sarathi variable spring supports

8/6/2019 Sarathi Variable Spring Supports

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PUBLICATION N o . Cat.9513

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Phone { : 27201629, 27200426:27205397,27201609e -m all : stJ ep l@ yahoo.comFax: 040-27201711-27209494m m m m i . i [ D DV A R I A B L E S P R I N G S U P P O R T S ' 8-10, IDA: UPPAL, HYDERABAD - 500039. A.P. (INDIA)


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,V I . "SE[ ,ECTION 'OF SERIES: "". .. Select ia t j :of travd series depends on the ' tOtal ' traveJ and allowable %-of.varialionon, supportingforee, The VS3 travel series will introduce a lead' variation o r : r l 2 of "S2series~'VS2' ser ies yields variation '()f l /2 ' :oFS)' series. This: is dUe"tti.h e .spring',constantofVS2'being,halfof VSl and that ofYS3be:ingbalfC,l,rVS2. . . ,'.It is clear thus, ,tha~}Qng.~,~.p1inglwith JPin. ~nl;.co~'"!t) causesth.e.l?a st ~fiinsfer,Of IOIi~~.,Q~;~g~r~w.~gc:~~: li . i p i l } g B.3~3 , endo~er;.,. ., .:.-~ .. ,.- _-.-. -. "I..~ . :. .. ~, .-.;~~ ., .. ~ , . ) , . , . '? _ '"_ ~y:"SIZI!!t.GE:c, ',L, .".,ed:f()r;rYPEB. This typc:1s most commonly~used ata location wherehead room is limited and permits attachment to the building structure. " .., . __:~ _~ . ,> 'C'__"_ ~'. ~'\ " -. __ _ " "

TYl'E:C:', ".This typ(:~Jllmished withdouble 'lugs w~dedltQ the' to p plate.and attach~e.nno thetopstructur~ with.the help of welded lug especiaHY\Vhereheadr()()~i~Jpl1lted, Butthis car'!Qeu5ed at.a IQcatiorl\vhere h6id'rootnis not limited. by usin ali eye rod>

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_ , _ . _ - -.- _ . - - -N ,B : In view o f o u r policy o f c o n t in u in g ~V a t . : . . .. . m b . 1 .e S . : ' p ~ f ; i I ~ g .Hangers. a n d supports i m p r o v e m e n t , w e r e se r V e t Il e r ig h tt o a l t e r t'. ,

_---_,__,..,.----,-,~ __ ~------------.:---------__:-_:::__::_-:--s....;.~...., ...,.-.-ca-tio-ns-;d-jm-e-n-s-iOllS_with_'_.o _ u t _ n _ o _ U c e _ '_ ,_ _ ~ s _ a _ r a _ t _ h . ; _ ; i - . . . . . : : . ; J _ , : _ " " " " ' ; it y P E ; G & H:!TyP.~;D:. . . .These are used where the spring 'uni t i s set above the supporting member' and thepipcis suspended below. Load adjustment is done from the. top with the. help ofadjUsting nut, by taking UPQ!l < th e h an ge r r od. which extends through the: Il1lHandpiece .of tubing. .TYPE:E:TypeEhangers are used where the spring unit is SC.t above' the .suppornng memberand the pipe is suspended below. Normally adjustment qf this type is .done from. below using turn buckle but can 'also be done from abo\'e thespnng. '... ' '. . ,TYPE: F:Type F supports are designed to support .piping from a base below or from thebottom. the ibase flange being fastened to thefloor OT 10 the supporting beams.Adjustment. to the' required load rating and .height.ds made by tu rning the loadadjustment column. The. installed height 'L' is in between . the min. and max.dimc;_nsi9P-Ss X~.given in th e loaddimensiona! ~lu!:~ and accommoQat;; both llP .anddown t.r~;~ielswithin th e t ravel range. Also. ~Vision is made [o r t 2,5 rom, f iledelevation adjusnnen{ for all.series, Radially slotted holes in the .base plate-can be .. f in ish :e d o n o rd er , Lateral loadson base mowrll:d'suPP0nSs h a, U b el i. Ii 1i :d r ol O% ' ofmaximum working load. Wbere bigh!=r lateral loads are .envisaged, 'con,siderationshall ,b e given to the fitting ofP1F:E I S.S.sliderpaos or rollers (TYPE. PH ). .A pm'deflop) I S.S~sheets can be fixed (on request) on the load flange to.a llowsmall. horizontal movement o r pipe supported, Where higher horizontal movementsare' anticipated in additionto vertical movement pipe roll etc.(as illustrated be low)shall be fixedover th e load fl~i:tge.Pipe rollbe suppliedon request. Arrangements tota~~ of large tW ~ wayhorizontal movements in' addition to vertical mOver~lents' c an bec!e~i!:m.~d.1supnl ied on request, ... '." . ... Spherical rGuidi: rol~r

, PTfE(rdrori~ ball 1',.m:Inge~ni ' .. . OFS$,s)=l~ ', ~

Type ' (;. '. Hanger-are made Upof twostandard spring uni ts welded to theends e lf ~single qr:p'ai!:o~c~itllnels.The.'P' dimn, can be varied with customer's instruction,Type"G ' trapeze assemblies.are especi~IIY suitable for, use-where Interference. 10\\'. h e~d : r o omo r e~~e~ IQii(lsareencountered,Thes.!:han.gen :are'ma4~ ioaccommociale~ny~tre , tp'ef~tal' .mDdatCi .. ' horito1i I."Q"co:ncn' In any dlrcc. mO...,.,."1 in anc direc.lion m . addilio"_ l.o \ocrli. lion in acldtiio. to, ftI1i..~cal ftloyemeftt eal movement

This ur~nlc_ KC1DI-mod des borizaala.l""'Vl:1IIc,,1 ia O!le 'Iii,"-l io ft in addi ti_ 10~calma_elll

iarnxc LllGS;During erection to . help. in lifting large sizes spring hangers into posinon for. installa~lO!Lliftin; lugs (ifrequested) .canbeprovided on sizeweighing 50 Kgs~ormor e . .

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;IHANGER DESJGNAr~ON:The ,;ariable spring can be completely specified as follows:First two Ierters. . . VS represents variable supportThird Ieners lor 2 or 3 representSdve I.se n esFo.ur t~ lener A < I r S e t c. n :wg s e ,n t s tnt .......,.,..~-_~..."..._,....J'Fifthlen~ '1 ' , or}e t .c :Teprc~ts}h3.Jj . . ! = l ' S ; j .z . c . ' ._ . . , _ . .. . _ _ , _ _ , . ' . .. . .. , .. . ,. .. . ~Each units is;furnished ~ith lJ metal l~d~: in4j~alor's~ale.!!asily readable ~from'adislance.Stainit.~s. ~lc~ !.n~ inc..p.l.~t~s,arc ,.a~soprovided on request. .All ihread~ at.connecting poi.nl~.are to ~SO~etricright band ~ndard.


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3_ VariabiJity (% of :Ioad change) =;Movement''' SJn jn&Ra tCx ]00. . . H ot Load.Example:~h o t load = 193 kg, Movement + 16mm upwards f rom cold to hot and % of,t ar ia ,t io n (( lo ad t o be li mi te d t o 1 6% .. . . .L Assume Type.Ais suitabl~dii:tg{)n the pjping layout .2.Loqtte 193 kg. in size 7. Le t us try VSl series. Spring rate for VSI Size 7 is3 .4 6 , k gs lmm , _ .. CQJd Load = 19i+ 16 x 3.46 =193+ 55.36 =248.36 kg.24Sj6 kg. fallsoutside \VQTking~ge. . .Hence relC?C3teload 19 3 kgs, in the adjacent column size 8.. ~g~~ of \lSJ-~iZ(:'8 i;4;~3'K-glmm.Cb1dlOad= -193 + 16 x 4_63 =193 + 74.08 = 267.08 kg;

SELECTIO!\" OF SIZE:'Inorder to choose a correct hanger size, it is necessaryto know the aCl~Uoad wh i chthe sprUig IS to support ( i ncluS iv e_ pC pipe weig1it.insulation, c o n te n t s a n d. a n ci ll ar y 'equipment) and the am~d'directi9J1 of the pipe Jinemovement from cold CO , ho tposition. the adualload isthehot J o i u L .Jh e cold J O a d (pre-SCI 1oad)is:*-1~~i~J~d b } : add ipgJo r up movement Qrsubtractingfeu: down movement . the product of spring rate' and .movement .(Mvt) to the hotposition.e.g. . Coidload(M;vt. up) = Hot load+ (Mvt. x Spring rate)

COldlo;ld(Mvt. on).:::: i Iot load- CMYl.xSpringrat-::)Using the sel~tiOl1: Table (Refer page-6) .. .L Locate, thcactualsupport load in the body of th e table.2.Todet~e the cold Joa~re3d thetable, updowo., (or the amount otexpect~. m o v ~ 1 . lb: t a b l e must be ' r ead, opposite' f romtl1e direction' o f the PiPe 's.movement. The ! O a d a m v e c t a~is t~ c o l d load, .,' ,....,. If the cold load falls ou~deof the working'load.range of hanger selected.reiocate th e actual~or.hot load in'theadjac~tcol~ and find'the: cold load.Wh.en. the hot and cold-loads bothare wi t h in . t h e w o r k i n g rangeofa hange r , the s ize

. - % of\-ariation=:16x 1.73 xl OQ = 14.33%. Hence acceptable as limit is 16%.mnbcr of that hanger win be found at the top of the column. .~.. Should it be DUPassiblc; to select. a -hanger m J l particular ..series SUch.that both 193.. '. Cold Load =I9:l+ 16 x 1.73 = 193+ 27.6.8 ':"220:68kgs. .loads occurwithiqthe working range ..andifthe percentage Qfvariationwitb th at . This220.68kg,isweJI within the,wo:rking~nge.aeri.ce.VS2-A7is jlisoO~K.' .movementis allowable, we .can utilJs~-.he ; r e s a v e o r extra range' a: ' a:vailal;ll~ .at . . . . . .. ::. ::,.I' ' V e : can'obServ,e here YS2:-A7 iscneaperthaJl V~-:A8_ ,Alsogc;nendiy VS2~A7 .. bot tom ODdtop Ofthe column, Oth.cwis. C~\ II""", isto b. selected, oYmIldimensionsalso are I.., lha,iVS3-A8.tI;,n" .vs:>,A1 is ih .co .rre c,,~ . ; . ,

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iiH . B : In view Q f our policy of' continuing '. . ii m p r o v e m e n t , w E ! r e s e r v e the r i g h t to a l te . - . . ' '. ~ . . . . . 1s p e c : if ic a t io n s , d i m e n s i o n s W f th o u t ! JQ t ic e : . Sarathi '" .; '. 1- - - - - - ~ - - - - - - - - - - - - ~ - - - - - - - - - - - - - - - - - - - - - - - - ~ - - - - - - - - - - ~ - - - - - - - - - - - - - - - - - - ~ ~ - - - - ~ - - - - ~ ~ ~ ~ - ;1

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Variable Spr ing Hangers. and supportsTh i s 267 .08 kg . ,f an s within th e working range..3 ; Cah:uJate % of Varia ti9n : J6 x 4,63 x IQQ~J8%. Hence not su i table .

193. H e n c e tt y VS2 ser iesSize .8 whos e spring r at e i s 2 . 31 5 k g zmm. . _. . . ~ . . . . ~,-r. ,,% Q r V a ri at io n : ]6 x 2.31'5 x lQ Q = := 1 9 . 1 9% ,.. ' 193Bu t a ll owa b le 0/ . o f var ia tio n is 16% _Hence try VS3.series Siz.e:8 whose spring rate' is 1.1575 kg"n1ni% ofl'anat imi" 16,\1 J575 X lQQ ...9.59%.

19 3ColdLoad= 193 + 16x L1575 =.i93 +18.52= :!11.52 kgs, Size sleeted VS3-AS_'. .A1teruately:Whdt VSl series size 7 is notcorrect ,we can nyVS2 series size 7 also .V S2 s e r i e s Size 7spring'rote is 1.73 kg lmm . . .

Calcu i ll t iQD.of present loadedle~gtb ~ r l I a n g ~ 1 ' "Support;. (a) PJ;'Het ~aded LeD~ o F' F9rh~giDgtype supports A~B.C. and basemQuDted .~pP9 r t I; .Mavin. : 'selcctedthesuppgr t type I ser ic:s and.size . . .thltoeldSl9lis toealeulate the 'F'dimensionat P1 e pre~s~t load condition. No t e t ha t T dim en sio .n listed in tab le o fdimensionsin page n o . 8( for regular) & 9 (forcOITosionresistant)is.given;for themin. an d max~of the load range fo r e a c h size. . '-Example:..; '. . .....: .... _ .:".~-, .h '' '' '' ' . ;, . .. .. _ .To calculate-L'P dimensions for VSl-A,7atcold'load 220.68 kgs,Ref.;r (0table (IfdimensionsonpageS'Or 9_ . - .

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N .B : I n V i e w o f our pOfq of continuing: i m P c u v e m e n t , w e r e s e J V e 1 b e r ight to a l t e r$ p e c lf lC a l io n s , d i m e n s io n s W i th o u t n O t i c a. > ~

Sal'3thi .~.

LSprings~. Casing PipeJ. Platesl Flats4. Ro unds .5. Tum.BUckles6 . ~a~ePlates7; Pointers8 . Si& Thread Rods9. Hardware10 . Paint

. Read along.the horizontal line of size 7 uP.toF dimension C o r . type A.B.C.E a~ VS2 Refer-now 10 Hanger siZe seleCtion table on page.6. L o c a t e . in thcbody o f t ab le : t h e -:column verticall y- down. We.obtain' F dimensions as 275. This is at t J t e minimum of . . load,9502 Kg~insize 20column and movinghor izon taJ1y r~ th e lcft or right we r e a d . . 'load position for size 7. To this dimension, w~ mus t add the. amount of pre- the amount of pre-c;:omPr'eSsionn:quired for VS3spring. In. this example. the pre-compression from theminimum load position to . tbcprc-setlQadposlttOil.: compressionOis S6 +20:: 761J.lJa. -Refer now to hanger size selec tien table on page 6. Loeate i n t he : bOdyqftbe table tb~Now X dimension is 1330 76-l2:54:mm~ . .. ...l o ad 220. 6 8Kg . . in .size 7 ..~lumn:an4.mo\inghoritOntany. tq tlte. ktt ~read the Inienne4 ia te io~d .dimepsionsareQbtajnedhyjfit~huion ... .amount o f ptt'-q:{rhpression required for Vslspr ing . In this example , tJ,epre- S im il ar ly . fo r (:017osion resistance; ~gC:rs'and supports 'F ' dimension; 'ca~, becompression is' 6 0 +10 =70: Now the 'F dimension at prc:-scl loa


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Revision .ttl8. '. . 1SA"RATHI: ij

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Hange r .$iU .'

Tint! in mm

Var iable Spri~gHange rs & .SupportSH a n g e r " Size SeJection T a t i h ~~ ..

~iVS1~VS1. T ra ve l inm m

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1 1 1 2 I 3' J .. J ' S., 1 1 7 " I I I "-1 10 1"1'2 113 I 14 r 15 I 111"17 In~11 9 . 1 2(i I 21 1-22 123 I 24. l oa Jf C ap ac it y ill ~g s. , . '

20~ 10~S12'~'6 f 3. :

U .1 2i ' 1 9. sa i . 2 5 . 3 3 j ' 32. 45 ! 44. 45159 . 2i 7 8 ; 5 1 ! I 9 . 5 i 1302ilB0.3i me l s el l! . ~ , 8 00 iH 6 11 138511456\ 2120i S 3 O O ! 43501- 31 0t - 84 05 ' l 0 s a 0 i 14190! 18874 .5 !1G ! 20. \11.Tt~ 2 O . 8 3 t 2 5 . 9 9 i : 3 4 ~ i 1J27. 5 3 . 0 r w! 106Ai 1 3U ! 1 92 . 4 ~~j 'S24!641!,' 8 4 5 1 1 2 2 9 j 14751'59212293i3512~. 4636r 6 6 4 6 1 8 B 5 1 ! 1 1 2 1 2 1 14m! 19922' 1 - 3 _ ,i _6 _ ,j _! 3 : \1 2 . U ! : i t 9 8 i " 2 8 . 4 7 ! 3 6 . 7 3 L 50.~! 6 6 . ; : 1 w!"~.3i. 1 4 8 J t 2 0 4 . 5 ~ 3 7 0 . 4 i 5 4 6 !W 2 i . . ~l1297! 1 5 6 5 1 1 n s i 24S6i3724i 4 9 2 2 ! 6 9 8 2 ~ 9 2 9 7 1 11864i 1 5 7 6 1 2 0 9 7 0 1 j 2 l . 4 . jl t r 4 ~ 22.56~ 29 .2 fi ! 3 7 .8 0 1 5 1 .5 0 1 6 8 .6 1 91 .0 ; 1 16 . B~ 153.41 2 1 0 1 i l 3 7 8 . 8 i 5 5 B l f i ! ! 8 l ' ' 9 1 3 ] '1 3 3 1 1 ' 1 & 1 0 1 1 7 9 6 i 2 5 s 3 i 3 ! ! 3 P i 5 0 6 5 i7 1 s o i 9 52 0~ 12 10 0~ 16 1s 01 21 49 4 .~j~ .'.\

. ' .13.391'Z i7113083~: . ~ . 9 4 l . 54.321 ti.4i;gs~~'l23.7L'1i2.6L222.7f~il1 580\ ,720~. 9 5 8 1 '13981 1700119~r2726i 4042J. 5351l'~74B!ii ' 9 9 6 6 i ,t2752~J~8l22542 Z . ! .; i8 .114.Q4~ :141l!513240i 42,08~ ; S 1 . 1 ~ 1 7 6 . 1 ~ D : f . O r i l 3 O . & r l i 1 . ~ 1 ?34.8~412 6 Q . O O r - a a . O O l l 0 7 . o o H 4 3 1 1 ! 1 9 1 . Q i 25s'iL ~,6 L:4suit7 .14 .8 i 1o \O i . 1~L-1111a~~! 3 4 1 0 1 4 5 1 6 i 6017\ ao ro i '107B5 i 13 !1 .Qi 1 8 4 4 0 i 24000131920142454. 5 \ 1 0 l 20

4 ~. 2 i-elol0: .& i 1 ~t6~8~4: = : :24 t12i 6~ ~,16~ 8,-40 ~,20i 111 .'u-124i12 '5 1 3 bai14.64 ~ 3i ~16. t. = .12j'3Sf 18. :.. ~: ,8 0 j 40J2Q~144~219 6 i 48 '1 '241M1-52~ 26112i'5I) 2 8 i ....1 2Q i 6 0 ~301281 54 ~ 321 3 6 1 6 8 i4::...

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- - - - - -',-, ,I", _ '...._~ '~.,,~- - . . . . . . .ariabl~ 'Spring. Hangers & , Suppods. T.... G f . .. .. .. . IIVS1. VS2 ,VS .1

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;_ ! '1. Dimell$ ionS,are SUbject,to change wi lbou t rox:.. O v e ra l l . . . . . . . . . . . . ~ fur ~au.1iopwilbe sub. When o r d e r ia ~iV~d.. 2.When';'1ng type G.~'oper,I~1oad m u s t be half1D ~ . . . . . g . _ Add_" of ~ a~embJy when ealculallng ~ to be Bupponed.:3.' ....numadju.~d~C1f Fb'A. 8.Co E:G." .. +75... . . '. . .. 4,~adjustmenlorclimlRSlonor Xfor,lypaF,FH~ +25_5.AIdiinensions are in mrn,

. .~ ...".- - -.. ,-~- - - = = =


12/19

- _ . . a:II : : = ji' .'.Variable ,..Spring Hangers &, Supports

sphcri~bills~ .: .:mcntalso for ho r izon . . .~ m ove me nt , in any .~

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B

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itHOLI;S- ytl ."I)'pc: G,

Th e C o rr o si o n rcs.istant units are.g3J.vatI1scd,c.xceptspong which is usually ncopcnc Ofp!astic c :o a le c 1 ' .


13/19

,jype: A : tnJi :c '~:D . , 1) jJ C : E . . ' , .

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14/19

-_ ~L:- ,~ - - - --- - - . . ,C-' Var iab leSpr i i ig H an ge rs an d suppor t s N . B : In v i e w o f O u r p a r l e Y : of c o n t i n \ J i n g~menl; w e r es er ve ~ r ig hU o a lt er ,

speci f iCat ions; dimensions w i t h o u t _notic~. -, ~Sarat~j ~~STAlLATION INSTRUCTIONS

lYPc: ,

- Ii

Uuiversal I.A)ddng __evlee ; - - --tk spring is locatcd-at'C~ld Load' at oy.rworks.before shipi;i~_gaftcr actual loadingto a pre- calculated cold load condi t jon byside threaded roads ( Universal lockingdevice) for easy-erection and for minimizing of the load adjusimc:ntdllring ~tiOnand: COR)n1issiQning,and also _t o ,temporarily lock the$JXing t b Q S automatically-~g:the - Jw . t g e r ' i n to - '~ ,r i g id$UJ l'P o r t: per'mitting'hYdros~tic test. o f the p"ipelincis~'OrLe~icah:_h:a~;out; finishing finat pa:inting,e:k:~ This r(ducessitl ;laoour. -Aft.erthe:pipe Iineiseested' and commissioned, for' any f " U t u r e 's h U t " . d o W n : o f th e pipe'fOl"!!allyannualmamtillnance' or:tCitTepair-;artd a ls o - wh e n ' it is~q 1J i re d tO lO ck - th e ' _sprin.g-at:IdCOitllfiissi~tht Wlit_'repCatcdly:a-:uni~ -looking cm;ice shownm th eFi~_ismost useful By faslening,itSlock nuts. th e hanget-is locked ,atany traveliloadposit ionwithease~ The load nuts.should not btunf~stenedunt il the hydrosta tic proof (5)tesi:is,completed. - When the-spring piston plate starts a lit tle tomove SO\\lI. the hanger spring forcebalance the pipe line weight, '

(6)" ~ the'~ring- 'pistorrp)ate"tlaes1tOlm~up~whem,the)loCk nut (B) sl ight lyloosened, or it is in the condition as described in item (5) above loosen .the.locknut (B) to th~upper linii~of thesidet):)r~dedro.d a I ! d ' retain it there. '

Now" the lind beingexe~dby the spring is equa,.ltp the fact9~ calibrated pre-set(Cold) load and the spring is free to move up O r down in accordance with the .pipevertical movement.

Rdea;ing the spriDgcf~r ,cQmmisiolll"ng:'.;,.:. _' ,. .~~ATOE~: ......

After the side threaded rod nuts. are loosened i.e., afterthe pipe load is transfered onto th e spring,.i t should be confirmed that the load indicator is at the cold load position, as marked Qll. the-name plate, 'If,not, the load indicator has [0b e set against the coldload niark~_positionbY'ro.t.:l~gAh.e tum buckle, J'aucaq: Dot to cau~ ext ra load o nthe pipe li ne !O th ~ w gTkgi$\V dt.bt;:, '. . 'The tum buckle is.capable ofl3klnga min. of 75 mm len_gth adjustment betweenth e pipe line and thespring -lJ~~ll:~.No.w the hanger is commissioned and becomes aflexible one,' thus. the -~g - a l l O w S th e pipe 'line movement freely upwordsanddownwords. After a-reasonable period of operation' the load indicator should be at the :hot load marked pcsi tioa, aner.the ,pi~. .J ioe:~_~iti (ln.stabil izes after its fullexpansion. thus balailcingthelt!adbeingslJp'pQrli:d .. - .", .No\ that adjUsti~ u ODe: ban::CT may dfeCt others Qn the same pjpe line. Checkindicator's posit ion of :il l other hangers, Tighten locknuts on hanger rods when allthe hangers have been adiusted.

In' type L A t o E' after thc:_hydmuHc test of the pipc::li;nc:iscompleted ju,stbe{QR:(:~ssioning r i t e p ip e l il ie s . ._h e distance b e tw f e n t h e S E fi ng Q an Fc "~ d pip,e ll~ isto beiidjusted by ro ta t ingthe tum buckle til l su~ht ime the pipe t o _ adis transfered onto ~'spring: Till th e pipe Ioad is tran,sfered on to th e s p m i i throughtlie piston plate,thespring exerts thrust Upwards ip. .~i~lrposldon the'~uts'ofthe side threaded r o d s :a b o v e the piston plates aretightand the nuts below would he loose. -(I) F~ Q:,~issiQning, loos~n sli~~tly the lower lock nuts (A) oflhe: side threadedr oa ds ~ the pistion plate: If th~piston plate moves down at this moment tumbuck1e is' to be-loosened. '-,' ,(2) W h e n the pistonJJlate starts to m~"e 'up or~main -a s it is, the ~ring force

balance~the pipeline weight'When the spring piston plate does not move down when the lock nut (A) slightlyl~~ed' or it is-in the condition as described in item (2) above. tum nuts (A) tothe lower l imit of threaded rod;

(4)' 'T}len~-I90sen slightly t~ locknut (Bkifthespring p~im plate moves up. turn :~kl~i~lo-be tig h tened: . ' ,

0)


15/19

"7';.N:a:llhiewof our P o I i c Y o f c o r l t i I : J u i J : l g 'i m p iD v e m e n t. w e r es e rv e t ti er iQ b l lO ' at te r' $ p e C i t i c a t i o n s , d i m e J i S i o n S W i tt t a u t no t it ; 2 . ., ~Sarathi \ : Q '

. . . . "~

Adjustment of'H a ng er ~A f t e r COtDJIJissiOning and after the expected movemcn~ u p o r 4 o w n takes p la ce a ndth e pipe linCslahi1aes.ir"thereis any slightdifrmce whatd~ po in ter indicates.~ io tlie "hO tIOad~ m:arktd. 'o n the load Scale. it ha s to bC adjusted I ? Yr o ta t ing the tum bUGl de ;j n c as e ; of'A _ ' - to E~ hanger s .'I"Y PE&F: -.In,~. o f OF ~ SU JJ PQ flS .ih e to p load.flange,is counectt;d to d ie tlnaded I~ad. ' , t ) . J if m n ' 1 0 0 . M i a , . purung .the . ;~t~typeY.lr iab]e s p r i n g Slq>pOr t in posili()ll. th e. ~I~hcight~' t i C :' i ne re a s ed b y .the rotation ofthetJUeadedl~d' ro d ~l1lhe load, . 't ' l 3 r i g e . tOucbesfuudythe',pipe .l iiie, to b e S u W o r t i ; id . 1 ' f u J s i th e installed ~i~hfotlhe' -'. ""~. (~fH.;IU anJ t1anse ,totll~tOp o f the .~~ ~.)' CQbe. ' adj~ by :t25".~ O r e V en s1igbdy mere, N o w the hy6ra.ulic test of th e pipe line c a n be ccmpleted:N~ di e pipe line . . . , '. . . , .

',. .;~ ~iQJling the support. after the to p lead flange t ouches th e pipe lobe:ll.lpJ.lO:d~4~as , it " i $ , ' , diffiC:!,lltlO,.l'O,tat!l;ap.Ymore- the ,tbieaded load rod to transfer th e"PJpeWCight'on to. t h e sPnng.looS~ the topnuts (B) of the side t h r e aded rods at the

;pistonpiateJlY.spaOner t h i i s ~ly load ing the spring wi th ~pipe 1_ Once fue ."pipe load i s ;COIQpIete1y : t r anSfeiedo i i t o t be sp ri ng , the: tO p nuts: (B) a r e -l oos e ' and~.ihaVe tel ' b e s e r eWed to the-extreme to position, A l s o th e botlom:n'ut$(A) aribe piston.pWe.}Jave,tul:tecs~d 'to t helowes t !pos i t i on , ' thusmaldlig the ' spr ing t lex ib1e lindARC teJiII)I:'Wt'up , ' t J r do~ in, acco r~ce; 'Wi th t h e < 'p ip e 's . vertical mo ve me nt as; 'IlCis~ry;;::Durin~maiDta~cC:':shtlt~~~; the"l~-,~~goes'~.~th~co.]~' . . ~9!1amf:tbe~~1,.~r i~e : l~fe4by tig~gl ferqpd&u ofthe'siqe, " ~Y l' od s ~ ;t ci il ii lp .. IS tQ ri 'I )[ at e? e Ob V r ti ng ; th e ,b an g er -:Q t,s .u w o tt i ri to a r ig id 'ant.~g ..~to~~:J> l.~:lt~~~' ,... ':'. ..... "". , '" _ .

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16/19


17/19

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; J.PS:02.02 t:FOR V E R TIC A L II NE s ' ' , . , . .O R HOAI ZON TAL LINES,

E xampll af OulgnallonkClAMPDN2S0~PS:02.0I. Eumpl. 01 OeslgnQliill1:) C~A~~:O~ ~S:O~PS:02.0i~::. _. . . .. .. . . .. 0 N 15 20 25324050 65 80 100 125150 20 ~50 300135 _ 9 i ,OC~59 SAO 500700 a o o ~OOOO_{ .

1/~ J ' 4 ' I" 1 I i ; t~J In.2~2l''4'1 5" 6." I I " : 10" Ii! 1l." 16" l'Qi' 20: . i : 4 ~ ;1". ,li' 36' :d'0.0 21,3 21i.9 ~3. 7 LJ.J.~8,~'~p.3 16.1 889 11;'3 J9,7~68.J 219:127392J.~ ;J55,E1;06.'451.-.,: 5~t ~6 !~\\',' ....Jf,\\w?-~\~1A H 100 lOS us r:a'501S6 170hIS ns 255280305 3JOJGS 3510L ;'I) ':e ;,-s:OS . :... . ~ _.;. . . - '. _. .. " :., rio,,,, ,c 7S 8& 92 98 IDS 130140' SO 1'.5 195 220 i4~ 27029532"5 rso 3is" (oS4SS .o 12 12 12 I~ 25 2S '52'S '2525 -l5 J$ 35 :IS SO 50 SO SO SO

~~D 750 150 7S~ 750 11802000 2o?( 2~~~~ 20~02~OO~60~'2600i~ooi~~ ,~ ~ ? ~ c iL~.OO~~O :: ., :, ;.~~~4--4--~~_,--~~~~~~~~~_.~~~~~~~~~~~~~~~tWI :: 086092 P : 9 8 11 15 1.&5,1:0 J.!I 'J~'~ , 2 . ~ ~ : 0 9 _ : : 9 . 1 9 : 7 1; ; 8 2 J ; O i S ~ ~ 2 8 ; " 2tt # ~ : o . : ~ - . ~~ , . , - 'INo1 < : , . ' ~ . : . '., ".- ! .. ; :. :. . :1 . ' '. : '.0' ':;'1.{'~;;: .,.."(h~~,c;'Y" ~-,:,,; .'KG.~~ . Go1lS.05 1.1 1.2 1.6. 1.8 1,9 1.0 1;:.9 5.S 8.t: g.1; tl~nl ..2 ' ] ~ ~ ls.;i9~&lQ:tij':S-.:.-'.:~:02 .

fI ! . ! fu.:~PIP E C LAM P S 0 " N 1 5 ;..6 0 0 ; D OU at e ' 8 :0 L -l . 1

. . '.. ...... r .:_"~ .,'... ~:"'~~.'.NOTE:-l .BOlTS C o NUTS A R E M E T R _~ . . ~ O R ; E a - U i V A L E N f

:I,BOLTS i. NUTS ARE COt- lM-ERCML'QUAlfTv.

9RNH4.V.S.N. STO.ORG.NO:-APO:- 5 ES.;..pS:O 2DATE : - s H E ~. T. I . 0 F . . l'.~. ..

"..---~--,.. /-,~ :

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18/19


19/19

. . . . . ,.,-"'.".:.

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,- - f----!'-"- _. ._-,. t ' . . ' " I . ~ . , T i . J,.~":"FIG : 8

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TITLE '_MATERIAL, . :.St4~6tQ IS 2 2 6 . : a 2 : " . _ " _ ~ ; . . , . . . " ' "APPLICATioNS: .Forattacbmentto bo~omof beams b y wel~ln9 .: .' '..,", , . , ... ' . - . .~. . . TheaSe attachment allow fre e movemen t o f th e hange r ro d fo r an y. h oriz on ta l d ire ctio n 'O fplpemOil'emeht. '. . .. "'.' '., .... :. .' '. : .

..For {I~xibUitt$t th~ beam, :th i$ ' is ~ .b e-used along with :eye;rod o r ~fth V(eldless .eye nut. ,Fbri 'vertiqalalj justment tt)is is to be used ~ long wiVl thrE;faded r o o and nut; W elding the ;b eam: a tta chment In an in ve rte d 'p os itlo n to th e beam as In F ig :B " .:.... ': N \36 and larger are'pinifwith co ttar,pins .. ': . ' :'., ~ . :. ... T~e;vJemi!l~r.!l~~~~h,byl~~y~ ' b e ~ p p n e d l i 1 ' , t f r ~ ' c t f Q f f P ~ r ~ / I ~ r k f t h : e ' : b e a wohgltudlhal. : center !ii1~.h is ' l~aTWaystrUe;WhEm w:eJdilig tQ th~ ~l1der side b f/ o a C ie d b e a m S '. . " .~ ~ E R fN ~ . '. : _ ~ ~ ~ % ~ : ~ ~ ! ~ ; ;~ ; : ~ a ~ f l~ ~ ;~ : t~ h t~ e ~ > ~ i ~ ~ " ~ v.~ : " < ; : ~ ' " ' ' ' ' : ' ~ : : : ' ; ' ' ~ : . " , : ~ ' ;NoiE~' : F~r"eo~?,~.,a.,~9,~Ill~r~.f5l~,'~:~f~~F.!~:,~L,:;,:., ; " i " " : , ~ " . , . " , ' . " , , '

Note

2 M ' i 1 S e o,~ .no , e o !5 M27 7 5 45 . 60 30 7 !sx12 '... . . . .~~~;,.~,- . e ".t : '. - ... ' .

sarathi variable spring supports

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