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UNCLASSIFIED
AD NUMBER
AD801713
NEW LIMITATION CHANGE
TOApproved for public release, distributionunlimited
FROMDistribution authorized to U.S. Gov't.agencies and their contractors; CriticalTechnology; 03 MAR 1958. Other requestsshall be referred to Space and MissileSystems Organization, Los Angeles, CA.
AUTHORITY
SAMSO USAF ltr, 28 Feb 1972
THIS PAGE IS UNCLASSIFIED
TITLE-j
EVALUATION OF PNMMWIC CHECK VALVES
REPORT NO, DAT f MODEL NO.
UW-4~J064~ 3 MARCH 1958 W3 117L
MSD 67i6 IQEU AISCRAft (081VUATION, M41UILI SYSTIMN 01dM6
1LOCKHEED A12RAFT C aFPORT IJTDIgN
ZTAUTA=h Or PIMA=T CMU UMLT
ET Imvm M7'~FZI?. MAW62 DI~s 3 1(rch 2958
-HO 3-6lW87&9JJBWMSr
~Uspecialzs exor controls)4
Cach transmittal to foreign
w th ri raprvalo
TO evalMUa -gzfiiM Pl412UOt1 &LOek ~a7 for' the porp#* of dtuz~~
parts awoeptole for weaPo uatem usage.
sps oftc&fl.0 Vdi Jnveqtiga*tin m.nifred evaluation of pwtic chick
vulve~s supplied by the Val-er Dtiaid-u of D-arwoInUSW o W8fM rk
Phrkaz' Airoraft Compwand m Sealol Corporation, fthse item umw to ba subject-
ed to pwoutio anc Mcondi 0MtiOns 1nOlUdig pMWo PWUMMA fl"w
- ~ .34brationD orazkizg pressnures seating yconassu vibration, aowelrationp loM
teparatuzfl, corrosion and Wie oyc2*.
Uteo trand of testIng indicated that none oZ tho valves foifilled &Ul tha
rcquL-=te, but that gecrioAyo3 the JamcO Pam"Urk VQIVeOi Me far suprior
to the others avuluated.
41xl aA*IEI COII'ORATON4RPR
4A-
b. t t.-SOCU O- (Glwsul)
?Yod1 8i~4!T (IAt inch tube ese)
Scw:10fl I .md 2.
Usa Angles, OalWowtA&
Y.d im!4-53O (Jr inal tube so)~oj
4.~ BiloOo~atI a 2
ProLdsi, Ro~ ZlsuMd
Modd COOOM(2C2 Luck tube sise)
Snull NO me 3 VA4
mdbi 869A.6?T (3/8 luck tube muo)
8eail Note. 3 =td 4.
PapeLdEKHtEbD ACtAPT CORPORATIONJ wi~$I~j ~ *~5 -~REPORT iDED~uI~tA -
b* 861201 COMMUO
Yc~6g OO900OT6t (3/8 inch tdibe Size)Iswial . and 2.
I* DvlBaly Irspeotioni and ResembSLy*
a*. Pmres~~ Each che-ok wayse wa ditsassesibed, inspect*d, cleaned tw
Demnary, mid rmambsaled. IZxpled vimw of tywlul valves are aon
by nigmwes 0 thr'ouh 114s
be Rmeutvi:
VALVE SBRMA Not COXDITIOM
DarcooInd* ~ 2001
Jainu-Paud..Olark "/I1Ola
Jameo "WPdm~zk S/N2 MlAW
Jussd*Clark A/N 0
Parker Airc'f t B/H I Oontaminatod
Mawe Aircwft 8/N 2 CaUNIMtd
Sedol, Corp. 3AN I Coutaxaated
Bealol Corp. 8/A Gentdmima*,.
Cont~irstion conzistf~d of oilp water and dirt,Tho Sot1ol valve~s exhibited poor vorkiwnchIp, ioo
~toolZ rx, roughi thm~ds, burr ou. -
M.CM 90U AIRCRAF- CORPOWATIOW p
MW~~ apmisUTA t pw f07 5 aIMUtSo Lmkgip %w cwed by
pamt tel, bmb md a0 -200psi
Dom Ind SA 9 flLNOW
JAa.*6WM-0 k 81%3 on
lNg
&&U)o. Corp. 2/ HM
&443. C0;pM*/ 3 IM"e
&034 corp's NOW
*AftW 2Appln Nftt "~ poppt Of a*
3, Jlw Odh1bAatine
a. frooo4ures 1UeLA= u used s ths maring fluid and acuvworno fators
umr utilimed to coonat Mwa meter rean twm n1trogon to heli~n
valuoo. 1ho tcc~orature tappig point,, Indcatod an #4ho orifice barrl
(Maid= Tit riguro l),w leorroctly looted and a f'actor of 3D'? w
added to &ll t atuo rw&dinga L, an atz p to =Ula upaitroan
tc~porature at the uperoaru pmm=r tapping loca-tion, Sandard
LOCKH4EED AsRCRAFT CORPORATIONW.'" $ *. . REPORT
onatiow tI4moed on & P wan 5907 and 1).,7 psi ymres
b. Rezgto s Refor to 7Sguz'2 tawA9.
!4Cracking and Renat1g 5
a* Pr'ooedurez Pressur Ch.1m) wvu &ApMi at the iulat port =ztil the
Meond bubble ot' ooatinuou lsakag wat obwrzvwdp then the prosamr
reading was recorded& Fru'ze 'at x'ed~zaed unti1, the poppet rated
&1%6 leakag stopped, then this pressure reading us wd.
bo Sesultat
VALVE 2MBI4L, V* (xsou DRW O) fmE4t9, PZM o)
DrO TDA9 $A = 1.3 0.9
DomM Ind &A"m 2.3 21Jmew.PondmQurk al 1 7.5 [6*3Jamv-ft aIk S/V 2 7@-7wf
Jaae'I.Poe4Urk s/1 3 5.6 go0
'Purke Afreraft BAI 1 1.5 1
lArkew Airarift 0/B 2 1.1 1.0
S6910l Corps SAB 1 1*31.
Se101 cOWN. gA 2 141.2
SwllCorp. A 0.9 0.9
&Muli Cap.s A/M 4 2.212
B. ack Prw=" w Len kcoo
~a. Procodurci ISollum ww applied in tho aheok (rovrm r.=) d-rto en
£LOCKHEED AIRCRAf T CORPORATIOH EP
Kn aim C~ez, Haftl 0-42a), PI-waa (A P in inabas of lkO)
td tbo mmwwww 1oke.Umt of Usm systmb
YAUM &3=No RS LEMK(EsEUBBLSAtIN.
3040 S Io I o k in %
Dfrvo lode 30*0 SA 1002 1 to2in*%20
jamsPozd-Ga 8I40A.&TT/K I 1to 24n1. g~o
0
I Jms-Pw~aj 869A4.~Bft SI o 2 n
I 0 &MWH- %NW&%4~4
JmPcm A*f U8l47830 8/ 1 t 24 1n* 164*0&
5~8~ 0
NowArmft n-835 SI I1026,&] Inc %0 1628? 4oo/4o
* Soail Comop.f C006a4/N 192296p &1is in, 50 0,20,33& 01 2 2O & 60 psig 50,100, & 50 co/xn
* SO"1o Como. C09(MM 8/9 2 1t2 96 &18 in. 520 001 & 50
10#0p& 6 pig 50.108,& 55 o/in
* Soaki Corp, C090MT&4 B/fl i 192969& 18 n, H50 0201 & 3
109200 & 60 p 238,75 & 300 *o/in
c 'Tostodaf&Mr 1,'ald vsav boat md opot cre lcnd poohcd theoime
LOCKHEED AIRCRAFT CORPORATION a
"- 51 R 'StW ,C EPORT §,1%
6. vitaticz6
ew gtcfte Zwh wpedm was ==e In a fiuxau' thish In tmwT vu
bolted to a shakui'. ?tsabod kWslw 'it appfr4 to tha outlet por't
befreviriMc cmaic4 mpge PA ws stueat I wof O
&at ths vzlv* If Iwakago oi~otzt!* thsb ra froquanqv sweep
wa stopped and 4aiamoul pm'.aunt &VpUi4 rUntl lea gpliUted br'
bubblimg, *and; at ifI~ p±it. tba swWe uam co~te loakag
wa ±md~xtod In a bubblers Vib*t vas oontW thzroom a acw~tant
04027.w inch for 10 to 85 op Ihm a c=nitint 10 g ace.1ef.
ation was applied to 2000 ae
b. Realto& See Ng.
SLCKE-E AUtCRAfI CURPORATIOK -
.1
ill iili la
10 04 1 0 C) )
Vi- 04 .20
!c-~R a~ '3
'TOCKfEI AirLCRArT COR-tATiGN3
02 the r fe the o~zid=:
q7-1a2iezI= of tme Sw~a v1aea =v4muw
bam UM ~f ttmszr VuY Lg t P=
=~d tba z.t p=* waa co~tod to a bubbc' t~g th - am
systm of the acceloratia tsble ,h ftm vas Lz aed ca, =xz 5mi
urisad pi=o to the 10 g tott wzplsmif.. -&a twt cmit olf tfti
r=s W~ valve In five -iszii poitm* h fiva polti= =iae
In th eleaig test imms (1) Vsesm apm =U t~* M
of rotit, (2) speam irm Zbe p2me of rotatI.= =3I
Wo the rov1rvng am~ of the table mit tba fr*9 fle Su the diraot1i
of ratation. (3) eBae as aoition 2 c~mt tbut fre, fam ma In the
diract ion apogite to rotation, (4i) sai~ominth pli ct vxi
and paciel to* the revaviMx am~ of the tabl with ft"e flow smq
fru-i th oenwe of rotation (5) mma m positio 4s eopt that fme
flew wase toward the oamter of rotatim,
b. Rames go* 'g Noso 10 anid 21
ri
cm '0 '0
N N 0
Pa Nl CY
iP4 p.4 P4 V
cm - .. - m
'0 0 ~ '0 0NCL
_". Lie
- ~~ 2.. ', -. * yae a
S>
Ul IC
414
FIB--
04 ca1C
VIILik 15~
CAN"
coA
VV
44 A i -Ja
Best Available Copy
LOKHE s I ICt T C io RIEPORT LMSD,4464
Lm ?. t~ Tiratwv ("ls lnondes "Loag after Lm ir grtW
a. ?boochdr.* Ui tpom was oubjcod to tbo ttwttW
by b4.nW plaosd 1u a tinoiz'ture chonlo for a wsasonab~o soak period
and tw tostod to' Wmm*a (z'ui,". ) loskage. Mw ot~w of tLW~u
wu ±dmtia for each tesrt =Aw2todo Ine valvs e s bjeted to a
frw flow of hol~m gas to "sure yopM. xommat and thin the flai
wua ppliod in the rowers dirwtim Ina anp frm 4 PlaInch of
B2 0 to~ 0 you
Lakaa was obv - in a bubbler aud the motmt ohooked for tw
mx1ltw at each preemin
bo Rowltas ft Par. No* 13o
MIsit, E SVT(.45 L, If Iso REPORT
"ay"e wae Stabajet to UMW Intrmn12y for a peft-ch of as~ dQv*
The M/.sae dS ter lw~ 44d-t k a vus wmv" subao"e tU 0P4
IUUMKUY3~ for s6V1 da" (m FIVurs 26S 17, M8 W 19)4,
(31) Jme'Mi4Clak, IA-Incoz, 8/1 L. No risible it*WAIe &me.
(2) Dow Inv 2/2-inas 3/NIM Th1. e "Kls? (elaotome) "ea ring
on the poppet vave va observed to be lone end wag easily
Y YKW, &ie to the act~om of the a-, _ As adhesive or~ on the
r14g itself*
(3) Parker Arcraft, lt-dnoh, Si's 1. The flaper mset of vEel-I'
(.lasaos), =a obverved to be affeated wo it Wa a wavy
amcuraton aftv& the tnAks.
g0 o &amag was evidenced by thet JaimeswindmC1.rk 3/&4Inek dinmt"r
valves ether duift or after ssbection to JM.4
10. Leakae After 1I -- Teietu 2st (No* 8).
a. Precedurs %Ui test uam pertcrimd on aCU speoinums, except the Sealo
iWits, co wrmt 7 with the low temperatafe test ('No. 8).
b* flegultat Thore was rio difformt- between Use results for this test and
the reoult. ebtained elt i~mt texperature in the low texperatmr test
(NO, 8).
fl. Proof Frommur, Aftiv Lmw T watumr and Cowrovion Tests.
a. ooeft The ottlet port wam capped axid heatum -4? applied at 2hC0 psi
ymoeure to the inUet port for five mimtes, Lm~3~ge vas chooked by
LOCKMIED AIRCRAF MiP-iRATION REPORT ZUW)$t1i ~s S If, L ,* S~ 5T E y :. I I R P R
b. Remultse These two tests oaused no visible nor Yb*Ti"a damp to tQe
external sals. 5I i bstantiated by proof pmesure rm t obsveva-
tioum, of no leakage, ifteh were idm+Aal to the results obtained froa
Tet No. 2 (fProf Pfteu ) an valves f Da Industrise, Jame-Ptcd-
Cleft md Parker AivaeM
12. Life 4%
'tooa sd The beck valve test ast-up *=bUA heAam M thr Oug W
V"W simltaoeudr (moe 71re 15). soloiA vdvw ,wred to
SUM presst da t u of the qstm to 55 "1 md then to 42M welem
of theS VLO55v On the uPAM did$# thersbt tv*Pg the VAps
press, on the dmmstrom side of the chok Valvo*I Al hori -ou -
pressure Wa then raeased iM the Goe was repeated saeh valve me
subjected to IW0O qvola.
the test.
13. Leakage After Life Test.
a. fRveedure, Th valves wre subjected to free flee (helim) to ass#=e
poppet movement, and then f1 was applied In the reverse di tin Un
a range xfroueAP a I irch of %0tO &P - 80 Prolg. Leaag W8 Observed
In the bhibla and the ammot oheoked at each pmsure as i"- In
the foloing paragraph,
b, Rlesults# See fPg 16.
Pa 16LOCKK!Eb AIRCRAFT CORPORATION
41 $Sit SS5TEM~S D I v 1$ 00 E 0 t)hi4(
LmeAfthl Life ?tet in Bibblfft-P'4zwts at Various Prommrea n ch" *sf 920 a Paig)
bu trin A umo t14 44 3t 128 200 Anlav~~
SA16 12 36 109M 2 Toowiyw
Jame.Pin4'Clauk BA 3 2 8 24i 62 83 bubbles t*
1amAraf A267 ~8s 67 U28 143 ww I
2i* Diu~mb3~M and etc
Lfter dWa*3, the Interlor of the ralves shmco4 no delstwrloax vtt
Idth ims asp4m, the J~aw01su"i 3/8-twoh dUamter (54l 3) had
Yhveury' globalm m the tiiweaft & an ~ the var~ous lntewa sufaces (if
Y7aw 12). di ow asomt for thae odd realts obtain.4 In tho lam
tfp£n "$
I'ase 17
L 0C K HEED-M *1 RR W!C 6PRATIONREOT t 4 6Z
DISSI
fte test results presented herein represenit the data obtained fron an extensive
evaluation program conforming to beJob Request 2-W1O subrmitted with the Ut
7h* requiremzent of zero leakage ime unobtainable by any we valve of the satine
requested tut applicatiozee
Although the Jbs.PoFid-4lwk vlvens hewed generafly the bast, rmslt. it S.4
believed that the Val-Aero-Dumo Yadustrlies valve was not designed for ths
critical rqimts oZ sea2,zg a, P? of one inch~ of vater. 9merm, i
st~wrer apr5.ng wa used.* the valve wonl -still peet u~theca~~~pe51
quiremt end would then be iUprvMd wuiieftily to be cowrard as a second
choice to the Jawses idoClark check Valvas ft=g a prssakt e~aling viewpoint,
Since all vulves appear to have inadqeate flow rates# it mi~y be n5oo953=7 to
revaluate the flow reqafrenan*, or redesig the valve cOnfigurao The flow
curves for theo claws-ftd-Gilark valms indisat. separate characteristics for
each onstant upstrean pressure. TIs aepmrtion van atta'fbte to the Vari4le
flow ame brought about by the mat of the Pwapt MQ~ti.Y8 to the mste
Evaluation of the Soalol Coapoiatimi valves uuj abandoned 6ring the prop=a
upmL tho roco==~n~tion of Wh 008TJ±Sart A' wtmt 2wo valves leakod oxcoc.
ivety after nwtoue attempts to redce~c the lookomo by7 muia and leppina the
coat and poppot ooSjaation, Tosto to Wioh the So~al vivoa uoro mt aub-
Jo~to4 =r as folowes wecclerdtio, low tcpora'tira, corroaion, lekage after
low t mperati., , proof praacmpo lifo oyo, tnd leak o aftar lif0 toet,
r',~v ,,_ _j
~t~ii~w-~rer~rTCOREPORTO
iwydatd 9,wwg 1957.
2* MOAfflotebook Paes DI 4$702 +,Iazgt INf 38129a,
3o''T~o~md-XB Mul&int sfd IVA552-1 frQddsw nd 7ol Chi&~ Valvoss 2Wspote2y
Z.intmauoa twradttdd to vehicle Dopuns rwax o
-LOCK14EED AIRCRAFT COIRPORATION Pg ~MISSILE. STEMS L-wt4P
REPORT LMBD. 1f0649
cai
44
$4.
1.1%
9'k
tot1
f*t mi 4 44-
71-t :-4 o<LOCWN~ ACRAT COPORAIOP
72.
41
--
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[ LCU4EO A1IC&AFT COfPORATSONUISSILI 5~t$TEWS bSMStDWE~ mk
4L
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V-'GcVE 3L CnC VALVE FVw CsM&RAcTt#,5T~cs b12 CIAO &W313aTsmU SjUALg aoMZPREUMEu~ WTrffRE1TIAL W- MASS FLVW *All SOUS*LO COMZCno To 1U"WCChOIQSTZYStE"tATUI 19* F. *IS; P*524 7 po VOMG flViO-MtEU
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LOCIMELID AIRCRAFT CORIFOWATION
I g_ $
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s"-~~ ttase I~~n s CCC VL~ FOWCMRATEN~rCS I2 ~APA~3,t~tXwPRCS~~~~~uAf. 44-~~hSAV MASFO tT-SUR ofECZ OT *
C~b,4TIh~*tMP~q~tUE ,VP~f5;uA ~4V ~. wR~IFL~ .4.Ur
LOCK MYDA1RCNAFT COMPORATIOW ftya7 Dm4~MISSIgLC sysicus 3Islos EP R
06404
trt
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YI~u* £~.CM(Ce VALV FW
ILAh IV f./'IA M X9~t ,t~
P~ICSWRE 01' ZRU~1lAL Vt ..... W........ fOCO 1?( ~ 1*N A
II
- .~ r '~F-T-ORPOEATION- ~!~%.Suti~siu ~a~o -REPORT LMSD 4064
>tIL
'1~~ ~' ite
PIORM At() I I-
"I$SLE YS ~fA kfVI 104REPORT LMASD 4064_
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LOCKHEED AIRC IAPT C 3PORATIONS s tot s II fc, REPORT .. SD 4064
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STSTU.,%,$w It% RPOR -!SD
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