NO DATE PSA - Nuclear Regulatory Commission · The PSA 1/4 snubbers were placed in the Steam...

REPORT NO

DATE

1801104-05 PSA 1/4QUALIFICATION TESTING

BERGEN PATTERSON

C. F. BRAUN SPECIFICATION 400-20

TVA "STRIDE"

FROM

PaCIFIC5CIEllTIFIC

KIN-TECH DlVISlON

PREPARED BY AP OE Y

Test En ineer. E. Glauser

Director of Engineering

W'. S. Wri ht Jr.'C ef Dev lop ent Engineer

RE V. DATE BY APPD. BY PAGES AFFECTED

. A. Hadnagy

Quality Control Manager

3/18/80

8208250383 820818PDR.„ADOCK 05000259

'0, Appendix 2 typographical

gjggAIORY DOREf FILE tlDPY

P PDR

PACIFIC SCIENTIFIC ~ KIN-TECH'IVISION DAIRYljK~H f1l.f SPY1346 S. State College Blvd. Anaheim, Ca. 92803 (714) 774-6217

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P lip,g q @gag

REPORT NO. TR 839—

PAGE E OF

TABLE OF CONTENTS

Administrative Data

Equipment ListCertificationTesting

~Pa e

3

4

1.02.03 ~ 0

4.05.06.0

Acceptance Tests

Dynamic Load Cycling, Room Temperature

Abnormal Environment .

Dynamic Load Cycling, 200 F

Additional Load CyclingSummary and Conclusions 10

OscillogramsAbnormal Environment Logs

Appendix

1. Initial Functional Test Data Sheets and

Material Traceability Record

2. Spring Rate Calculations

Enclosure

l. Acceptance Test Procedure I.T. 527

Photographs

l. Identification2. Break-Away Friction Test Stand

3. Acceleration Test Stand

4. Dynamic Load Cycling at Room Temperature

5. Abnormal Environment Set-up

6. Dynamic Load Cycling at 200 F

11 — 18

19 — 20

PACIFIC SCIENTIFIC ~ KIN-TECH DIVISION1346 S. State Coltege Bivd. Anaheim, Ca. 92803 (714) 774-5217

REPORT NO. TR 839I

PAGE > OF

ADMINISTRATIVEDATA

PURPOSE OF TEST

To determine the ability of the 1801104-05 Shock Arrestor to meet theQualification Test requirements.

MANUFACTURER

PACIFIC SCIENTIFIC COMPANY, KIN-TECH DIVISION, 1346 S. State CollegeBoulevard, Anaheim, California.

MANUFACTURER'S TYPE OR MODEL NO.

P/N 1801104-05 MODEL PSA 1/4

APPLICABLE DOCUMENTS

C. F. Braun Specification 400-20 Rev. 5

PSCo Drawing 1801104-05

PSCo Qualification Test Procedure DR 1506 Rev. 3

PSCo Acceptance Test Procedure I.T. 527 Rev. R

UANTITY OF ITEMS TESTED

Two (2) P/N 1801104-05 Shock Arrestors S/N 10061 and 10062 were used forthe test program. They were selected at random from a production lot.The test units were built in accordance with ASME Boiler and Pressure

Vessel Code Section III, Subsection NF. Summer 1977 Agenda and Code

Case 1644-5. Each of the test units were sub)ected to all of the requiredtests.

TEST COMPLETION DATE

16 November 1979

TEST CONDUCTED BY

PACIFIC SCIENTIFIC COMPANY, KIN-TECH DIVISION, ARQKIM, CALIFORNIA

SECURITY CLASSIFICATION OF ITEMS

Unclassified

PACIFIC SCIENTIFIC ~ KIN-TECH DIVISION1346 S. State College Blvd. Anaheim, Ca. 92803 (714) 774-S217

E UIPMENT LIST

Col

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Co

Co

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QlI3

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CDlOCOC)CD

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TEST

DimensionalExamination

Breakaway FrictionForce 6 Lost Motion

Acceleration/Load

Dynamic Load

Abnormal Environment

~EUIPNENT

Standard MicrometersHeight Gages, etc.

1801 HF-1 Holding FixtureSpring ScaleDial Indicator - .001/Div.

1801104-TF-2 FixtureMeylan Digital TimerModel 112

M-B Electronic VibratorModel ClOEOrmond Load CellModel L-25-6K, S/N 1131

Tektronix OscilloscopeC. L. Collins LinearMotion TransducerModel LMT 12911, S/N 19447

Omega Digital ThermometerModel 2175AWith Thermocouple

B.T.C. Steam Chamber0-100 PSI Pressure Gage

(Data on file in quality Control Dept.)

+ 1 lb.+ 1/2 div.

5/21/795/21/79

6 months6 months

+ .Ol sec. 9/24/79 3 months

+ 0.5X

+ 1X

9/13/79 6 months

Daily

+ 1X Daily

+ 1X

+ 1%

9/5/79

10/5/79C

12 mths~

Q- 2J3

months

CALIBRATION CALIBRATIONTOLERANCE DATE PERIOD

Omega Digital ThermometerModel 2175AWith Thermocouple + 1X 9/5/79

c- 0

12 0months

REPORT NO. TR 839

PAGE E OF

CERTIFICATION

I, the undersigned, being a registered ProfessionalEngineer in the State of California, competent in thetesting and evaluation of Mechanical Shock Arrestors,certify that this report truly and accurately presentsresults of tests performed in accordance- with theapproved test procedures.

8

/y~'* Q H I 7y ~lg ~,

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Certified by

Quality Engineer

State of CaliforniaRegistration No. 1919

g,t, l—Zl - /PM

PACIFIC SCIENTIFIC ~ KIN-TECH DIVISION1346 S. State College Blvd. Anaheim, Ca. 92803 (714) 774-5217

REPQRT gO TR 839

PAGE OF

TESTING

1.0 Acce tance Tests

The test units were examined and tested to the requirements of I.T. 527,

enclosure 1. Photograph 1 identifies the test unitg. Photograp'h 2

shows the breakaway friction test stand. Photograph 3 shows theacceleration test fixture. The breakaway friction must not exceed

5 lbs. and the snubber must limit the acceleration to .02 g maximum

(.51 seconds for 1 inch travel). The calculations are as follows:

a 23386t

1.2 Procedure

(.»)~ 02 G

1.2.1 Breakawa FrictionThe breakaway friction was measured vith the unit extending

and retracting. The measurements vere made at mid positionand approximately 1/2 inch away from the fully retracted and

fully extended position.

1.2.2 AccelerationA constant load was applied to the snubber and the time

required for the unit to travel 1 inch was recorded. The

test was made vith tension and compression loads.e

1.3 ResultsBoth snubbers met the requirements.

S/N

10061

10062

Friction-Lbs.(5 lbs. max.)

3.0 lbs.2.5 lbs. 0. 69 0.70

Acceleration(0.51 sec. min.)

Ext. Retr.

0.75 sec. 0.68 sec.

Refer to Appendix 1 for actual data sheets I.T. 527, Page 4.


REPORT NO. ~ TR 839

PAGE ~ QP 20

2.0 D amic Load C clin Room Tem erature

2.2

Rated load (350 lbs.) shall be applied for ten seconds at each stepin both tension and compression between 3 and 33 Hz in'5 Hz steps.The lost motion during dynamic cycling shall not exceed .040 inch.The unit spring rate shall be calculated from the load/deflectionphotographs between 8 and 18 Hz. The average value shall be equal toor greater than 12 x 10 lbs./inch less 10%.

3

~ Spring Rate ~ Pull Rated Load eak to eak)Total deflection less lost motion

Procedure

The snubber was installed in an MTS load cycling machine and positionedto approximately mid-position of travel. A linear motion transducerwas installed to measure unit travel or displacement. A load cellwas in line with the unit centerline to measure axial load. Refer toset-up in Photograph 4. The displacement and axial load were monitoredon an oscilloscope with the displacement on the vertical axis and the

load on the horizontal axis. Refer to the photographs on pages 10

thru 13 . The input motion was a displacement that varied as a sinewave which resulted in a load being developed in both tension and

compression. Rated load was applied for 10 seconds at each of the

seven frequency steps.

2.3 ResultsThe unit met the requirements. Refer to oscilloscope photos and

Appendix 2.

S/N

10061

10062 ~ 026

Lost Motion — Inches Spring Rate Lbs/Inch.040 inch max.) (10.88 X 10 ~ Lbs/Inch Min.)

. 017 18.5 x 103

18.35 x 10 3


REPORT NO. TR 839

PAGE ~ OF 20

3.0 Abnormal Ambient Environment

3.1The shock arrestors at room ambient condition shall be placed in a

chamber capable of maintaining pressure and temperature.'he chamber

conditions shall then be adjusted to the Phase I Condition and thenalloved to decay gradually through Phase II, III and IV as outlined.

(1) Phase I:

(2) Phase II:(3) Phase III:

(4) Phase -IV:

330F, (-)2 to (+)15 psig, all steam for 3 hours

330F, (+)30 psig, all steam for 45 seconds

310F, (-)2 to (+)15 psig, all steam for 6 hours

250F, 0 to 15 psig, 100 percent relative humidity (RH)

for 24 hours

250F to lOOF, 0 to 15 psig, 100 percent relative hum-

idity for 1 day (24 hours)0Following the steam test the unit shall be stabilized at, 200 F and

sub)ected to the breakaway friction and acceleration test.

3.2 Procedure

The PSA 1/4 snubbers were placed in the Steam Chamber with units ofother sizes. Refer to photograph 5. The chamber was sealed and a

quantity of water was introduced into the chamber. Heat was appliedto the chamber and the temperature was monitored with a thermocouple.

The chamber conditions vere ad)usted to 330 F and + 15 psig (Phase I).0

The air was vented from the chamber which resulted in the units being

sub)ected to "all steam". The temperature was maintained at 330 F

minimum and the pressure was allowed to vary between 0 and 15 psig.The superheated steam condition was obtained by draining water from

the chamber in order to keep the pressure from increasing above 15 psig.A log vas maintained of the temperature and pressure. Refer to pages

18 and 19.

After 3 hours the pressure was increased to 30 psig for 45 seconds by

adding more water, and then reduced to the condition of Phase II and

maintained for 6 hours.

0The temperature was then allowed to drop to 250 F and the pressure was

maintained between 0 and 15 psig, Phase III. After 24 hours the cham-


REPORT NO. TR 839

PAGE 9 QF

0 0ber temperature vas ad)usted to between 250 F and 100 F whilemaintaining the pressure between 0 and 15 psig. (Phase IV). These

conditions were held for another 24 hour period. The chamber was

then opened and the units were visually examined. The snubbers were

stabilized at 200 F for 2 hours and then subjected to the breakaway

friction and acceleration tests.

3.3 ResultsThe exterior of the units displayed a darkening in color, but therevas no base metal corrosion. The friction and acceleration valuesvere met at 200 F.0

S/NFriction — lbs.

5 lbs. max.'cceleration(0.51 sec. min.)

10061 3.5 lbs.Ext.0. 66

Retr.0. 58

10062 3.0 lbs.4.0 D namic Load C clin at 200 F

0. 64 0. 62

4.

Same as Paragraph 2 1 except the unit shall be at 200 F. (10 seconds

at each st:ep, between 3 and 33 Hz in 5 Hz steps.)

4.2 Procedure0

Same as Paragraph 2.2 except the unit shall be stabilized at 200 F for2 hours before load cycling. A temperature chamber was placed around

II

the snubber which was installed in the load cycling fixture. Refer to

Photograph 6.

4.3 ResultsThe unit met the requirements. Refer to Pages 15 thru 18 for the load

cycling photographs. The maximum lost motion during cycling was:

S/N 10061 .027 inch (8 Hz)

S/N 10062 .025 inch (8 Hz)

5.0 Additional Load C clin Room Tem erature

A total of 5,000 cycles is required for each snubber. All cycles'ppliedduring testing of Paragraph 2.0 and 4.0 shall be subtracted from 5,000

PACIFIC SCIENTIFIC ~ KIN-TECH DIYISION1346 S. State College Blvd. Anaheim, Ca. 92803 (714) 774-5217

I

REPQRT NQ. TR 839

PAGE ~ OF 20

and the remaining cycles shall be run at room temperature at ratedload and at 3 Hz.

~Fre ueue S/N 10062

5.2 Procedure

The procedure details were the same as Paragraph 2.2, except allcycles were applied at 3 Hz. The cycles were run as follows:

~Ce leeS/N 10061

3 — 33 Hz

3- 33

5.3 Results

75 F

200

75

TOTAL

1490

1530

1980

5000

1415

2170

1415

5000

There was no failure. Each snubber was in good condition after thetest.

6.0 Summar and Conclusion

The shock arrestors met all requirements of the test program. There

was no failure or damage to the units.

1. Lost Motion.040 inch-max.

2. Breakaway Friction5 lbs. max.

Acceleration Test0.51 sec.-min.

S/N 10061

.027 inch

3.5 lbs.

0.58 sec.

S/N 10062

.025 inch

3.0 lbs.

0.62 sec.

3. Dynamic Test Response

4. Spring Constants

(12 x 10 ) - (1.2 x 10 )3 3

~ 10.8 x 10 lbs/inch3

(Refer to load-displacement photo-graphs)

18.5 x 10 lbs/in. 18.35 xl0 lbs/in.3 3

PACIFIC SCIENTIFIC ~ KIN-TECH DIVISION1346 S. State College 8lvd. Anaheim, Ca. 92803 (714) 774-5217

180 — 5

ll 7 79

S/I 10061,

PSA 1/475 F

REPORT NO.

PAGE OF

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P/N S/N

PsA 1/475 F

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1346 S. State College Blvd. Anaheim, Ca. 92803 (714) 774-5217

S(N REPORT NOP/N

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PSA 1/4075 F

REPORT NO. TR 839

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P/N 1801104-05

DATE ll/16/798/N= 10061

PSA 1/4200 F

REPORT NO.

PAGE ~E OF

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r/NDATE 11/16/79

S/N

PSA 1/4200 F

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$ 346 S. State College Blvd. Anaheim, Ca. 92803 (7th) 774-5217

REPORT NO.

PAGE tr QF 20

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PACIFIC SCIENTIFIC ~ KIN-TECH DIVISION1346 S, State College Blvd. Anaheim, Ca. 92803 (714) 774-5217

REPORT NQ.

APPENDIX 1

INITIALFUNCTIONAL TEST DATA SHEETS

AND MATERIAL TRACEABILITYRECORD,

I.T. 527 PAGES 4 AND 5.

TOTAL OF 4 PAGES


TR 839

APPENDIX 1

4 PAGES

PAGE 6 OF

Rev. P

ADDENDUM

Final Inspection Check ListPSCo 1801104

Shock Arrestor/

Ref. paragraphs refer to paragraphs from this procedure, IT-527.

Part No. 1801104- C .>

PSCo P.O. No.

Shop Order No. -/ ~ -(9$~h~

Serial No.

Date /0 -7- 7Customer

I. Examination of Product (para. 5.1)

(a) Dimensional........

(b) Workmanship........

Functional Tests (para. 6. 0)

~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ e e ~ ~ e e ~ ~ ~ ~ ~ ~ Ep

~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ e ~ ~ ~ ~ e ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ Ep

QPPK II .

IV.

Os

CGGQA

Breakaway Friction Force (5.0 lbs. max. or 6.5 ebs. max.)(para. 6.1)..Actual 3

Travel (4.0 for -05)(2.5 for -07)(para. 6.2)............Acceleration Test (.51 sec. min./1.000 travel)(para. 6e3)

Extended . 7~

Retracted JPLost Motion (.030 max.) (para. 6.4)................Actual~+

Inspector

Stamp~iDa e ~ e

PACIFIC SCIENTIFIC, + KIN-TFCH DIVISION

1346 S. State Cc)liege Blvd. Anaheim, Ca. 92803 (714) 774-5217

TR 839

APPENDIX 1

4 PAGES

PAGE < OF

Rev. P

ADDENDUM

Final Inspection Check ListPSCo 1801104

Shock ArrestorRef. paragraphs refer to paragraphs from this procedure, IT-527.

Part No. 1801104- D .>

PSCo P.O. No. 2Shop Order No. -/ g~ -(B~h~

Serial No.

Date /0 - P - '7

Customer

Examination of Product (para. 5.1)

(~ ~a) Dimensional............................. ~ ~ . ~ ~ .......

(b) Workmanship...........- .. -. «. «- .. ~ ... ~ ~ - ~ ~ . F

~ Functional Tests (para. 6.0)

QP II. Breakaway Friction Force (5.0 ibad max. or 6.5 lbs. max.)(para. 6 ') ~ .Actual

III'ravel (4.0 for -05)(2.5 for -07)(para. 6e2) ~ ~ ~ ~ ~ .......IV Acc.eleration Test (.51 sec. min./1.000 travel) (para. 6 ~ 31

Extended

Retracted~@V. Lost Motion ( ~ 030 max.)(para. 6 ') ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ .Actual~/ ~

InspectorStamp p Da e

PAClFIC SCIENTIFlC ~ KIN-TECH OlYtSION

1346 S. State GollePe Blvd. Anaheim, Ca. 92B03 (714) 774 52'l7

( ~TR 839

APPENDIX 1'

PAGES

1

ASIDE SECTION XII, DIVISION ISUBSECTION NF

MATERIALS TRACEABILITYTABUIATION1

Psco P/N lb'Ol oV-D~1 1 1H

Owner/Agent

AEPGET NO. ~~2PAGE

Rev. P

Date E- 7l

Part No. DescriptionMa teria1

Code Number Stamp

1801241

1801242

1801244

1801247

1801250

1801533

1801530

1801531

g xeouoe

1801252

1801299

Inertia, Mass

Torque Carrier

Scree Shaft

Tube, Outer

Tube Inner

Rod 6 Hut hssy.

Rods (2)

Plu End

KEY hNTI-ROTATION

Guide Plate

Hou~sin

(1) (2)

s

>9'%5p

I Pirql3$ p

3P p)

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(

TR 839

APPENDIX l,4 PAGES

ASME SECTION III, DIVISION ESUBSECTION NF

NATERIALS TRACEABILITYTABUIATION

PSCO PIN /SET/ OV 6+Serial No. 42

REPORT NO. ~~2PAGE OP

Rev. P

Owner/Agent <Pt ~ 4 4P'@ah

Date

Part No. DescriptionMaterial

Code Number Stamp

1801241 Inertia, Mass

1801242 Torque Carrier

1801244 Screw Shaft

35p

1801247 Tube, Outer

1801250 Tube, Inner

1801533 Rod 6 Hut hssy.

1801530

1801531

g; Xeouo3

1801252

1801299

Rods (2)

Plu End

KEY hNTI-ROTATION

Guide Plate

Hou~sin

JACtFiC SCtENTtRC COMPANY Aircraft ProdLrctR OiYiahn1346 South State Cottege Boutevard ~ Areheiiri, Calitorriia 92b03 ~ ]T54) TTi 521T

o„, L

'EPORT, NO.

APPENDIX 2

SPRING RATE CALCULATIONS



REPORT NO.

APPENDIX 2

PSA 1/4SPRING RATE CALCULATIONS

QA AVERAGE ALLGGAELE RATE 12 - 1.2 10.8 x 10 Lbs/Zneb3

S/N

10061

Temp o

F

75

Peak-Peak DynamicFreq. Load Disp1.

Hz Lbs. Inch

8 735 . 048

18 630 . 060

LostMotion

Inch

. 015

. 017

Spring Rate1 x 10 Lbs/Inch

22. 3

14.7

AVERAGE ~ 18.5 x10 Lbs/Inch3

10062 75

. 18

705

589

. 058

.062

. 026

.022

22. 0

14.7

AVERAGE < " 18.35 x10 Lbs/Inch3

SAMPLE CALCULATION

ynami pring Rat( 048 — 015 I h) 22.3 x 10 Lbs/Inch735 Lbs. '


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