IS 6849-1: Positive Displacement Vacuum Pumps - Measurement of Performance Characteristics, Part 1: Measurement of Volume Rate of Flow (Pumping Speed) PDF
Preview IS 6849-1: Positive Displacement Vacuum Pumps - Measurement of Performance Characteristics, Part 1: Measurement of Volume Rate of Flow (Pumping Speed)
इंटरनेट मानक Disclosure to Promote the Right To Information Whereas the Parliament of India has set out to provide a practical regime of right to information for citizens to secure access to information under the control of public authorities, in order to promote transparency and accountability in the working of every public authority, and whereas the attached publication of the Bureau of Indian Standards is of particular interest to the public, particularly disadvantaged communities and those engaged in the pursuit of education and knowledge, the attached public safety standard is made available to promote the timely dissemination of this information in an accurate manner to the public. “जान1 का अ+धकार, जी1 का अ+धकार” “प0रा1 को छोड न’ 5 तरफ” Mazdoor Kisan Shakti Sangathan Jawaharlal Nehru “The Right to Information, The Right to Live” “Step Out From the Old to the New” IS 6849-1 (1999): Positive Displacement Vacuum Pumps - Measurement of Performance Characteristics, Part 1: Measurement of Volume Rate of Flow (Pumping Speed) [MED 17: Chemical Engineering Plants and Related Equipment] “!ान $ एक न’ भारत का +नम-ण” Satyanarayan Gangaram Pitroda ““IInnvveenntt aa NNeeww IInnddiiaa UUssiinngg KKnnoowwlleeddggee”” “!ान एक ऐसा खजाना > जो कभी च0राया नहB जा सकता हहहहै””ै” Bhartṛhari—Nītiśatakam “Knowledge is such a treasure which cannot be stolen” IS 6849 ( Part 1 ) : 1999 IS0 1607-I : 1993 Indian Standard EVITISOP DISPLACEMENT VACUUM PUMPS - MEASUREMENT FO PERFORMANCE CHARACTERISTICS TRAP 1 TNEMERUSAEM OF EMULOV ETAR OF FLOW GNIPMUP( )DEEPS Second Revision ) ( SCI 061.32 Q SIB 9991 BUREAU OF INDIAN STANDARDS KANAM ,NAVAHB 9 RUDAHAB HAHS RAFAZ GRAM NEW IHLED 200011 June 9991 ecirP puorG 2 lacimehC gnireenignE stnalP dna detaleR tnempiuqE lanoitceS ,eettimmoC DMH 71 LANOITAN FOREWORD sihT naidnI dradnatS ( dnoceS noisiveR ) hcihw si lacitnedi htiw 0SI l-7061 : 3991 -evitisoP‘ tnemecalpsid muucav spmup - tnemerusaeM of ecnamrofrep scitsiretcarahc - traP 1 : tnemerusaeM of emulov etar of wolf gnipmup( ,‘)deeps deussi yb eht lanoitanretnI noitazinagrO of noitazidradnatS ( 0SI ) saw detpoda yb eht uaeruB of naidnI sdradnatS no eht noitadnemmocer of eht lacimehC gnireenignE stnalP dna detaleR tnempiuqE lanoitceS eettimmoC ( DMH 71 ) dna lavorppa of eht yvaeH lacinahceM gnireenignE noisiviD .licnuoC sihT dradnats saw tsrif deussi ni 3791 sa sdohteM‘ of tnemerusaem of eht ecnamrofrep scitsiretcarahc of tnemecalpsid-evitisoP muucav spmup : traP 1 tnemerusaeM of eht emulov etar of wolf ( gnipmup .‘)deeps tneuqesnoC nopu eht noitacilbup of 0SI l-7061 : ,0891 siht dradnats ( gnidulcni sti eltit ) saw desiver yb gnitpoda 0SI l-7061 : ,0891 ot gnirb ti ni tnemngila htiw lanoitanretni .secitcarp ehT dnoces noitide of 0SI l-7061 taht ,si sti tsrif noisiver saw dehsilbup ni .3991 ehT gniwollof segnahc evah neeb deirrac tuo ni siht desiver :noisrev )a slobmyS of emulov etar of wolf dna tuphguorht of eht sag evah neeb .degnahc )b tneibmA ria ot eb desu sa tset sag ni ecalp of yrd .sag )c ycaruccA of gnirusaem tuphguorht of sag sah neeb detaler ot stinu s/3m.aP ni ecalp of W, gnimussa laedI saG ruoivaheb ta .C°02 )d weF snoisnemid of tset emod deifidom dna few snoisnemid ton deificeps reilrae evah neeb .deificeps ehT txet of 0SI dradnats sah neeb devorppa sa elbatius for noitacilbup sa naidnI dradnatS tuohtiw .snoitaived niatreC snoitnevnoc ,era ,revewoh ton lacitnedi ot esoht desu ni naidnI .sdradnatS noitnettA si ylralucitrap nward ot eht :gniwollof )a reverehW eht sdrow lanoitanretnI‘ ’dradnatS raeppa gnirrefer ot siht ,dradnats yeht dluohs eb daer sa naidnI‘ .’dradnatS )b Comma ( , ) sah neeb desu sa a lamiced rekram ni eht lanoitanretnI dradnatS elihw ni naidnI ,sdradnatS eht tnerruc ecitcarp si ot esu a tniop ( . ) sa eht lamiced .rekram sihT dradnats sah neeb deussi ni lareves .strap rehtO strap of siht dradnats :era SI 9486 ( traP 2 ) : 08113991 2-7061 : 9891 evitisoP tnemecalpsrd muucav spmup - -erusaeM tnem of ecnamrofrep scitsiretcarahc : traP 2 tnemerusaeM of etamitlu erusserp ( tsrif noisiver ) SI 9486 ( traP 3 ) : 6791 sdohteM of tnemerusaem of eht ecnamrofrep scitsiretcarahc of -isop tnemecalpsidevit muccav spmup : traP 3 Water ruopav gnipmup yticapac nI gnitroper eht stluser of a tset ro sisylana edam ni ecnadrocca htiw siht ,dradnats if eht lanif ,eulav devresbo ro ,detaluclac si ot eb dednuor off, ti llahs eb enod ni ecnadrocca htiw SI 2 : 0691 seluR‘ for gnidnuor off laciremun seulav ( desiver .‘) SI 9466 (Part 1) : 1999 IS0 1607 - 1 : 1993 Indian Standard EVITISOP DISPLACEMENT VACUUM PUMPS - MEASUREMENT FO PERFORMANCE CHARACTERISTICS PART 1 MEASUREMENT OF VOLUME RATE OF FLOW (PUMPING SPEED) Second Revision ) ( 1 Scope ,pmup hguorht hcihw a derusaem wolf fo sag may eb dettimda ot eht ,pmup dna hcihw si deppiuqe htiw sihT trap fo 0SI 7061 seificeps sdohtem fo gnirusaem snaem fo erusserp .tnemerusaem eht emulov etar fo wolf fo tnemecalpsid-evitisop -cav muu .spmup 3.2 ultimate pressure: gnitimiL erusserp -pa dehcaorp yllacitotpmysa ni eht dome, htiw eht sag ehT spmup deredisnoc era esoht hcihw egrahcsid eht telni evlav desolc dna eht pmup ni lamron .noitarepo sag tsniaga cirehpsomta erusserp dna hcihw eveihca a gnitimil telni erusserp fo ssel naht 001 )laP ni eno .egats 3 Apparatus esehT spmup may eb htiw or tuohtiw )s(elffab or trap(s). 3.1 Test dome, lacirdnilyc dna fo eht form nwohs ni erugif .1 ehT laixa noisnemid fo eht dome si 1,5D, 2 Definitions erehw D is eht lanretni ,retemaid dna eht tset sag ecnartne si no eht sixa ta a ecnatsid D from eht -noc For eht sesoprup fo siht trap fo 0SI ,7061 eht -wollof gnitcen egnalf dna os degnarra taht eht sag ecnartne gni snoitinifed .ylppa otni eht dome si ni a noitcerid yawa from eht pmup .htuom ehT noitcennoc ot eht eguag rof -erusaem 1.2 volume rate of flow, pumping speed: rednU stnem fo telni dna etamitlu serusserp si ta a ecnatsid laedi ,snoitidnoc eht emulov fo sag hcihw swolf ni tinu D5,0 from eht gnitcennoc egnalf htiw sti sixa -neprep time hguorht eht pmup .telni ralucid ot taht fo eht dome. ehT sixa fo eht tset dome llahs eb ralucidneprep ot eht enalp fo eht telni egnalf For lacitcarp ,sesoprup ,revewoh eht emulov etar fo fo eht .pmup wolf (S) fo a nevig pmup rof a nevig sag ,si yb -noc ,noitnev nekat ot eb eht tneitouq fo eht tuphguorht ehT emulov fo eht tset dome (V,) llahs eb ta tsael evif (Q) fo taht sag dna eht muirbiliuqe erusserp (p) ta a times eht emulov tpews yb eht pmup gnirud eno deificeps noitisop ni a nevig tset dome dna rednu noisserpmoc elcyc (VP). ehT noitcennoc ot eht telni fo deificeps snoitidnoc fo .noitarepo suhT eht pmup llahs tsisnoc fo na ,rotpada eht htgnel fo hcihw llahs ton deecxe D5,0 ees( erugif .)1 ehT -pa S = Q/P etairporp dome snoisnemid rof spmup fo nevig sezis era detacidni ni elbat .1 ehT stinu detpoda rof eht emulov etar fo wolf era eht cibuc metre rep ruoh (m3/h) or eht ertil rep dnoces .)s/l( 2.3 Pressure gauge, detarbilac ot na ycarucca fo f 5 % rof serusserp retaerg naht or lauqe ot 1 aP dna 2.2 test dome; test header: A rebmahc fo cificeps fo f 01 % rof rewol .serusserp form dna ,snoisnemid dehcatta ot eht telni fo eht 1) 100Pa=100N/m2=1 mbar;133Pa=l torr 1 SI 9466 ( Part 1) : 1999 IS0 1607-l : 1993 dehcaer sti muirbiliuqe gnitarepo .erutarepmet saG llahs neht eb dettimda otni eht dome ni such a man- ren sa ot ecudorp eht deriuqer tnemerusaem press- “rJ “D D ,eru dna eht system llahs eb dewolla ot hcaer a etats litres sertil mm fo erusserp muirbiliuqe erofeb stnemerusaem era commenced. 0 to 0.26 1,3 100 ehT emulov etar fo wolf gnipmup( )deeps llahs eb 0,26 to 1.1 5,4 160 ,derusaem gnitrats ta eht tsewol ,erusserp -yb-tniop 1,l to 4.2 21 250 tniop ta tnereffid telni serusserp ta( tsael eerht stnemerusaem nihtiw eno rewop fo ,net .e.i ta ;5,2 5 4,2 to 17 84 400 dna 01 .)yletamixorppa For hcae tnemerusaem ,tniop 17to65 325 630 eht telni ,erusserp tneibma cirehpsomta erusserp dna 65 to 260 1 300 1 000 eht tuphguorht fo sag llahs eb .denimreted nI eht esac fo spmup dettif htiw a sag tsallab ,ytilicaf eht tset llahs eb detaeper htiw lluf sag tsallab .wolf 3.3 Test gas telnI erusserp dna tupni wolf fo sag ,llahs sa raf sa tneibmA ria llahs eb desu sselnu esiwrehto .deificeps ,elbissop eb derusaem .ylsuoenatlumis fI eht meter- gni fo eht tupni sag takes more naht 06 ,s a erusserp tnemerusaem llahs eb nekat rof hcae doirep fo 06 s 4.3 Gas-throughput measuring device dna eht naem eulav .dedrocer fI eht tsehgih dna -woI tse sgnidaer reffid yb more naht 01 ,% eht -erusaem ehT dohtem detpoda rof gnirusaem eht tuphguorht tnem llahs eb .detaeper fo sag lliw dneped no eht tuphguorht .deriuqer ehT ycarucca llahs hcaer 5 Test results a) %3* rof stuphguorht retaerg naht 9,9 x 1 O- ’ Pa.m3/s; ehT pihsnoitaler neewteb eht telni erusserp dna eht emulov etar fo wolf llahs eb nwohs no a hparg gnisu b) %5-~ rof stuphguorht neewteb a cimhtiragol assicsba rof ,erusserp gnirevoc eht 9,9 x 1 O- ’ Pa*m3/s dna 9,9 x 1 O- 5 Pa*m3/s; egnar from eht etamitlu erusserp pu ot cirehpsomta ,erusserp or hcus rehto egnar sa may eb etairporppa c) + 01 % rof rewol .stuphguorht ot eht ngised fo ,pmup dna a raenil etanidro rof eht emulov etar fo .wolf ehT gnidnopserroc pihsnoitaler NOTE 1 Ideal gas ruoivaheb ta 20 “C is assumed. neewteb eht telni erusserp dna eht tuphguorht fo sag llahs eb nwohs no a hparg gnisu a cimhtiragol -ba assics rof eht erusserp dna a cimhtiragol etanidro rof 4 Test method eht .tuphguorht nI eht esac fo spmup dettif htiw a sag . tsallab ,ytilicaf eseht sevruc llahs eb devired htob 4.1 Principle tuohtiw sag tsallab dna htiw lluf sag tsallab .wolf ehT dohtem detpoda si eht ”erusserp-tnatsnoc“ 6 Test report ,dohtem ni hcihw eht erusserp ta eht htuom fo eht pmup si dednetni ot eb kept tnatsnoc gnirud eht ehT tset troper llahs edulcni eht :gniwollof gnirusaem .erudecorp nI ,ecitcarp siht noitidnoc si deredisnoc deifsitas fi eht erusserp derusaem ni eht )a epyt dna snoitidnoc fo noitarepo fo lla seguag tset dome sniamer .tnatsnoc ;desu 2.4 Procedure b) epyt fo gasket desu no eht pmup telni ;egnalf For tnemerusaem fo eht emulov etar fo ,wolf eht tset cl epyt fo yna )s(elffab ro/dna trap(s) ,deyolpme dna dome, gnirusaem-erusserp eguag dna retemwolf llahs rieht serutarepmet gnirud eht ;tset eb dettif ot eht pmup sa detacidni ni esualc .3 For eht esoprup fo eht ,tset eht pmup llahs eb nur htiw eht )d gnilooc retaw ;etarwolf debircserp egrahc dna edarg fo diulf dna ta eht -ator lanoit deeps deificeps yb eht .rerutcafunam ehT am- )e lanoitator deeps fo eht ,pmup dna stimil fo -irav tneib erutarepmet llahs eb kept tnatsnoc nihtiw noita gnirud eht ;tset &- 1 “C, rof eht doirep fo eht ,tset ni eht egnar 51 “C ot 52 “C sselnu esiwrehto .deificeps ehT tset dome f) etar fo sag tsallab ,wolf ni h/3m (or ,)s/I fi -ilppa llahs eb detaucave nehw detalosi from eht sag telni ;elbac system ,litnu revo a doirep fo 1 ,h on rehtruf erusserp pord si devresbo ni eht dome dna eht pmup sah 9) tneibma erutarepmet dna .erusserp 2 IS 9466 ( Part 1) : 1999 IS0 1607-l : 1993 Dimensions in millimetres lc nI i Pressure-measuring gauge connection Adaptor de Pump inlet diameter Figure 1 - Test dome 3 Bureau of Indian Standards SIB is a yrotutats noitutitsni dehsilbatse rednu eht Bureau ofhdian StandardsAct, 1986 ot etomorp suoinomrah tnempoleved fo eht seitivitca fo ,noitazidradnats gnikram and ytilauq noitacifitrec fo sdoog and gnidnetta ot detcennoc srettam ni eht .yrtnuoc Copyright SIB has eht thgirypoc fo all its .snoitacilbup oN trap fo eseht snoitacilbup yam eb decudorper ni yna mrof tuohtiw eht roirp noissimrep ni gnitirw fo .SIB sihT seod ton edulcerp eht eerf ,esu ni eht esruoc fo gnitnemelpmi eht standard, fo yrassecen ,sliated hcus as slobmys and ,sezis epyt ro edarg .snoitangised seiriuqnE gnitaler ot thgirypoc eb desserdda ot eht rotceriD ,)snoitacilbuP( .SIB Review of Indian Standards stnemdnemA era issued ot standards as eht deen sesira no eht basis fo .stnemmoc Standards era osla deweiver ;yllacidoirep a standard gnola htiw stnemdnema is demriffaer nehw hcus weiver setacidni that on segnahc era ;dedeen fi eht weiver setacidni that segnahc era ,dedeen ti is nekat up rof .noisiver sresU fo naidnI Standards dluohs niatrecsa that yeht era ni noissessop fo eht tsetal stnemdnema ro noitide yb gnirrefer ot eht tsetal issue fo StB‘ ’koobdnaH and sdradnatS‘ : ylhtnoM .’snoitiddA sihT naidnI dradnatS has neeb depoleved morf toD : .oN MH 17 ( 0503 ) Amendments Issued Since Publication dnemA .oN etaD fo eussI txeT detceffA BUREAU OF INDIAN STANDARDS :sretrauqdaeH Manak ,navahB 9 rudahaB Shah rafaZ Marg, weN ihleD 110002 :smargeleT Manaksanstha senohpeleT : 323 01 31, 323 94 02, 323 33 75 ( nommoC ot all seciffo ) lanoigeR :seciffO enohpeleT lartneC : Manak ,navahB 9 rudahaB Shah rafaZ Marg I 323 76 17 WEN IHLED 110002 323 :483 nretsaE : 4l/l C. .I .T emehcS IIV M, V. .I .P ,daoR alotkinaM 337 84 99, 337 85 .?6 ATTUCLAC 700054 337 86 26,337 86 62 nrehtroN : SC0 ,633-533 rotceS ,A-43 HRAGIDNAHC 160022 1 603843 60 20 25 nrehtuoS : C. .I .T Campus, VI ssorC ,daoR IANNEHC 600113 2350216,2350442 I 235 15 19,235 23 15 nretseW : ,ayalakanaM 9E MIDC, ,loraM irehdnA )tsaE( 8329295,8327858 MUMBAI 400093 C 8327891,8327892 sehcnarB : .DABADAMHA .EROLAGNAB .LAPOHB .RAWHSENABUHB .EROTABMIOC .DABADIRAF .DABAIZAHG .ITAHAWUG .DABAREDYH JAIPUR. .RUPNAK .WONKCUL .RUPGAN .ANTAP .ENUP .MARUPAHTNANAVURIHT detnirP at New aidnI gnitnirP Press, ,ajuhK aidnI
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