stas 4790-84

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Corl. 264 .130 czu 621.643.412 STANDARD DE STAT EDITIE OFICIALA STAS 4790-84 REruBLICA SOCIALISTA ROMANIA cse ,g.U/ul mtlE CONSILIUL NATIONAL PENTRU $TIINTA sr TEHNOLOGTE INSTITUTUL ROMAN DE STANDARDIZABE Fr..\ri$E t)I\ o't'tit. FT-,AN SI' ITOTT]NI}H, CTJGi'[', PIINTITTI STIT)AIII' IT' CAPUI-, TI'VTI l)n 2r5 l)irnensiurri Tnlocuiegte : srAs 1790-74 Clasillcarea allanumcrlel c07 S tt'r'l f langcs liot;Nt) NI.toti I.'L,\N(;l.ts Folt \\'I.tLt ) t\(i oN t) I I)t.. I IF,.\ | ) NP 2.;-r I )inrcnsiorrs llritlt's ('u lrcier' {0rge Illt il )IiS l,,d)\t)Ir.s A COt.t-IiRE'l']'.t.. A SOt.t){ilt }i\ }r,ol't' I'N 2, o |)intt'ttsiotts (D;raIrIIr't (lraJII'lIbIe rD,rIAIIIlbI ltPlzl.,ilbllI (l IIIEtt- ITOI,1. IIPIII}-,\I)HbII' JI ITOHTIT' TI)I/FbI Py 2,5 I'aanreprr "cd q N !i q.) c 6 o Li E) C) L o. (.) H ..; '6 E L O r$ L trU F L. G.l a o a a) ! k ? g 6 E a G Q) k s q) o. U) |J L .,, z Stlnrlrrrtlttl t'rlr,.sptrntlt' t.rr lS;O 2()8.1,11)7-1 I {ifrier"t si rloltrr.rrirr rlr. ll)li(.itr(' l'r'('z('lr1 ul strrrrrlirltl st:rlliir'$tc rlirrrcrrsiurriIt' 1'or',jirt. rililizirte lx'n1r'u su(lal'(' in clrplll tt'r-ilor'. irr tlt t,otttlli('11"r (fIl l)r't,siun('il 1l{}nrirrllir I'n J.5. ()ltSI'llt\''\'l'IJt I'llrrrst,lt'r't'gllrrrt,trllrtt, lirin ltrtzr,rrlrrl \ol are \otalr':r tttrt'il'lirtts('r'o1uu(l(', ('lr gi1.1x,ntl'usu(lrIr'('itr r,ttpui telii,, l)('lrtlu pr'(.siuneilnomi- :lliIiil|,tt2,5(1lt})l,irl(l(':(l('1i1il}Ii].('itl)l.()S(,tlr.tl|1ii(F.llttr lr('rt ltolt)inillil, tlilttrtt'1t'ttl notnilrirl, gt'osinrt,lt gitulrri s (rlarr:1 tlifelri (l('(,('ir,irrrlicnlir irr ta,lrt'l), S'f .-\S .+71)0-.\1 si rrrarr.lro1r'lnlrri (rlrrt.i rlift'r'r"r tlt' OL(' 20). l'.rertrtrtltr tlt'tt<ltltrt'lt rtttci fl:tttse c'rt sttpralrrlli tlt'ctirltsal't,plan:i t'u unrirr (Pt,). pcnlltr pn'siunt'n nonrirral:i I)tt'r.5. <'tt tliltrrrt'1r'ul ttornittal l)n l')(X). t'tr gl'osint('n gilultri s -.- [3,5 llrm. ('x('culatii clin ofcl Ii 47: Irf:rrrsir I't' 3.5 1900 1,.5 S'l',\S 4790-84lK 47 I)irn errsirrrri I )iltrltrsitrrri in nrrrr OllSI:.ttV.A.Tll'l 1n figrrrri eslc rcprczcntat:i o flang5 r'u suprafafir dc r:larrsarcplanir t'u unrir (PIl). Flansele cu sttpntfat:r rlt' elalrs:rreplatti sirnpki (1'SJ att acelca;i cotc, t:u excep!i:r celor rel't,ri tt.rirrt, lir srrprafa|a de etungare. l'ltt slrrttlrtrd colli'spotrtls Io I SO 2Otj4-1974 flrtnst'lor l'otun(lt', ('u git, (,\e(f utrlte ditr otel fi(rol)ulirrrilin:ilii lrltrt:il,urilor' ;i elt'tturntelot' st:urtlllri sl rrliJlzt'lzir si pcrt Ir'rrprcsiuttca nornirtali Pn 1. C; Lrl "l -i F," & hi (d & c\ Aprobat de: INSTITUTUL ROMANDE STANDARDIZARE Str. Romo nr. 32-34 BUCURE$TI Telex 11312 CNST R Ebbarat intlic;l ln 1e55 fr"eoi#lif;t in 1.96f , 19?,4 !'ii /98J Datr lntrlrit ln vigorrc: l{M-07{1

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  • Co rl . 264 .130 czu 621.643.412

    STANDARD DE STATEDITIE OFICIALA STAS 4790-84

    REruBLICA SOCIALISTAROMANIA

    cse,g.U/ulmtlE

    CONSILIUL NATIONALPENTRU $TIINTAsr TEHNOLOGTE

    INSTITUTUL ROMANDE

    STANDARDIZABE

    Fr..\r i$E t)I \ o' t ' t i t .FT-,AN SI' ITOTT]NI}H, CTJ Gi'[ ', PIINTITTI

    STIT)AIII' IT' CAPUI-, TI'VTIl)n 2r5

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    OBSERVATI I7 n reptezintti numirul dc giiuri pe ntru suruburi'2 Grosi imca s a g i tu lu i t langei poate f i rnui male r lec iL c i ' : r i r r t i icaLi i in ta l - rc l . i r t scopt t l cr l r t j l r i i c t ttelui levii la care sc suclcazei flan;4.i l Dirnensiuni le f la.11$elur au lost determinatc pe baza ca,ractcr is t ic i lor oIc l t t lu i c t l l t 'z i \ l t :nfa c lcl i70 N/mm34 I Iasa l lan;c lor a fost calculat t i cu rkr t ts i tatca 7,85 i iq. ic l tn ' r s i cs lc i t t ior t t t l l tV l ' t .

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    Elabora tdc : I I IN ISTERULINI IUSTIT IE IC I In I ICEi"J,frt"t,rr cle ingineric tchnologici qi proiectarc pcrrtru

    industr ia c l r i rn ic i in.ro*.ufri lul proiectultti : ing' tron ltd'ducanufl"a!.t"t f inal : Institutrtl rorniin dc standardizaro

    Serviciul constructii de trta;inilng. Il ihai I 'avel