Text

Qualification Test Rept for 20-Inch Type 9200 Butterfly Valve W/Bettis Actuator
	ML20155H156
Person / Time
Site:	Vogtle
Issue date:	11/07/1980
From:	Campbell E, Jordan H; WYLE LABORATORIES
To:	;
Shared Package
ML20155H119	List: ML20155H115; ML20155H149; ML20155H156; ML20155H162; ML20155H169; ML20266D746; ML20266D749; ML20266D753; ML20266D757; ML20266D761; ML20266D764; ML20266D768; ML20266D773; ML20266D780; ML20266D784; ML20266D789; ML20266D793;
References
	45390-1, NUDOCS 8605130345
	Download: ML20155H156 (100)
	v • d • e

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9510- AXGAC03- G0 60-9 902 I QUALIFICATION TEST REPORT FOR A 20" TYPE 9200 BUTIERFLY VALVE WITH BETTIS ACTUATCR FCR FISHER CONTROLS COMPANY 205 SOUTH CENTER STRIET MARSHALLTOWN, IOWA 50158

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ADOCK 05000424 PDR

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9010- AXG ACO 3- G 0'60- 9 983 NEQ L

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WYLE JOB NO. 453o0 i j

CUSTOMER P.O.NO. 220272 I [

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DATE November 7, 1980 SPECIFICATION (S)

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i 1.0 CUSTOMER

' P. o. B x 190, 205 South Center Street, Marshalltown, Iowa t0158 ADDRESS 20" Type 9200 Butterfly Valve with Bettis Actuator z.0 TEST SPECIMEN FJ. IP0l?lx0022 Fisher 2cntrols ccmpany 3.0 MANUFACTURER 4.0

SUMMARY

Cne 20" Type 9200 autterfly Valve with a Bettis Actuator, hereinafter referred I to as the test iten, was subjected to four (4) temperature transients and seat leakage tests, as described in Section I of this report. The test iten cor,rlied j with all specified requirements without exception. The tests were performed l in accordance with Feferences 5.1 and 5.2.

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STATE OF ALABAMA COUNTY OF MADISON 1

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c 9G10- AXG ACO 3- 00 60 'l ' G 'l PAGE NO. 11 TEST REPORT NO. 45390-1

5.0 REFERENCES

5.1 Fisher Purchase Order 220272 5.2 Fisher Document, Test PGF.M/FGS 14A2 6.0 CUALITY ASSURANCE All test equipment and instrmentation used in the performance of this test program sere calibrated in accordance with Wyle Laboratories' Wality Assurance Policies and Procedures Manual, which conforms to the applicable portions of ANSI N-45.2, 10 CFR 50, Appendix B, and Military Specification MIL-C-45662A. Standards used in performing all calibrations are traceable to the National Bureau of Standards.

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WYLE LABORATORIES f4ufttsville Facility

i 9510-AXGADO3-5060-9 980 PAGE NO. I-l TEST REPORT NO. 45390-1 SECTION I THEFMAL TRANSIENTS AND SEAT LEAKAGE TESTS 1.0 PEO"IREMEtr*S The valve assembly shall be placed in a preheated 200'F dry even for 6 hours6.944444e-5 days 0.00167 hours 9.920635e-6 weeks 2.283e-6 months and the temperature allowed to stabilize. The valve assembly shall be criented in the oven with the inlet side up and the disc horizontal.

The blind flange on the inlet side of the valve shall be secured in such a fashion as to let the even environment be in contact with T-ring. The cutlet side of the valve shall have a blind flange and spool piece secured to it and vented to the atmosphere.

When the stabilization is completed, the test valve asce=bly shall be removed frem the 200*F oven and placed as rapidly as possible in a second even preheated to 400'F in the same orientation. After the valve asse=bly has been placed in the oven, the oven temperature shall be brought back to 4CO*F as rapidly as possible and held for 15 minutes.

Cpen ec=pletion of the 400'T temperature spike, the blind flange of the valve assembly inlet shall be made air tight. The oven temperature

( shall be reduced to 125'F and stabilized for 1 hour1.157407e-5 days 2.777778e-4 hours 1.653439e-6 weeks 3.805e-7 months . Cnce temperature has been stabilized, the inlet spool piece and blind flange assembly shall be pressurized with air to 2.5 psig for 15 minutes. The seat leakage shall be measured and recorded.

Folicwing the tests outlined above, the oven temperature shall be reduced to 100*F and stabilized for 1 hour1.157407e-5 days 2.777778e-4 hours 1.653439e-6 weeks 3.805e-7 months . Once the temperature has been stabilized, the inlet speci piece and blind flange assembly shall be pressurized with air to 2.5 psig for 15 minutes. The seat leakage shall be measured and recorded.

2.0 PFCCEOCRIS The test item was placed in a temperature controlled oven and the even temperature stabilized at 200'F ; 3*F forll~ hours. The valve tempera-ture stabilized at 199.4*F.

The test item was removed from the oven and placed in another even, which was pre'-conditioned to 400*F 13'F. The oven temperature was re-established at 400'T i 3*F and maintained for 15 minutes. The test item was pcsitioned such that the inlet side was up, the disc hori: ental and the T-ring seal exposed to the oven environment. The test item temperature at the end of the 15-minute test was 218'F.

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HuntsviHe Feedity

9510- AXG ACO3- 50 60- 9 907 PAGE NO. I-3 TEST REPORT NO. 45390-1 APPE; DIX I CIRCUIAR CHARTS

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Muntsville F4Cihty i

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~ 9510- AXUACO3- 50 68- 9 997 PAGE NO. I-13 TEST REPORT NO. 45390-1 APPC; DIX IV

!!;53L7.C;TATIC I I;UIPPI!C SHEET

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9510-AX5AC03-5068-9 999 PAGE NO. I-15 TEST REPORT NO. 45390-1

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APPENO!X V FISHER OOCL' MENT TEST PGTO!/FG3 14A2

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9010- AXGAC03- G060- 9 501 Rev. A i ,

Attachment A-5 to Vogtle Qualification Report, FQP-11A Isomedix Radiation Exposure Certification Letter, Feb. 3, 1981

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9510- AXGACO3- 0060- 9 G02 A

na a m m oix February 3, 1981 Mr. Steve Hanzlik Fisher Controls Company P.O. Box 190 Marshalltown, Iowa 50158

Dear Mr. Hanzlik:

This will summarize parameters pertinent to the irradiation of one (1) 20" butterfly valve and actuator and two (2) each of 20" spools and blind flanges, as per your Purchase Order

220409. This is Wyle Job #45088.

The unit was exposed for a total of 189 hours0.00219 days 0.0525 hours 3.125e-4 weeks 7.19145e-5 months at~a dose rate of 0.49 megarads and received a dose of 90 megarads. It was

( then removed from the irradiator, tested by Fisher Controls personnel, and placed back into the radiation field for 206 hours0.00238 days 0.0572 hours 3.406085e-4 weeks 7.8383e-5 months at a dose rate of 0.49 megarads receiving an additional 100 megarads. This was the same unit previously exposed to 11 megarads (see July 22, 1980 certification to E. Campbell, Wyle Labs). Hence the total dose from all exposures was 201 megarads.

Dosimetry was performed using Harwell Red 4034 Perspex desi-

=eters, utilizing a Bausch and Lamb Model 710 spectrophoto-meter as the readout instrument. This system is calibrated directly with NES, with the last calibration being Nove=ber 11, 1980. A copy of the dosimetry correlation report is available upon request.

Irradiation was conducted in air at ambient te=perature and pressure. Radiant heat from the source heated the samples somewhat, but the temperature did not exceed 100 degrees F, as indicated by previous measurements on an oil solution in the same relative position.

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I loomedix Inc.

25 Eastmans Acac. marscDaay. New Jersey 07C54. (200 887 2666 l

9G10-AXGACO3-5068 el 503 Fisher Controls Company February 3, 1981 Irradiation was initiated on December 12, 1980 and was completed on December 23, 1980.

Very truly yours, ISOMEDIX, INC.

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David P. Constantine Production Manager DC:ns cc: Mr. G. Diet::

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25 Eastmans Acac. marsiepany. New Jersey 07054 . e23H 887-2666 I

e 9510- AXG AC0 3- 50 60- 9 G09 Rev. A k

Attachment A-6 to Vogtle Qualification Report, FQP-11A NA-30 Continental Mechanical Aging Test Report No.92-395 f,

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9G10- AXGACO3-G060- 9 500

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NA-30 iA fl5H23=

M-d 6" Type 9200 Butterfly Valve m m i .. .;;-

(' ary g#~ ir ' ' ' #3 '7 Cvele Test Report No.92-395 MA35HALLTCWN. ICWA PAGE ~ 0F g,7 i l iI I i l i l i i I l* I THE TABI.E EEI.CW SECWS THE RE7ISION I.I7EL OF EACH PAGE OF THIS CCCCE'iT.

A REVISION OF 2IS PAGE '4II.L BE MADE WEEN A.'E PAGE OF THIS CCCZENT IS

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WHEN REFERRING TO SIS DCCCE'iT, SPECITT SE REVISION I. EVE'. OF THIS PAGE.

PACE RIV!S!CN PAGE RIVIS!ON PAGE Rrl!S!CN NI.*M2ER LT,~:.*. NLM ER LT/IL NLMER *IVIL 0.1 A 1 A 2 A 3 A l

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9510-AXGACO3-G060 #1 UO6 CONTINC: CAL DI*.TS103 naren si, Ayeo Ctrl WilsLn Page 1 of 2 Ek 30 , hE.$3 I , bel. 4

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i TEST REPORT No.92-395

SUBJECT:

CYCi.E TEST ON 6" TYPE 9200 VALVE PUTPOSE:

To deter =ine cycle life of seat, bushings, shaf; packing, etc. on Type 9200 adjustable tee ring valve.

EQUIPMENT: 6" 150# Type 9200 adjustable tee ring valve with EPT seat, graphite bronze bushings, and preforned ribbon grafoil packing 480-30 POP actuator 164A Switching valve '

Cycle box Torque transducer BLH Recorder PROCEDURE: See Figure I for counting and piping used.

The valve was cycled every 20 seconds, opening against 150 psig pressure differential on each cycle. Zero pressure dif,ferential was maintained in the open position.

The packing was tightened only enough to obtain a seal at 150 psig for the first 10,000 cycles after which the packing nuts were tight-

{ ened to approxi=ately 110 inch-pounds.

} The seat was adjusted to caintain bubble tight shut-off at 150 psig pressure differential.

RESULTS: Seat -

The first T-ring installed lasted 16,000 cycles, requiring adjustment every one to three thousand cycles. The second T-ring installed lasted 25,000 cycles, requiring adjust =ent every cne to six thousand cycles.

Packing -

The packing required adjustnent every one to two thousand cycles for the first 10,000 cycles and every two to five thousand cycles for the re=ainder of the test. Total c:=pression of the packing was approxi=ately 35*. The packing was in good condition after 50,000 cycles.

Bushing -

The bushing showed no appreciable wear after 50,000 cycles. The projected bearing stress was 5,450 psi.

Shaft -

The shaft showed no appreciable wear after 50,000 cycles.

The shaft stress exceeded code allovable str'ess by 25~.

. Torque -

Calculated torque was 820 inch-pounds. As the*first T-ring vore the torque increased fres 630 inch-pounds initial torquo

, to 1,170 inch-pounds. The second T-ring had an initial torque of 495 inch-pounds and a maxi =un torque of 810 inch-pounds.

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c 9G10-AXGACO3-G048-4 G07 FISEER CONTECLS COMP.UY tt2rch 31, 1976 CONTINENTAL DIVISION Tect R':psrt #92-3C

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ABSTRACT A 6" Type 9200 adjustable tee ring valve with EPT seat, graphite bronze bushings and prefor=ed ribbon grafoil packing was cycle tested for 50,000 cycles to deter =ine the cycle life of the various components.

Based on the test results, the mini =um life of the various components should be as follows:

Metallic parts - greater than 50,000 cycles Grafo11 packing - greater than 50,000 cycles E.P.T. T-ring - greater than 12,000 cycles The packing and seat should be checked for leakage and adjusted every

, one thousand cycles. ,

.J WRITTEN BY: [" e CARL D. WILSON:kac APPROVED BY y MAM k Job No. CD76-5 Dis t. EDL-5 4 *

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( 1 CONCLUSIONS:

Based en the resluts of this test, the mini =um life of the various ec=ponents should be as follows:

Metallic parts - greater than 50,000 cycles Grafoil packing - greater than 50,000 cycles E.P.T. T-ring - greater than 12,000 cycles The packing and seat should be checked for leakage and adjusted as necessary every one thousand cycles.

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. . l Attachment A-7 to Vogtle Qualification Report TQP-11A Fisher Lab Proble's 1685-3, Report 11

" Determination of Activation Energies for Nuclear Service Elastomeric Materials" 4

Dated August 31, 1981

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9510-AXGAC03-G060 #. G13 UlSTRtBUTION .

RESTR!CTED FISHER CONTROLS COMPANY

/ g MARSH ALLTOWN, IOWA PROB. 1685-3 II REPORT I

PAGE _

CONFIDENTIAL 8-31-81 DATE sino?.EUIy*eI.se LABORATORY REPORT >

l To --

I.ABORATORY REPORT Date [5I!M_ DETERMINATION OF ACTIVATION ENERGIES FOR DO NOT REPRODUCE NUCI. EAR SERVICE ELASTOMERIC MATERIALS ABSTRACT Activation energy, a parameter defining the time / temperature interrelation-ship via the Arrhenius rate equation, was determined for nine elastomeric materials presently used in Fisher nuclear service valves and accessories.

Major material types tested were ethylene propylene rubber, nitrile rubber, neoprene and Viton.

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M40Al

9G10- AXG ACO 3- G0 60- 1 S i di FISHER CONTROLS COMPANY MARSHALLTOWN. IOWA k 1685-3 ;

PROB.

REPORT PAGE 8-31-81 DATE LABORATORY REPORT l INTRODUCTION Of the many predictive models for long-ters thermal aging of organic material, the most generally accepted 1, 2, 3, ** is the Arrhenius reaction rate equation, 4

dt

= Ae The terms of this equation are defined as:

h=therateofreductioninsomepropertywithtime A = a constant k = the Boltzmann constant = 8.6168 x 10~5 eV/*K T = absolute temperature, in *K

$ = the Activation Energy of the aging reaction, in eV In order to establish confidence in our accelerated aging techniques for quali-fication of nuclear service valves actuators, and other appurtenances, a study was made to determine the actual activation energies for nine materials using as specimens actual parts wherever possible. Up to this time, we have used factors for general organic materials which have been considered conservative.

The test plan was carried out in much the same manner as suggested in the documenti, attached to the letter requesting this study.

If

Superscript numbers refer to items listed in Reference Section.

M40A2

9510-AXUACO3-G068-9 G1D FISHER CONTROLS COMPANY MARSHALLTOWN IOWA II REPORT 3

PAGE DATE 8'31~81 LABORATORY REPORT TEST PROCEDURE Materials Tested A summary of the materials tested is given in Table 1. In general, the materials can be divided into 4 material groups:

A. Ethylene propylene rubber (EPDM) products B. Nitrile rubber (NBR) products C. Neoprene (CR) gisket material D. Viton or fluorelastomer products.

These materials are representative of the major elastomeric components used in Fisher's nuclear service butterfly talves, actuators and regulators.

l

/

l I Specimen Preparation Items 1 & 2 Extruded T-ring stock was obtained from the supplier in 50 foot lengths (for both cross-sections) and cut into 8" lengths.

Items 3. A & 5 0-ring specimens were ordered from existing stock and were aged and tested as whole 0-rings.

Item 6 l Size 60 molded diaphragms were ordered from stock and test specimens cut from the flat sections of these diaphragms.

l Item 7, 8 & 9 l Sheet stock was obtained from our local supplier. This is the same stock i that is used to cut th nrious diaphragms and gaskets cited in Table I.

I Specimens for Muller' hri t Test were cut out of the diaphragm sheet stock and tensile bar " ppt,cch were die cut from the gasket stock.

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M40A3

9510-AXDACO3-5068 e. 016 FISHER CONTROLS COMPANY MARSHALLTOWN. IOWA k PROB. 1685-3 11 REPORT

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4 PAGE l DATE 8-31-81 LABORATORY REPORT Oven Asing Specimens were aged in circulating air ovens in accordance with ASTM D573-67, " Standard Test Method for Rubber Deterioration in an Air Oven". I i No attempt was made to control or to add humidity to the oven air. For the record, a calculation was made to approximate the relative humidity at the aging temperature. If room temperature air at 100% relative humi- ,

dity were heated to 200*F (the lowest aging temperature), the relative l l humidity would be 0.7%. It is, therefore, safe to state that at all aging l conditions, the relative humidity was less than 1%. l l

The aging temperatures were selected, based on past experience, literature sources, etc., to produce the desired amount of property degradation in a minimum of one day to a maximum of 30 days. In general, this amounted to 3 temperatures for each sample spaced 25'F apart. Using the recommended ASTM D1349 temperatures with spacing of 25'C would have spread the test f'

times out considerably. An attempt was made to obtain 4 different exposure.

times at each temperature. For most materials this meant a total of 13 data sets (1 control + 3 temperatures x 4 times) with four replicates in each set.

Physical Testing -

All Items Hardness data was obtained on all specimens. Tests were run according to ASTM D2240 using Durometer Type "A" where possible. In some instances where "A" readings were extremely high, Type "B" readings were obtained and converted to "A" reading using a standard conversion chart.

Items 1 & 2 L

Tensile tests were run using wedge action grips and the following test l

conditions.

Item 1 Item 2 Test Machine Instron Tinius-Olsen Test Speed 20"/ minute 3"/ minute Initial grip separations 1" 2" Maximum extension 17" 6" M40A4

9510- AXG ACO3- G0 60 '. G17 FISHER CONTROLS COMPANY MARSHALLTOWN, IOWA 1685-3

( PROB.

11 REPORT 5

PAGE DATE 8-31-81 LABORATORY REPORT i Items 3, 4 & S Tensile tests for the 0-ring specimens were performed in accordance with j ASTM D1414-78 " Testing Rubber 0-Rings" using Scott Tester and standard 0-ring test fixture.

Items 6, 7 & 8 The diaphragm materials were tested for burst strength as described in i ASTM D751-73 " Testing Coated Fabrics" (Section 15.3) using Mullen Tester. l 1

Item 9 The neoprene gasket material was tested for tensile properties using ASTM ,

D412-75 " Standard Test Methods for Rubber Properties in Tension". Scott l Tester was used with standard can action grips. l

( Treatment of Data Data for each set was averaged and generally each property was plotted versus log time, resulting in a curve for each temperature. Then, at a certain degree of physical degradation (usually a value close to the mid- ;

range of the data was picked) the times to reach the stated degradation :

was obtained. The activation energy was calculated using regression analy- l sis to obtain the best fit to the expression:

Int =A+f(f)

The resulting slope was $/K, and the activation energy $ was obtained by multipying the slope by the Boltzmann constant, K = 8.6168 x 10~5 eV/*K.

The same results could also be obtained graphically by plotting the data on log time vs reciprocal of absolute temperature and finding the resulting slope.

(

M40A5

e 9G10-AXGACO3-5060 e G1B FISHER CONTROLS COMPANY MARSH ALLTOWN, IOWA 1685-3

( PROB.

11 REPORT 6

PAGE 8-31-81 DATE LABORATORY REPORT DISCUSSION OF RESULTS The test results are summarized in Table II. Here the calculated Activation Energies are given for all the materials tested. Also listed are the tempera-ture range of the oven aging and the properties tested to determine the activa-tion energies. Only valid results are included in this table. In some cases, such as Item 7, a nitrile / nylon diaphragm material, there was not a significant change in burst strength to use for a valid determination.

Due to the nature of the tests and the inherent variability of elastomeric material there was considerable data scatter. However, when several data points are plotted for each aging temperature, the effect of the scatter is considerably reduced.

In most cases, at least two properties were used to determine the activation energy, and in these cases the agreement was reasonably good.

( In the Appendix, the average value and the standard deviation is listed for all the aging temperature / time conditions for all nine materials tested. Also given are plots of each property versus log time, and Arrhenius plots of log time vs reciprocal absolute temperature for each material. These latter plots are presented to establish a visual degree of the conformance of the data to the Arrhenius relationship. The actual activation energies were calculated -

using linear regression curve fitting to the same Arrhenius equation which is more accurate than the graphical technique.

The object of this study was to establish a minimum (most ccuservative) activa-tion energy for Fisher valves and components for use in qualification testing.

Due to impracticality of aging elastomeric parts to their end of life condition at normal use temperatures, an accelerated aging step is included in almost every qualification test. The aging conditions are established using the Arrhenius rate equation and require knowledge of the actual activation energy or if more than one elastomer is involved, the lowest activation energy value.

In Table III, the average and minimum activation energy values are listed for the four major types of materials tested. For valves and components contain-ing either EPDM or nitrile rubbers it is apparent that an activation energy of

$ = 0.79eV would be conservative. There is a high probability that the actual activation energy is higher.

To further establish the validity of the test results, activation energy values from the literature are listed in Table IV along with results from this study.

With the possible exception of the Viton 0-ring material which was quite high

( in this study, all tested materials agree quite well with literature values.

Even if the literature values are used for Viton, the .79eV minimum is still very conservative.

M40A6 .

9G10- AXGAC03-3060 et U19 FISI-IER CONTROLS COMPANY MARSHALLTOWN, IOWA 1685-3

. PROB.

II REPORT 7

PAGE 8-31-81 DATE LABORATORY REPORT CONCI.USIONS

1. The Arrhenius rate equation is a valid method for predicting time / temperature effects in elastomeric materials.

2. For materials used in Fisher valves and accessories, the use of an activa-tion energy of 0.79 eV to establish qualification aging parameters would be conservative. (The lower the activation energy, the longer the simulated aging time at any given aging temperature.)

3. Exposing specimens in a circulating air oven appears to be a valid technique for accelerating the elastomeric aging process.

RECOMMENDATIONS

r 3

s 1. As the materials chosen for this study were the major elastomeric components used in Fisher nuclear service valves and accessories, the minimum activa-tion energy found (0 = 0.79eV) should be used to establish aging parameters via Arrhenius equation for future qualification testing.

I W. H. Haslett Evaluation & Analysis B

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M40A7

9G10- AXGAC03- G068- 4 G20 FISHER CONTROLS COMPANY MARSHALLTOWN, IOWA PROB. 1685-3 k

11 REPORT 8

PAGE DATE 8-31-81 LABORATORY REPORT REFERENCES

1. Educational document by Floyd D. Jury, "Using the Activation Energy Concept for Accelerated Aging of Elastomeric Materials". August 25, 1980

2. M. L. Blaketon, et al, "The Testing of Elastomers for Channel Seal Plugs in a Steam Generating Heavy Water Nuclear Reactors", 8th International Conference on Fluid Sealing, September 11-13, 1978.

3. T. C. P. Lee, et al, " Thermal Stability of Elastomeric Networks at High Temperatures", Journal of Applied Polymer Science, Vol.10, pp 1831-1836, (1966)

4. R. R. Dixon, " Constructing an Arrhenius Plot with Only One Data Point",

SPE - Annual Technical Conference, May 1981g

5. H. A. Pfisterer, et al, " Assessing the Performance of 011 Resistant Vulcanizates at High Temperatures, J. Elastomers & Plastics, Vol. 7, No. 4, pp 427-55 (October '75).

6. Dupont literature

7. J. Mandel, et al, " Measurement of the Aging of Rubber Vulcanizates",

Rubber Chemistry & Technology - National Bureau of Standards, Nov 8-13, 1959 - International Rubber Conference, Washington, D.C.

8. E. A. Salazar, et al, " Physical and Chemical Stress Relaxation of a Fluoro-elastomer", J. of Applied Polymer Science, Vol. 21, pp 1597-1605 (1977).

9. K. T. Gillen "A Method for Combined Environmental Accelerated Aging",

Sandia Laboratories Report SAND-78-0501C.

s M40A8 l

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r-Table.I SUttlARY OF HATERtAI.S TESTED t CONDITIONS, AND TESTS RUN ,

, D' X

L1 Material Specimen . Tests Test Max. .bc Item Reference Temps.' Test No. Test Material No. Part No. Description Run (*F) Times (Days) 'f L1 1 Small cross-section 06AC K1241605553- Tensile 250 30.

(1"xl")

2 i EPDM T-rings (UIt.Elong) 275 14 to -

used in Type 9280 Extruded stock Hardness 300 7 8" length ,

2 1.arge cross-section 06BC KI106405553 8" length of Tensile 250 30 . .

(7/8"xl") EPDH T-rings used in Type extruded cross-section (Ill t . Elong) liardness 275 300 14 7

{

r.

9280 3 Nitrile rubber 0- 050F 1R752806562 0-ring Tensile 200 30 rings, as used in (DS-52-4) 214 "x2'4"x t /8" (Ult.Elong) 225 30 Types 667 & 470 liardness 250 14 275 7 4 Viton 0-rings, as 065E IN332506382 0-ring Tensile 475 30 used in Types 667NS, (DS-52-5) 1-7/8"x2-1/8"xt/8" (Ult.Elong) 500 21 470 and 95 liardness $25 7 250 :10 5 EPDtl 0-rings, as 06511 10A3329X012 0-ring Tensile 215 14 used in Type 9280 (OS-52-7) 2-3/16"x2-3/8"x3/32" (Ult.Elong) 300 7 l'a rdness 325 4 6 Nitrile / Nylon dia- 0220 2E859702202 pieces cut from Mullen Burst 225 30 phrauns, as used in (FHSl7E44) molded diaphragm Hardness 250 14 NS actuators (Size 60) 275 7 7 Nitrile / Nylon dia- 0205 18798102052* pieces cut from Mullen Burst 225 30 phragms, as . used in (IMS 17E 39) 17E39 stock- Ilardness 250 14 67FR regulators 275 7 ann 7 8 Viton/ Dacron dia- 0233 IV107802332* pieces cut from Mullen Burst 425 30 phragms, as used in (IMS17E53) .17E53 stock Hard ness 450 14-67FR regulators 475 7 9 Neoprene gaskets, 0301 1C128003012* tensile bars cut Tensile '225 30 as used in 67FR (Itts l 7Cl) from 17Cl stock (Ult.Elong) -250 14 regulator liardness 275 7 2 Typical finished part number Problem 1685-3

. s

9010- AXG AC03- D068 el G22 Problem 1685-3 Report 11

( Table II - Summary of Test Results ACTIVATION ENERGY STUDY Temperature Range Property Material Descriotion (*F) Activation Energy )

eV (Kcal./gmole Tested

1. EPDM Extruded T-rings 250 - 300 1.07 (24.8) Elongation 1/2" x 1/2" section 1.04 (23.9) Tensile Strength 0.95 (22.0) Hardness

2. EPDM Extruded T-rings 250 - 300 .80 (18.5) Elongation 7/8" x 1" section .81 (18.6) Tensile Strength

.84 (19.4) Stiffness

.92 (21.1) Hardness

5. EPDM 0-rings 250 - 325 1.38 (31.9) Elongation 2 3/16" x 2 3/8" x 3/32" 1.22 (28.1) Hardness

3. Nitrile Rubber 0-rings 200 - 275 , 0.88 (20.3) Elongation 21/8" x 21/2" x 1/8"

6. Nitrile / Nylon Diaphragm Material 225 - 275 0.80 (18.3) Mullen Burst Str.

0.79 (18.2) Hardness (FMS17E44)

7. Nitrile / Nylon Diaphragm .

Material 225 - 300 0.94 (21.8) Hardness (FMS 17E39) Could not determine Mullen Burst Str.

9. Neoprene Gasket Material 225 - 275 1.00 (23.0) Elongation 1.02 (23.4) Hardness (FMS-17Gl)

4. Viton 0-rings 475 - 525 2.06 (47.5) Elongation 1 7/8" x 2 1/8" x 1/8" Hardness 1.81 (41.7)

8. Viton/ Dacron Diaphragm Material 425 - 475 1.35 (31.1 ) Mullen Burst Str.

1.35 (31.2) Hardness (FMS 17E53)

/pkg 8-31-81

Ws10- AXG AC0 3- 5 0 68- 9 523 Problem 1685-3 Report 11

.{ Table III Activation Energies For Material Types Material Average Value Minimum Value A. EPDM 1.00 eV 0.80 eV B. Nitrile Rubber 0.85 0.79 C. Neoprene 1.01 1.00

0. Viton (1) Viton alone 1.94 1.81 (2) Viton/ Dacron 1.35 1.35 (Dacron probably controlling)

ALL TESTS 1.11 0.79 I

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~/pkg 8-31-81,

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'9G10-AXGAC03-UO60-9 529 Problem 1685-3 R; port 11

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Table IV Summary of Literature Data Activation Energy Property Reference Material Type e, (eV) Tested Number EPDM 0.93 Elongation 4 0.93 Elongation 4 F Elongation 1.05 5

. Hardness Modulus LTensile Strength 0.83 - 1.32 Tensile Strength 6 0.95 Hardness 2 Compression Set Volume Change This Study

.l.02 fLensileStrength T

Elongation Hardness

( 0.84 1.30 Hardness & Modulus This Study Elongation, Hardness This Study Nitrile Rubber 1.30

Elongation 4

- 1.31 Elongation 4 0.80 - 0.96 Elongation 7 0.96 - 0.98 Elongation 5 0.88 Elongation This Study 0.795 Burst Str., Hardness This Study 0.94 Hardness This Study Neoprene 1.16 Elongation 4 1.27 Elongation 4 0.84 Elongation 7 0.91 Elongation 8

. 1.01 Elongation, Hardness This Study 1.05 Seal 4 Viton (Fluroelastomer) 1.55 Stress Relaxation 8 1.34 -

6 1.94 Elongation, Hardness This Study Dacron (Polyester) 1.27 Te'nsile Strength 4 1.35 Burst Str., Hardness This Study r

! /pkg l 8-31-81 .

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9G10-AXGAC03-5068-S G2G Problem 1685-3 Report 11 k

APPENDIX Table of Contents Material Page Number Figure Numbers

1. EPDM T-Ring (1/2" x 1/2" section) A-1 A-1, 2

2. EPDM T-Ring (7/8" x 1" section) A-2 A-3, 4

(-

l- 3. Nitrile Rubber 0-Ring A-3 A-5, 6

4. Viton 0-Ring A-4 A-7, 8

5. EPDM 0-Ring A-5 A-9, 10

6. Nitrile / Nylon Diaphragm (FMS 17E44) A-6 A-11, 12 l 7. Nitrile /NylonDiaphragm(FMS17k39) A-7 A-13, 14

8. Viton/ Dacron Diaphragm (FMS17E53) A-8 A-15, 16 '

i

9. Neoprene Gasket Material (FMS17GI) A-9 A-17, 18 l

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SUMMARY

5.0 REFERENCES

Dear Mr. Hanzlik:

SUBJECT:

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