.
-In contrast, I believe that my concerns related to the suple line design
't should'be res01ved.
4 In up letter to Mr. White I requested a meeting with an Instrument Engineer to discuss my concerns as related to sample lines. I met with Mr.F. W.
. Tanner, Senior Electrical Engineer, on May 5,-1988 (enclosure 2).
Mr. Tanner concluded that the pressure tap for the pressure regulator 4
should be shown downstream of the. valve. In addition, Mr. Tanner concluded that the' sample line design was acceptable because a consultant had experimentally tested the design. The consultant had originally reconnended the design to TVA while under contract to TVA.
I isigned the memorandum documenting the meeting with Mr. Tanner with'the m 7 understanding that the-following three action items would be completed:
1
/ 1. Proper pressure tap orientation for the pressure regulating valve and back pressure regulating valve will be verified.
- 2. Verify that pressure drop and flow calculations were performed for panels.
- 3. The post modification test procedure shall be reviewed by me.
8906230168 890615 7 4' ,
PDR ADOCK 05000259 p p PNV n
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~ L lIIbelieved that as other TVA engineers tried-to complete these action
. items' they would' discover that there are potential' problems with the- i design. None.of 'the action items has been performed.
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In addition jl. informed Mr. J. L. Bates,' Mar,ager of Chemistry and ENonradiological Environmental Protection, that there could be. potential )
1 problems with this design-(enclosure 3). I stated that this was an'-
L, experimental ~ design and that there were no engineering calculations to 1 support the design.
I have submitted five CAQRs related to some.of the information I have seen (enclosure 4, SQF880088 has been changed to PRD). The CAQRsr list specific problems, but they show a general problem with the engineering analysis being perfonned on all the new sample lines at. 1 Sequoyah Nuclear and Browns Ferry Nuclear plants, t
' Also enclosed is at TVA report : issued by Mr. Bates as the technical basis ..
for sampling at.TVA nuclear plants (enclosure 5).. On figure 5. (page 8-9)
L the symbol for the Verirlo pressure regulator is again shown incorrectly.
This important technical error continues; to be made even after I have ;
informed the highest level of TVA Nuclear Management. If a proposed '
M . design'is going to be used as TVA's technical basis for sampling systems ,
then the drawing of.that design should at least be technically accurate.,
i The preceding discussion has been related to the new sampling designs. ,
.I also believe there are problems with the present sampling designs.
As an example, a sample of the individual hotwells at Sequoyah must flow
~
through 500 feet of tubing at a fluid velocity of less than 1.5 feet-per-secnnd.
I believe the fluid. velocity is too low for such a long line if a.
r representative' sample is to be obtained. Components in the sample
- stream can react with the sample-line.
Some people may say that these are just sample lines and are not important, but I believe that quality online sampling is a key factor in the safety.and long term reliability of any plant, As a personal note, I am filing complaints with the Department of Labor
.and TVA's Inspector General because I believe my job. lost was a result of f expressing the preceding concerns.
I can be contacted at 615 267-6181 for additional information if required.
Best time to call is between 8:00 A. M. - 11:00A. M. EDT.
Since rely.
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Eugene D. Bugg Enclosure 1 - Letter to Mr. S. A. White Enclosure 2 . Memorandum documenting meeting with Mr. F. W. Tanner Enclosure 3 - Biweekly report to Mr. J. L. Bates Enclosure 4 - 5 CAQRs Enclosura 5 - Sampling report
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c o se e e .1,0 ~ lR 400 SERIES _ VEV.E F.
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Body Dorts: 1/4" NPT (F) or optional CGA inlet fitting ,,
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.. Body' Bar stock brass: bar stock 316 stamiess steel
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Seat anc Seats Staintess Steel cocy Te'ze. anc Tejon: Brass Docy Tefzet anc Nylon j
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NFT.F (Stancare: 5 anc 6 ports are optionat # 4 - - - - -
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Fontuost s t003)$63 9:RI TELEX 80506: CoNTRO 1 ELEutnTs L* 7 e a .* ' CONOFLOW BACK PRESSURE REGULATOR i The Conotlow Series H30 Back Pressure Regulator is r., , used to maintain a constant upstream pressure of gas.
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J 1W ' r[ED'3TATES GOVERNMENT ' ' Nbm07andum- 543 %8 0519 902 1 r TENNESSEE VALLEY AUTHORITYe l 1j TOjg ' :0 J.. F. Murdock, . Chief Materials Technology Engineer W9 A8 C-K' FROM i
': LW.tS. Raughley,' Chief Electrical Engineer, W8 C126 C-K' naT: .: - ;MAYL19 R ,
SUBJECT:
1
-MR. EUCENE:BUGGS' SAMPLI'G SYSTEM DESIGN CONCERN y
'I. PVRPOSE i ..
The purpose of this memorendum . is . to document your requested meeting r
'between F. W. Tanner and Mr. Buggs .on May 5, 1988 concerning the
~
resolution ~ of- his concern regarding sampling system design at TVA nuclear.: 3: plants. ' n E II.. BACKGROUND
'l Mr. Buggs had the following concerns about the design of the sample lines with sampling ~ system' panels (see Attachment 1).
l'. The. pressure reducing valve (PRV) was not shown correctly on PCE&I, Inc. drawing .' (i' e. , showed pressure tap upstream of valve rather than = downstream)'during TVA drawing review. cycle.
' 2. The . PRV ' and back ' pressure regulating valve (BPRV) are both used to control. pressure in main . sample . and valves would fight each 'other rather;than controlling pressure.
III.'CONCLUCION N 1.~Mr. Buggs is correct in the fact that the PRV pressure tap should be shown downstream of the valve.. 2.:The existing sample line panel design is . a proven design (i.e., q experimentally tested by Ultra Pure Water Technology) with .the ' m " Leosponents TVA ~ is using. The key point 'is that the BPRV is more sensitive and responsive than the PRV thus allowing the bypass flow to i be diverted to the grab sample rather. than from the analyzer flow { (i.e., approximately 15 percent reduction in flow to analyzers but will not affect anclyzer accuracy) . Thus the PRV and BPRV will j ' control the sample line pressure and not fight each other. In addition, the BPRV acts as a relief valve for over pressurization !
. protection if PRV is misadjusted.
y[ A post modification test (i.e., performance test) will be performed on ] l 1 sample system panel prior to operation to verify item 2 above. L 4 l{ i DNE4-3002W wp A E _. k 2_ . _ _ _ - - .: - R l - - .. -
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- 2. ,
J. F. Murdock MRY t 91988 l MR. EUGENE BUGCS' SAMPLING SYSTEM DESIGN CONCERN IV. ACTTOWS i
- 1. Verify that the PCE&I, Inc. drawings for the feedwater and condensate sample panel (s) . and the TVA drawings for the Mactor water cleanup a sample reflect - the proper pressure tap orientation for the PRV and '
BPRV. (MEB)
- 2. Verify that pressure drop and flow calculations were performed for above sample panels. (MEB)
- 3. The post modification (i.e., performaate) test' procedure shall be r> ' reviewed by Mr. buses for his comments. (MEB)
V. RESPONSE REQUEST' ! No response to this memorandum is required.- f(()_ h1h Y '* P& E. D. LugQ W. S. Raughi y FW:RGB , Attachment - Flow Chart cc: ' RIMS, SL 26 C-K i E. D. Buggs, CST 1A 180A-C C. A. Chandley, W7 C126 C-K------Coordinated action items with your J. J. Davis, CST 1A 100A-C, Larry Smith, i F. L. Moreadith,:W12 A8 C-K J. Pleva, LP 2N 95B-C , F. W. Tanner, W8 D204 C-K-l e s DNE4-3002W L e & l e
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is / s L ENCLOSURE 3 1 e l. i 1 J i I' 1 4 l 4 J 1 ( a I W = . u- .. I
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' Subjects; '91 WEEKLY REPORTTOR- APRIL 25-MAY 8e 1988 i%
I?6ot;with" Frank Tannere -Senior Electrical Ensineer in the Electrical Endineerins Branch, to discuss av concern-related to the sample line desian-bains. used in' the saarle panels: st '9FN and. SON. ( a draft copw of a'memorandua
#jdoocribins Lour discussion -is- attached) . ;The samplejline desian was -
oxPorieentallw,devels$ed bw Radiolostcal'and ChemicaloTechnoloews Inc.,(RCT)- Ecnd s ! 'believe there ' are no engineering calculations to support this design. JRCT experimental 11w determinedia. valve combination.that would respond the waw
'thsw wanted. I' believe it should be' determined whether this desien will?
? porform;in> the Plant the same waw it did in the laboratorw.
c: 1Tho Materials-Section has reeuested assistance in.developins a requisition for Jon IOT contract for beaded ion exchange resin. I do mat recommend
;ootab11 shins-an IQT. contract at the Present time because.of tho,followins' l
'roccons!
11 '. Seaded ! ion exchange resins f rom dif fer::nt ennuf acturers should not 1
-be installed in the.same1 vessel in most cases. )
22;.; :There in a surplus of be ded resins stored in the warehouses ~at-different j
. Plant sites.
i
' 3.L ;The. sites ~do.not.have' Projected Plans for resin usase such as which resin j
beds will be-ccarletelv chansed and which will on1w need resins added as askeup.
-An 10T contract'should be issued on1w when there is a high Probability that o
- tho' estimated euantitw will be ordered. I recommend the followinst i
- 1. : Determine.the bended resins.now beins used at the Plants.
2. Determine what' resins are in the warehouses and whether' thew are usable. j3. . Determine the Projected Plans for each' resin bed such as whether a-completeichanseout is ' expected over a ,two wear Period. 4.- ; Based onLthis'information decidecif an'IGT would be sepropriate.or if
- the different resins.should be Purchased. separate 1w.
Iihove submitted a draft summarv of sw investigation of corrosion inhibitors 1 for closed water. swstems. 1 I contacted the Delaval representative in reference to the reeuest from Carl Locter at" BLN for an investigation into the PH ranse sussested for the diesel i conorator. Jacket coolins water.. The representative stated that a PH above !
,9.75 can'cause caustic embrittlement. As previous 1w rePortede a Nalco l
. representative has stated that the Present corrosion anhibitor will not hara
-the metal in spite of the f act that' the chemireals w1 *
- Produce a PH-sreater than 10 . = I recommend usins the Nalco product (39L) uutil.a metallurgical
'oxonination can resolve the conflicting information. I will Prepare a draft !
cocorandum to J. F. Murdock'reauestins assistance from the Materials Endineerins Branch. 1 I' Eu ne D. BussWU i L--__.-___--_-_.--_-- ----
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, -. TO - t .'J; F. Murdock, Chief of Materials Technology Raglaeor, W9 Al'C-E n ,
o :FROM : , F. W. Tanner, Senior Electrical Engineer, W8 D204 C-E (DATE 's May 6, 1984> .
SUBJECT:
- NR. EUGENE BUGGS'. SAMPLING SYSTEM DESIGN CONCERN
'k I. FJJRECRE
' The surpose of this memorandum is to doEmment' my meeting with Mr. Buggs: on May 5,1988 concerning the resolutior, -of his
. concern regarding sampling system design at TVA nuclear
~
plants. . II. ' BACAGRQWID - Mr. Buggs had the following concerns'about the design of the sample lines with sampling system panels (see attachment 1).
- 1. The pressure reducing valve (PRV) was not shown correctly on. PCE&I, :Inc. drawing '(i.e.., shond pressure tap upstream of valve rather tham- ocwnstream)+
2, The PRV and back pressure regulating valve (BPRV) are koth used to control pressure in mala sample and valves would fight each other rather than controlling pressure. III. C95CLUS10N
- 1. Mr. Buggs is correct in the fact that the PRV pressure tap !
should be shown downstream of the valve. l
- 2. The existing sample line panel design'is a proven design
'(1.e., experimently tested by-Ultra Pure Water Technology) with the componants TVA is using. .The key point is that the BPRV is more sensitive and responsive than the PRV thus allowing the bypass flow'to be diverted to the grab sample ~ rather than from the analyser flow (i.e. , ~ 15%
reduction in flow to analysers but will not affect analyser accuracy). Thus the PRV and BPRV will control the sample line pressure and not fight'each other. In addition, the BPRV acts as a relief -valve for over
.- pressurization protection if PRV is misadjusted.
A post modification test (i.e., performance test) will be performed on sample system panel prior to operation to l verify item 2 above.
t :; f b , h [, . ,- . ;. 4,* r . - s <
. . '. a . . , 2 my J IV. ACTIME r#. 3, . 1
- 1. Verify that' the PCESI, Inc drawlags for the feedwater' and 1
-l condensate sample pans 1(s):aad the TVA^ drawlags for the reheter rester, cleanup sample reflect the proper pressure , ,
tap. orientation for the PRV and BPRV. . I b' '
- 2. Verify that' pressure drop and flow calculations were ,
l performed for above' sample panels.
, - i
- 3. The post modification (i.e., performance) test procedure shall . be ' reviewed by Mr. Buggs for his comments.
j x. V. RESPONSE REQUEST f: 3. -
- v. '
No response is. required for this memoran_dum. I
.i 3
~
E. D. Buggs F. W. Tanner > j. q FWT DMC-
^
Att.schment L*- 'ces ' E. D. Buggs, CST 1A 180A-C C. A. Chandley, N7 C126 C-K ,
, J. J. Davis, CST 1A 100A-C ,
'F. L. Moreadiths W12 A8 C-K f , W. 8. Rangbley,.W8 C126 C-K
., , . J. Pleva, LP 2N 953-C J.
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= .~ m .i V9:O caeoeAe IR 400 SERIES -
PRESSURE REGULATOR FOR HIGH FLOW, LOW OUTLET PRESSURE CONTROL OF CORROSIVE AND NON CORROSIVE GASES AND LiOUlDS
, 4' 0 60 ,
/ -
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. SPECIFICATIONS: "
, Maximum inlet pressure: 3,000 PSIG (207 Dars)
Adjustable outlet pressure ranges: l 1 30,2 100,5 3C0 and 10 500 PSIG n, Fluid Media: Corrosive anci noncorrosive gases I-Maximum air flow: 2001/ min of air (see flow curve) L,
. Operating Temperatures:-40*F to +200*F (-40'C to 94*C)
{ Body ports: t/4" NPT (F) or optional CGA inlet fitting- !< Gauges: 2" diameter 316 stainless steel bourdon tube gaages sc i ot' standard brass gam,ws. 'S {
. Outlet pressure rise per 100 PSil inkt pressure decay:
,l 1,0 PSI muium .
Flow coefficient Cy=0.044 Approximate weight: 1.5 lbs. (.7 Kg) MATERIALS OF CONSTRUCTION. t Body: Bar stock brus; bar stock 316 stainless sted { Trim: Stainless stwi and brass Seat and Seals: Stamless Steel body: Tef2cl and Teflon: firass body: Tefgel and Nylon e Diaphragm: Teflon lined 301 stainless steel
=
$0 ting housing:Electroless nickel plated brass tar stock FE ATURES:
/
Rar Stock Construction 4
- High Flow, Accurate Control
- Teflon Lined Stainless Steel Diaphragm lf,
. Pressure Gauge and CGA Connection *
*g Miniature Size w -
f . Portsng Arrangement: one inlet and three outlets: 1/4" NPT (F) - NPT (F) (Standard). 5 and 6 ports are optional ' uc,~ ~ n ~ ~ - ~ - - - - -
IR*4001 PRESSURE REGULATOR p7 q
, 1.i l' j OMIONAL FEATURES:
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- Panel Mounting I i
[,e. - hW ia, p
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Outlet pressure gauges:
- Relie Valve a
/ 8 l _.. ene
/ %o APPLICATIONS:
.S ( \. -
114 nees. 4 I
- Tank Pressurization w'**a' a- l
( Purge Systems OUTLET - - --. INLET -- i l
- Component Testing ae. ,
p { R & D Pilot Plants
- Corrosive Liquids and Gases
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r - 3 CONOFLOW + REGULATORS & CONTROLS N[sc.294noro. (803) 5619281 bees 4945706 RaC FOREMOST IN CONTROL ELEMENTS k CONOFLOW BACK PRESSURE REGULATOR GH30 Series The Conoflow Series GH30 Back Pressure Regulator is used to maintain a constant upstream pressure of gas, vapor or liquid. Designed for accurate regulation under low flow condi- r g L tions, these units are widely used for protection of analysis instrumentation or as a relief valve in supply pressure fines to ^N control devices. q , The GH30 Regulator is available in brass / aluminum combina-L ;, 1b ye tion or all stainless steel construction. Buna "N" diaphragms are standard withTeflon-faced Buna "N" used in the stainless
~
I W . J steel models for corrosive services. Regulated pressure . ranges are 0-5,15,25,35, 50 and 125 PSI. Connections a re % * - - L N.P T. - 8 These units are backed by Conoflow's years of experienc'e as h{j-I a leading manufacturer of precision built instruments. '
*. _.r. - / ' ' ,, .
x EC7 f OPTIONS: - 1 Adjustment: Wrench knob j -lf-ji
/- [ fh/ i, s . , c l .~ ._c DIMENSIONAL DATA-ADVERTISING DRAWING GH30: A172
[ T(PICAL APPLICATION
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% OR DRAIN SERIES CH30 REGULATOR in the aboa a:p. cation. the Cono% GH30 tack pressure regulator is maintann; a constant utstream pressee on the samcne stream ey reneving the excess pressure prior to its arrval at the anatyrer e J PRINTEDIN U.$ A.
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Li t . p. . - ' g K # n 7 PitlNCIPLE OF OPERATION h' [ l' a Regulated Tuming the handwheel changes the force exerted by the range spring on the diaphragm assembly. In equilibrium, the force { Back Pressure exerted by the range spring is balanced by the force from back pressure acting undemeath the diaphragm assembly. If the
! e Exhaust back pressure rises above the set pressure, the diaphragm -
C'.. s
. seat is lifted allowing the nozzle riug to open. The excess 3 pressure flows through the exhaust ,1rt until the back pressure u
m ( is reduced to the set point. While the back pressure is at or below the set point, the range spring holds the nozzle plug c- +, against its seat, shutting off the flow to the exhaust port. u:a :s +8
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Regulated I h Back l CHART 1
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~~~~ Exhaust Port FLOW CAPACITIES
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" . GH30 Series s 30 is se e No Bleed - No Relief Diaphragm 22 4 io 2 - -
k; 30 - - se is 52 7 25 4 - - is - - ss 20 so ii 45 e - -
- SPECIFICATIONS 2s - - - - iso u no is s2 e GMaptTMat10aL(1 GMENETMAXNA (2) OM30rrMAXS3L(2 so _ - - - - m a i.o is 75 -- -'- - - ' - -'- -
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ne,u,,,,, 37s .o 22s - - - - - - - 400 Promeure 0-s.15,25. 35. So and 125 PSI so Ranges NOTES. (1)Canecify naama on **i% cuee in set pressure (For 20% muet.J multsWy flom pg,, role by 21 ( !
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Canecify C)ManonumlamW: ~s= Sonstiv'tY - oosPSI \
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11,* MAX. I MATERIALS OF CONSTRUCTION Scov Brass 3ie St Sn. 316 St Stl g.ug'- ; Bonnet Asuminum Aluminum Alumenum ge i
#"*"*'Y N Buna"N" Teilon Te sced i Process See Orvy Process See Oruv
!,y 302/303 St Sc. 316 St Sir , f I OUTLET
$ St Cad Pit St. Cao Pit. St Cad Pit 3 gi4 A CONNECTIONS 427,os UNM EO Snipping weign, 4 tm 2 Its 2lbs OH30KTM SEn#ES f NOTG (1)For catalog number maae.e. refer to Control Engineenng Data Sneet k C 9006
)
r210tner oaonragm matenais amiaoie. consuit tne tactory For Certified Dirnensional Drawing, refor to A17 2 (GH3(h 1 1 1 CONOFLOW
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st George.SC 294774766 REGULATORS & CONTROLS t i I I (803)56}9281 Toten 4945706 A l l
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h< , SECTION II. OPERATING INSTRUCTIONS 2-1 INITIAL STARTUP 0F EQUIPMENT - Prestartup cheeksi A. Ensure that all couipment scoundins requirements have been met. B. Check incomins wirins for continuitwe freedom of shorts, and unwanted grounds. C. Check all Pipins and fittins connections for leaks. Temperature control swstem startur A. Follow all manufacturer's recommendations for startup of the heat Pune Package. Ensure that the recirculating pump discharse isolation valve is open. B. Adjust each sample controller set Point to 77 desrees F. Sample swstem startur A. Initial blowdown and cleanue of field sample lines shall be completed before hookup to the Panel. B. Flow initiation should be accomplished bw adJustins the iresiure~r' educt' ion valve to 30 psis. The backpressure flow resulator should be set to 25 Psis. The flow to each instrument should be set according to the manufacturer's requirements. C. Analwzer startup instructions are described in the various manufacturer's instructions manuals contained in the back of this manual. 2-2 SYSTEM OPERATION Sample fluid is constant 1w flowins throush the bMPass Portion Of the sample lines which keeps the sample fluid more representative of the fluid in the Process stream. Grab samples are available at the grab sample sink for all streams except the Raw Water and Clearwell samples. 2-3 ADJUSTMENT OF SAMPLE FLOWS The total flow rate for each sample line should be initia11w set bw adJustins the integral control valves for each sensor associated with the specific sample line alons with the grab sample flow set to 500 mis / min. The sum of all the sensor flowrates, the stab sample flowrates and the bweass flowrate should eaual 800 mis / min. 2-4 EQUIPMENT SHUTDOWN AND STORAGE Short-term shutdown. All sample lines and analwzer sensors should be flushed with demineralized water. The swstem valves should be alisned such that the sensors will be stored Complete 1w filled With demineralized water. Constant temperature eouiPment should be stored , with water in the coolins loop and the Power isolatede All other electrical circuits saw staw energized.
~. . <;.
Lcn -toro chutdrwn. All cocelo linao and ona19zer scncoro shsuld ba fluch;d eith dOcinoralizGd wator and-stored filled with demineralized t' water.'The.-closed water swstem for the sample conditioning Packase should be drained, and stored drw. The' Power should be isolated to the constantitemperature eouipment. Power to the remainins Parts of the Panel saw remain on with individual instruments isolated as necesserv: for maintenance and/or repairs. All sample lines comins to - the panel should be isolated. i l l i l
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=
W v~ INSTRUMENT DIVISION:.
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VERIF' O cOe oeAe IR 400 S$ RIES - PRESSURE REGULATOR > FOR HIGH FLOW, LOW OUTLET PRESSURE CONTROL OF CORROSIVE ANO NON CORROSIVE GASES AND LlOUlDS
'l
'0 4 80 .
, SPECIFICATIONS- #
20 80 \\
. . Maximum inlet pressure: 3.000 PSIG (207 Bars) t Adjustable outlet pressure ranges:
g 1 - 30,2 100,5 300 and 10 S00 PSIG t Fluid Media: Corrosive and noncorrosive gases I Maximem air flow: 2001/ min of air (see flow curve)
, . Operating Temperatures:-40*F to +200*F (-40*C to 94*C) l Body ports: 1/4" NPT (F) or optional CGA inlet fitting Gauges: 2" diameter 316 stainless steel bourdon tube gauges F.
or standard brass gauy.9,
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Outlet pressure rise per 100 PSI inlet pressure decay: _.1.0 PSI maxium .
.. Flow coefficient C,=0.044
'. Approximate' weight: 1.5 lbs. (.7 Kg)
MATERIALS OF CONSTRUCTION:
. Body: Bar stock brass; bar stock 316 stainless steel Trim: Stair less steel and brass Seat and Seals: Stamless Steel body: Tefzel and Teflon:
Brass body: Tefzel and Nylon
. Diaphragm: Teflon lined 301 stainless steel
. Spring housing:Electroless nickel plated brass bar stock FEATURES:
Bar Stock Construction d
. High Flow, Accurate Control Teflon Lined Stainless Steel Diaphrsom ..
Pressure Gauge and CGA Connection * * ' Miniature Sire Porting Arrangement: one mlet and three outiets: 1/4" NPT (F) NPT (F) (Standard). 5 and 6 ports are optional l l __m mm _ _ _____ . - _ - - - ^ - - - - ^ --^- -^^^^
r - IR 400 PRESSURE REGULATOR k ; ie , r CPTIONAL FEATURES: [ y l [ . Panel Mountin;l CGA Connections e
. Outlet pressure gauges: ' "
.y ,
. Relief Valve j /
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APPLICATIONS: '
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Tank Pressurization d 7 ==== OUTLET .- Purge Systems Component Testing y
,M -- INLET
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I y T _, INSTRUMENT
.a ,j;;-ky- - - - .
DIVISIONS.'
~W- - --
.WQ' ' .
VERI:LO G o e ,JAT,0 N IR 400 S$ RIES . PRESSURE REGULATOR FOR HIGH FLOW. LOW OUTLET PRESSURE CONTROL l OF CORROSIVE AND NON CORROSIVE GASES AND LIQUIDS ,]
, '0 4 60 {
~
20 80 .I
, SPECIFICATIONS: .
I
~
., . Maximum inlet pressure: 3.000 PSIG (207 Bars) k
. Adjustable outlet pressure ranges:
1 30,2 - 100. 5 300 and 10 500 PSIG s Fluid Media: Corrosive and noncorrosive gases I l Maximum air flow: 200 l/ min of air (see flow curve) ,
. Operating Temperatures:-40*F to +200? F (-40*C to 94*C)
{i Body ports: 1/4" NPT (F) or optional CGA inlet fitting b Gauges: 2" diameter 316 stainless steel bourdon tube gauge 2 lI or standard brass gauges. 'I
. Outlet pressure rise per 100 PSI intet pressure decay:
1.0 PSI maxium
. Flow coefficient Cv=0.044
. Approximate weight: 1.5 lbs. (.7 Kg)
MATERIALS OF CONSTRUCTION:
. Body: Bar stock brass; bar stock 316 stainless steel
. Trim: Stainless steel and brass Seat and Seais Stamiess Steel body: Tefzel and Teflon:
Brass body: Tefzel and Nylon
. Diaphragm: Teflon lined 301 stainle3s steel
. Spring housing:Electroless nickel plated brass bar stock FEATURES:
Bar Stock Construction e
. High Flow, Accurate Control Teflon Lined Stainless Steel Diaphragm ,.
. Pressure Gauge and CGA Connection
- g, (
+ Miniature Sete '
Porting Arrangement: one inlet at;d it.ree outlets: 1/4" NPT (F) , NPT (F) (Standard). 5 and 6 ports are optionat 'l n__ - - - . ___. _
,_ --- - ~ - -
y j IR 400. PRESSURE REGULATOR lj' i { OPTIONAL FEATURES: Panel Mounting CGA Connections
\
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- Outlet pressure gauges: -
e Relief Valve - i / .a g 7-- I g
- *'o".".*"""'
APPL! CATIONS: .I
. m-
% sima.
- tw a Tank Pressurization ..J
, 4
. Purge Systems OUTLET -- - INLET -.- - l
= ata Component Testing ' 1
- i ,,, i R & D Pilot Plants I
- Corrosive Liquids and Gases _ vcn s.70-(94 mm) =
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RIME ACCESSION NUMBER'88 J05 u 18 3 00 CAOR NO.lslolFIFlflololMI I I I PART A DESCRIPTION OF THE CAO PLANY/ PROJECT % gym h)[1f!LEW . UNIT O VENDOR SYST EM MER/ AmVEti? WATER TREATME)JT sf}MRfvENDOR'S ADDRESS COMPONENT DMCONTR ACT NO. ASME7 YES O NO h REFEf3 ENCE S g , , ; , REQUlF EMgT VIOLAT D $MC .NOALIAM . j)AAWAM AMAmC/ 9thil> idea f) D lA~wr Mali 44 - []
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a RECOMMENDED CORRECTIVA ACTIOk (OPTIONAL) CAQR INITIATED BY Y' . A DATE ~bh TEL.NO. .bb( INITI ATOR'S ORGAN 12 ATIOQ SN E -MT) d 9 DATE/ TIME CAO DISCOVERED b+Rb,!l0N.rn, M ANAGEMENT REVIEWER DATE TITLE RESPONSIBLE ORGANIZ ATION POTENTIAL AFFECT ON OPERABILITY BFN 10 20 30 COMMONO CON TO 20 COuuoNO OPERABILITY OF NUCLEAR UNIT IS O IS NOTOAFFECTED,
; IF 'YES*, INDICATE AFFECTED UNITS. WBN 10 20 COMMON O BLN 10 2 0 COMMON O CAO COORDINATOR ,,, p DATE RECEIVED ~ I' A3 M '
PROCESSED BY iM [h ' D AT E
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PAGE"4 p** -
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SECTION II c ?! 00 ?? SGu OPERATING INSTRUCTIONS
'2-1 LINITIAL'STARTUP OF EQUIPMENT Prestartue checks:
A. Ensure that all eouirment scoundins requirements have been set. B. C~ neck incomins wirins.for continuitwe freedom.of shortse and-unwanted grounds. C. Check all. Piping'and fitting connections for leaks. Temperature control swstem startur A. Follow all manufacturer's recommendations for startue of the heat pume Packase., Ensure that the recirculating Pump discharse isolation valve is open. B. Adjust each sample controller set point to 77 degrees F. Sample swstem'startur A. Initial blowdown and cleanut of field sample lines shall be coneleted before hookup to the Panel. B. Flow initiation should be accomplished bw adjusting the Pressure reduction valve to 30 esis. The backpressure flow
.resulator_should be set to 25~Psis. The flow to each' instrument
~
Thould be set'aFcordiris' 'to'tii" manufacture r's reauf rements . C. Analwzer startup instructions are described in the various manuf acturer's instructions manuals contained in the back of this manual. 2-2 SYSTEM OPERATION
. Sample fluid is constant 1w flowins through the bypass' Portion of the sample lines which keeps the sample fluid more representative of the-
' fluid in the Process' stream. Grab samples are available at the stab sample sink for all. streams except the Raw Water and Clearwell samples.
L 2-3 ADJUSTMENT OF SAMPLE FLOWS L
'The total flow rate for each sample line should be initiallw set bw adJustins the intesral control valves for each sensor associated with the specific sample line.alons with the grab sample flow set to 500 g
als/ min. The sum of all the sensor flowrates, the grab sample flowratee 11-and the bweass flowrate should eaual 800 mis / min. 1 2-4 EQUIPMENT SHUTDOWN AND STORAGE Short-tern shutdown. All sample lines and analwzer sensors should be flushed with demineralized water. The system valves should be alisned such that the sensors will be stored completelv filled with demineralized water. Constant temperature eauiPment should be stored
'with' water in the'coolins loop and the Power isolated. All other electrical circuits saw staw energized.
= L- _ --. _ .
P g c m PAGE 5 c c. LCns-toro'chutdsun. All coneto linco end ansluzer consoro chauld be flushedThe water. with demineralized closed water'and water swstem. for the stored sometefilled with demineralized conditioning Packase should be drainede and stored. drw. .The Power should be isolated to the' constant temperature eouiPnent. Power-to the remainins Parts of b the Panel saw remain on with individual instruments isolated as necesserv for maintenance and/or repairs. All sample lines comins to
. the panel should be isolated.
M of [
'SqPPPooPC e
l __ _____________--__-_-_._____-_-_-_0
SmFv2'oost 5 of f( r ... . T r.
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T Po Bon 788
.CCL'QFLOW REGULATORS & CONTROLS 34 George,SC 2r,4774768 RERC (A 509281 Tois: 494572 FOREMOST IN CONTROL ELEMENTS k
7 CONOFLOW BACK PRESSURE RnGULATOR GH30 Series 1 The Conoflow Series GH30 Back Pressure Regulator is used to maintain a constant upstream pressure of gas, vapor or liquid. Designed for accurate regulation under low flow conoi- r - tions, these units are widely useo for protection of analysis . - instrumentation or as a relief valve in supply pressure lines to
~ , % '.
( ' control devices.
' I The GH30 Regulator is available in brass / aluminum combina-tion or all stainless steel construction. Buna "N" diaphragms -
s
.j, 'Y '
are standard with Tefion. faced Buna "N" used in the stainless steel models for corrosive services. Regulated pressure - ,/1 ranges are 0-5,15,25,35,50 and 125 PSI. Connections a re %' .., N.PT.
- ' * [?., ' j These units are backed by Conoflow's years of experience as (, , _j. 'y a leading manufacturer of precision built instruments. 4.
<[14 3
OPTIONS: 'u Adjustment: .
~
.?h
~
Wrench knob .
)
e : DIMENSIONAL DATA-ADVERTISING DRAWING GH30: A172 [ TYPICAL APPLICATION
~
h NEEDLE VALVE GAUGE [ a w
= C)< l ANALYZER 4 lf TO ATMOSPHERE -
) I A OR DRAIN SERIES CH30 REGULATOR in u at= aponcation. ine cone os3e eaca p.euure reauiaior is rnainia,runo a con $iani upstream pressure on the Sample Stream by reheving the excess pressure prior to its arnvat at the aoatyzer
< - - - - - - - - - - - - - x
SQ FWOQW 'S of f
- )
r a PRINCIPLE OF OPERATION l-c Regulated Back Tuming the hardwheel changes the force exerted by the range spring on the diaphragm assembly. In equilibrium, the force { exerted by thvange spring is balanced by the force f rom back Pressure l : pressure actireg undemeath the diaphragm assembly. If the back pressure rises above the set pressure, the diaphragm e Exhaust ' seat is lifted allowing the nozzle p'ug to open. The excess C- r 3 pressure flows through the exhaust port until the back pressure - S u N
, ( is reduced to the set point. While the back pressure is at or below the set point, the range spring holds the nozzle plug
'M against its seat, shutting off the flow to the exhaust port. ,
Regulated I, j Back ' -"" ~ ~ ' i Exhaust Pressure Port FLOW CAPACmES
/j SPleNO maMQt anomotoR V/ art e arm mee e-sem anse .e-anni mismo e-arm emnae-ones anom PRESS N M WEIR M MAR M WATER M WUER M WMR
'** ecne one ocne one ocne one ocno one ocne one GH30 Series 5 30 is as a 22 4 10 2 - -
No Bleed - No Relief Diaphragm in _ _ 3, is - 52 7 25 a - k J i5 - - s5 20 .0 n 45 e - -
. 25 - - - - - is n no i5 52 e SPECIFICATIONS - - - - - - 220 2e 140 is 50_
- OH30XTHMXXX (1 GH30XTMAXKX @ GM3JXTHAX$X (2 230 hmw 75 - - - -- - - - 27 Connectcins V." N PT 100 - - - - - - - - 375 40 Reguatec 125 - - - - - - - a00 50 Pressure
,es 0-5.15,25. 35. 50 and 125PS' NOTES.,smm. ,, based an 10% m ei-set sressure (Fs 20% W mungry nois (
Refer to Chart 1 cad 6 City Sensitivity 0 05 PSI
^"=a' temperature r 7
-70 r io + 250 r twen -w. ol ontsom> DIMENSIONAL DATA tt*MAK
~
MATERIALS OF CONSTRUCTION g.uxQ' 3 Body Brass 316 St Sti 316 St Sti i
'
- MIN . HOLE IN PANEL Bonnet Aiurrunum Aurrunum Aurrunum 2'9ie' .I
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_ Deonragm g, _ y- 7,m,,an g,c,a 3,m ..g.
%ng,c,o O Process Saoe Orwy Process See Only 4,% hray 302/303 St Sti 316 St. Sti ,
y l . oltrLE'r St Cad Pit St Cad Ptt St Cad Ptt 3 .g L N CTioNs GM10XTM S(mats ng We.gnt 18f. t)s 2 ts 2 bs GMacXfM SEmrts NOTES (1)For cataiog numoer mansagi refer to Contra Engineering Data Sneer k C 9006 m Ome, o,aantagm ma.e,ia,s a,anaea consu,i ine tacio,, For Certified Dimensional Drawing, refor to A17 2 (GH30) l CONOFLOW ( REGULATORS & CONTROLS Po Bon 768 st George. S C 294770766
' (803) 563 9281 teiex 4945706
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.es d h _ . _ a m Continuation _
j b l k k( h % l a %c me-< io n . A)eed 5 e # h u - t>.e c, r v s a pprou el chec a 3 - b.c c (orJ<-;~yGLc-cgl a~ p aa va +e , L be- ~-en - w cc< \ grug p o .) ('o c o g a n-u WC
- r acA s'o w C sy ,ec4 c u _ - - c-e A s e c s c o- s m t M a % r , im s a c u d iest w c t -r c e f L a -t m e a v t-awd powek opeen4or -te ee<;,oleC. a e (-4 2 0 ^ E eu v&e o gammo w ,
[c~) E Ca. t i 7u-88
+NM . 9-2s .yg S _ e- _ s -- & ,.~.+
reare ce (s 6 Tesse) -( 4Le i n ;4; 4, <- ( i~ q ~e b g s ), a -e z & ,9- w ee -eL:s eA9 w R 6-e ce so i o e.( L>3 P.cW.CreB)jylfll ws ,s - e c ae. bH ~ uc.~-.
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l: !! S. b ENCLOSURE 5 L I e 4 1 4 q
~ _ _ . _ _ _ _ _ _ _ _ _ , _ _ _ __ J
. , - 16.
e.%s ., M unrTEo TATE 8 GOVERNMENT L75 80811 800 Memorandum TENNESSEE VALLEY AUTHORITY TO : Those listed FROM : Jim L. Bates, Manager, Chemistry and Nonradiological Environmental Protection. IBM 28 625-C ! DATE : August 11, 1988
SUBJECT:
INVESTIGATION REPORT - DESIGN AND OPERATION OF SAMPLING SYSTEMS FOR ANALYSIS OF HIGH PURITY WATER The subject Investigation Report is attached for your information. This report describes the present state-of-the-art .in sampling / monitoring for chemical ispurities at the trace (parts per billion and parts per million) levels. This report will be used as the technical basis for essessment of sampling and chemical process monitoring systems and in development of functional requirements for any design changes identified. le ! fJimL. Bates C. A. Chandley, W7 C126 C-K i G. L. Fiser O&PS.-4, Sequoyah J. F. Murdock, W9 AB C-K W. S. Raughley, W8 C126 C-K D. C. Smith, Browns Ferry M l JJD:JLR Attachment cc (Attachment): RIMS, MR 4N 72A-C H. C. Blair, CST 1A 101A-C W. A. Nestel, IBM 2S 54B-C L. D. Reardon, IBM 2S 40B-C l W. T. Reid IBM 2S 405-C N. E. Scott, CST 1A 177A-C I 03761 I _ __ _-___--__ - - - - -}}