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 10738-6-2 (1991): Flanges for Waveguides, Part 6: Flanges for Square Waveguides, Section 2: Flange Type K [LITD 6: Wires, Cables, Waveguides and Accessories] “!ा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 10739( Part 9/Set 2 ) : 1991 TvTm 2 &i ZTsei +i Indian Standard SPECIFICATIONF OR FLANGES FOR WAVEGUIDES PAR6T FLANGES FOR SQUARE WAVEGUIDES Section 2 Flange Type K _ UDC 621’372’831 : 621’372’829 @ BIS 1991 BUR-EAU OF INDIAN STANDARDS MANAK BHAVAN, 9 BAHADUR SHAH ZAFAR MARG NEW DELHI 110002 July 1991 Price Group 2 ., evaworciM stnenopmoC and seirosseccA lanoitceS ,eettimmoC DTL 19 FOREWORD sihT naidnI dradnatS ( traP teS/6 2 ) was detpoda yb eht uaeruB fo naidn[ Standards, retfa eht tfard dezilanif yb eht evaworciM stnenopmoC and seirosseccA lanoitceS eettimmoC had neeb devorppa yb eht scinortcelE and noitacinummoceleT noisiviD .licnuoC sihT standard ( traP teS/6 2 ) shall eb daer ni noitcnujnoc htiw SI 10738 ( traP 1 ) : 1983, segnalF‘ rof :sediugevaw traP I lareneG stnemeriuqer and ’stset and SI 10738 ( traP teS/6 I ) : 1991 segnalF‘ rof :sediugevaw traP 6 segnalF rof erauqs noitceS~,sediugevaw 1 .’lareneG tnereffiD sepyt fo ediugevaw segnalf era gnieb derevoc ni a seires fo standards gnitsisnoc fo eht gniwollof laudividni parts fo SI :83701 traP 1 lareneG stnemeriuqer and stset traP 2 segnalF rof yranidro ralugnatcer sediugevaw traP 3 segnalF rof talf ralugnatcer sediugevaw traP 4 segnalF rof talf ralucric sediugevaw traP 5 segnalF rof muidem talf ralugnatcer sediugevaw traP 6 segnalF rof erauqs sediugevaw sihT traP 6 fo SI 10738 seires is gnieb issued ni 2 snoitceS as :swollof noitceS 1 lareneG noitceS 2 egnalF epyT K elihW gniraperp this standard assistance has neeb devired morf CEI buP 7-451 ( 1974 ) segnalF‘ rof sediugevaw : traP 7 tnaveleR noitacificeps rof segnalf rof erauqs ,’sediugevaw issued yb eht lanoitanretnI lacinhcetortcelE noissimmoC ( CEI .) roF eht esoprup fo gnidiced rehtehw a ralucitrap tnemeriuqer fo this standard is deilpmoc ,htiw eht lanif ,eulav devresbo ro ,detaluclac gnisserpxe eht tluser fo a tset shall eb dednuor ffo ni ecnadrocca htiw SI 2 : 1960 seluR‘ rof gnidnuor ffo laciremun seulav ( revised )“. ehT rebmun fo tnacifingis secalp deniater ni eht dednuor ffo eulav dluohs eb eht emas as that fo eht deificeps eulav ni this standard. IS 10738 ( Part C/Set 2 )’ : 1991 Indian Standard SPECIFICATION FOR FLANGES FOR WAVEGUIDES PART 6 FLANGES FOR SQUARE WAVEGUIDES Section 2 Flange Type K 1 EPOCS 4 MATERIALS, CONSTRUCTION AND WORKMANSHIP sihT naidnI dradnatS ( traP teS/6 2 ) syal nwod snoisivorP fo 4 fo SI 10738 ( traP 1 ) : 1983 shall lanoisnemid stnemeriuqer rof egnalf epyT SI rof .ylppa erauqs .sediugevaw 5 DESIGNATION OF FLANGES FOR 2 SECNEREFER WAVEGUIDES snoisivorP fo 5 fo SI 10738 ( traP 1 ) : 1983 shall ehT gniwollof naidnI Standards era yrassecen .ylppa stcnujda ot this standard: 6 MARKING SI .oN Title snoisivorP fo 6 fo SI 10738 ( traP 1 ) : 1983 shall 3944 wolloH cillatem sediugevaw : .ylppa ( traP 6 ) : 1982 traP 6 Rigid erauqs sediugevaw 7 GNIKCAP 10738 segnalF rof sediugevaw : traP 1 snoisivorP fo 7 fo SI 10738 ( traP 1 ) : 1983 shall ( traP 1 ) : 1983 lareneG stnemeriuqer and stset .ylppa 10738 segnalF rof sediugevaw : traP 6 8 LANOISNEMID STNKMERIUQER t&I( teS/6 1 ) Y segnalF rof erauqs ,sediugevaw ehT eniltuo and snoisnemid rof elbazirusserp and noitceS 1 lareneG elbazirusserpnu epyT K segnalf shall eb ni -drocca ecna htiw .giF 1 and elbaT 1. 3 CLIMATIC CATEGORIES 9 STSET snoisivorP fo 3 fo SI 10738 traP( 1 ) : 1983 shall snoisivorP fo 8 fo SI 10738 ( traP teS/6 1 ) : 1991 .ylppa shall .ylppa 1 Is 10738 ( Pmt 6/see 2 ) : 1991 , I r V I ! t CROSS.SECllON y-y FIG. 1 FLA-NGET YPE K 2 1 dradnatS Mark ehT esu of the dradnatS Mark 1s denrevog yb the snoisivorp of the drlteruB sf Indian Standards Act, 1986 dna the seluR dna snoitalugeR edam .rednuereht ehT dradnatS Mark on stcudorp derevoc yb na naidnI dradnatS syevnoc the ecnarussa that yeht evah neeb procluccd ot ylpmoc htiw the stnemeriuqer of that dradnats rednu a llew ltcnifed metsys of noircepsni gnitset dna ytilauq lortnoc hcihw si desived dna desivrepus yb SIR dna operated yb the ,recudorp dradnatS dekram stcudorp are osla ylsuounitnoc checked yb SIR for ytimrofnoc ot that dradnats as a rehtruf .draugefas sliateD of snoitidnoc rednu hcihw I; ecnecil for the esu of the dradnatS Mark yam eb detnarg ot srerutcafunam or srecudorp yam eb icematbo morf the uaeruB of naidnI .sdradnatS Bureau of In&au Standards SIB is a yrotutats noitutitsni dehsilbatse rednu eht Bureau of Indiun Standards Act, 1986 ot etomorp suoinomrah tnempoleved fo eht seitwitca fo ,noitazidradnats gnikram and ytilauq noitacifitrec fo sdoog and gnidnetta ot detcennoc srettam ni eht .yrtnuoc Copyright BIS has the thgirypoc of lla its .snoitacilbup oN trap fo eseht snoitacilbup yam eb decudorper ni yna mrof tuohtiw the roirp noissimrep ni gnitirw of .SIB sihT does ton edulcerp the free ,esu ni the esruoc of gnitnemelpmi the ,dradnats of yrassecen ,sliated hcus as slobmys dna ,sezis epyt or grade .snoitangised seiriuqnE gnitaler ot thgirypoc eb addressed ot the rotceriD ( snoitacilbuP ), .SIB Revision of Indian Standards naidnl sdradnatS are deweiver yllacidoirep dna ,desiver nehw yrassecen and ,stnemdnema fi ,yna era issued morf emit ot .emit sresU fo naidnI Standards dluohs niatrecsa that yeht era ni noissessop of the tsetal stnemdnema or .noitide stnemmoC no siht naidnI dradnatS yam eb tnes ot SIB gnivig the gniwollof :ecnerefer Dot : .oN DIL 19 ( 1143 ) Amendments Issued Since Publication etaD fo~ eussI Amend No. Text Afkcted UAERUB FO NAID-NI SDRADNATS sretrauqdaeH : Manak ,navahB 9 rudahaB Shah rafaZ Marg, weN ihleD 110002 senohpeleT : 331 01 31, 331 13 75 smargeleT : Manaksaustha ( nommoC ot all seciffO ) lanoigeR seciffO : anohpeleT lartneC : Manak ,navahB 9 rudahaB Shah rafaZ Marg 331 01 31 WEN IHLED 110002 I 331 13 75 nretsaE : 41/l C. .I .T emehcS IIV M, V. 1. .P ,daoR alotkinaM 37 86 62 ATTUCLAC 700054 nrehtroN : SC0 ,644-544 rotceS 35-C, HRAGIDNAHC 160036 53 38 43 nrehtuoS : C. .I .T Campus, VI ssorC ,daoR MADRAS 600113 I 235 02 16 nrotse~w : ,ayalakanaM 9E MIDC, ,loraM irehdnA ( East ) 6 32 92 95 YABMOB 400093 sehcnarB : .DABADAMHA .EROLAGNAB .LAPOHB .RAWHSENABUHB .EROTABMIOC .DABADIRAF .DABAIZAHG .ITAHAWUG .DABAREDYH JAIPUR. .RUPNAK .ANTAP .MARUPAHTNANAVURIHT detnirP at llewtnirP .sretnirP ,ihleD aidnI