1、BRITISH STANDARD BS 482 5-5:1991S t a inless steel tu b e s a nd fitting s for the foodindustr y a nd o t herh y gieni capplicat ion s Par t 5 :Spec ificat ion for rec e ssed ringjoint type c o u plings+A1:2009ICS 67.260; 77.140.75Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 08/12/2009 06:
2、15, Uncontrolled Copy, (c) BSIBS 482 5-5: 1991T his B rit i s h S t a nda rd, h a v ingb een prepa red under thedirec t ionof the P iping S ystems C omponen ts S t a nda rds P olic y C ommittee, wa s p u b lis hed undert he a uthority of the S t a nda rds B o a rd a nd c ome s int oeffe c t on3 1 Ja
3、n u a r y 1992T he follo w ing BSI referen c e srel a t e to the work on this sta nda rd:C ommittee referen c e PSE/ 8D r a f t for c omment 88/729 23 DCISBNC ommittees res pons i b le for this B rit i s h S t a nda rdT he prepa r a t ion of this B rit i s h S t a nda rd wa s ent r ustedb y t heP ip
4、ingS ystems C omponents S t a nda rds P oli c y C ommittee ( PSE / -) to T e c hnical C ommitteePSE/ 8 , upon whic h the follow ing b odies w ere repres ent ed:A dhe s i v e Tape Man u f acturers A sso c i a t ionB rit i s h C ompre ssed A ir S o c ietyB rit i s h Gas plcB rit i s h Malleable T u b
5、e F i ttings A sso c i a t ionB rit i s h S t eel I ndust r yB rit i s h Val v e a nd Actua t or Man u f acturers A sso c i a t ionB rit i s h W elded S t eel T u b e A sso c i a t ionE ngineering E q u ipment a nd Mat eria l s U s ers A sso c i a t ionF ood a nd D rink F eder a t ionI n sti tut ion
6、of C i v il E ngineersI n sti tut ionof Gas E ngineersI n sti tution of Wat er a nd E n v ironment a l Man a gemen tLarge D i a met er S t eel T u b e A sso c i a t ionM e c h a nical Handling E ngineers A sso c i a t ionS t a inless S t eel Fabricat ors A sso c i a t ionof G rea t B rit a inS t eel
7、 T u b e F i tting s Man u f acturers T e c hnical A sso c i a t ionWat er C ompa nies A sso c i a t ionWat er R e s e a r c h C ent reWat er S erv i c e s A sso c i a t ionof E ngl a nd a nd WalesC oopt ed memb erT he follo w ing b odies w ere a l s orepres ent ed in the dra f t ingof the st a nda
8、rd,t hro u gh subcommittees a nd p a nel s :B rew ers S o c ietyDairy T r a de F edera t ionI n sti tut ionof P rod u c t ion E ngineer sM ilking Mac hine Man u f acturer s A sso c i a t ion+A1:2009 BSI 2009978 0 580 65643 9#OGPFOGPVU K UUWGF U KPEG R W DNKECV KQP#OFnull 0Qnull Par t 2:Spec ificat i
9、on for b ends a nd tees; Par t 3:Spec ificat ion for c l a mp type c o u plings; Par t 4 :Spec ificat ion for threa ded ty pe c o u plings; Par t 5 :Spec ificat ion for rec e ssed ring joint type c o u plings .T his Par t of BS 482 5 spec ifies t he dimens iona lde t a ils of a ll c omponents for ri
10、ngjoint type fitting s a nd c o v ers surfacefini s h , m a n u f acturers c ert ifi cat e a ndm a rking.C o u pling s spec ifiedin BS 482 5 a re int endedfor the follo w ing us e s : Par t 3 : where eit her in-place c lea ning or frequ ent dis m a n t ling i s nec e ssa r y; Par t 4 : where c lea n
11、ing in-place te c hniqu e s a re norma lly pract i s ed; Par t 5 : w here piping systems a re frequ ent l y dis m a n t led.T he e ssent i a ldifferenc e s b e tween this Par t of BS 482 5 a nd BS 186 4 : 1966 a re a sfollows.a ) S pec ificat ions for tub e si z e s a nd m a t eria l s a re now giv
12、en in BS 482 5-1.b ) D imens ion s for b ends a nd tees a re giv en in BS 482 5-2 .c ) D imens ion s for st r a ight t hrou gh a nd three wa y c o c k s h a v e b een wi t hdra w n.d) T he r a ngeof si z e s h a s b eenextended toin c l u de 4in c o u pling s .S u mma r y of p a gesT his doc u ment
13、c ompris e s a front c o v er,anin s ide front c o v er, p a ges i toiv ,p a ges 1 t o1 a nd aback c o v er.T his sta nda rd h a s b een upda t ed ( s ee c opy right d a t e) a nd m a y h a v eha da mendments inc orpora t ed. T his w ill b eindicat ed in the a mendment t able on theins ide front c o
14、 v er.BS 4825-5:1991+A1:2009 supersedes BS 4825-5:1991, which is withdrawn.The start and finish of text introduced or altered by Amendment No. 1 is indicated in the text by tags !“. Minor editorial changes are not tagged.Compliance with a British Standard cannot confer immunity from legal obligation
15、s.BS 482 5-5: 1991+A1:2009 BSI 20097(IDF type)nullnullnullnull nullnullnullnullnullnullnullnullnullnullnull nullnullnullnull nullnullnull nullnullnullnullnullnullnull nullnull nullnullnullnullnullnullnull nullnullnull nullnullnull nullnullnullnullnullnullnullnullnull nullnullnullnullnullnullnullnull
16、nullnull nullnull nullnullnullnullnullnullnullnullnullnull nullnullnullnullnull nullnullnull nullnullnullnullnullnullnullnullnullnullnull nullnullnull nullnullnull nullnullnullnullnullnullnull nullnullnullnullnullnullnullnullnullnullnullnullLicensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 08/1
17、2/2009 06:15, Uncontrolled Copy, (c) BSIi v b l a nkLicensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 08/12/2009 06:15, Uncontrolled Copy, (c) BSI11 ScopeT his Par t of BS 482 5 spec ifies the dimen s ion s ,t olera n c e s , surfacefini s h , m a t eri a l s ,assemb l y a ndh y gieni c req u i
18、rements for welded a nd e x p a ndedtype m a le p a r ts, liners , n uts a nd se a l s for rec e ssedring joint type fitting s for the food ind ust r y a ndo t herhy gieni capplicat ion s .NOTE 1 T he m a le p a r ts a nd liners s pec ified a re int ended to b eused wi t h sta inless steel tub e s s
19、pec ified in BS 482 5-1.NOTE 2 T he ti t les of the p u b licat ions referred toin this sta nda rd a re listed on2 I nforma t ion to b e su pplied b y t hep u r c h a s er2 .1 T he p u r c h a s er i s t oprov ide to the su pplier theinforma t iongi v en inA ppendi x A toen able produ c ts t o b e s
20、upplied in accorda n c e w i t h t his sta nda rd.2 . 2 A n u m b er of opt ions a re permitted b y this sta nda rd a s giv en in A ppendix B .B o t h the definit i v erequ irements s pec ifiedt hro u gho ut this sta nda rd a nd the opt ions s elec t edb y t he p u r c h a s er sh a ll b e sa t i s
21、fied b y t hem a n u f acturerb eforeacl a im ofc omplia n c e wi t h this sta nda rdcan b ema dea nd verified.I n thee v ent t h a t t he p u r c h a s er does not indicat ehi s requ irements a t t he timeofenqu iry a nd order the m a n u f acturers h a ll selec t t he opt ions w here a ppropria t
22、e.3 D efinit ionsF or the p u rpos e s of this Par t of BS 482 5 thefollo w ingdefinit ion s a pply .3 .1e x p a nded m a le p a r te xterna lly t hrea ded p a r t of thec o u pling prov idingas e a ling groov e. T o b e a ttached to a tub eend b ye x p a n s ion3 . 2 e x p a nded linerc o u pling p
23、 a r t h a v ing a shou lder a nd prov iding as e a ling f ace. T o b e a ttached to a tu b eend b y e x p a n s ion3 . 3 w elded m a le p a r te xterna lly t hrea ded p a r t of thec o u pling prov idingas e a ling groov e. T o b e a ttached to a tub eend b y ab utt weld3 .4w eldedlinerc o u pling
24、p a r t h a v ing a shou lder a nd prov iding as e a lingface. T o b e a ttached to a tu b eend b y b utt w eld3 .5s e a la nel a stomer whic hprov ides a liqu id tight joint w hen c ompressed b y t he liner s e a ling f ace3 . 6 hex a gon n uta nin t erna lly t hrea ded c omponent prov iding thec l
25、 a mping of the c o u pling a nd c ompressing the se a lb e tween the liner a nd m a le p a r t4 S y m b olsF or the p u rpos e s of this Par t of BS 482 5 , thefollow ing sy m b ols a pply :C 1 o utside dia met er of nec kofex p a nded ty pem a le p a r t a nd linerC 2 s pigot dia met er of welded
26、ty pe m a le p a r tC 3 ins ide dia met er of n utC 5 ins ide dia met er of e x p a nded ty pe m a le p a r t a nd linerC 6 ins ide dia met er of welded type m a le p a r t a ndlinerC 7 o utside dia met er of e x p a nded a nd welded ty pelinerC 1 0 o utside dia met er of nec kof welded type m a lep
27、 a r t a nd linerC 11 c ent ring dia met er of the ring groov eC 1 2 dia met er of spigot rec e ss of e x p a nded a ndw elded ty pe linerC 1 3 ins ide dia met er of spigot rec e ss of welded ty pelinerC 14 dia met er of fla nge nec kof welded type linerC 15 dia met er of threa d underc ut of n utd
28、m a jor dia met er of m a le p a r t t hrea dd 1 minor dia met er of m a le p a r t t hrea dd 2 pit c hdi a met er of m a le p a r t threa dD m a jor dia met er of n ut threa dD 1 minor dia met er of n ut t hrea dD 2 pit c hdi a met er of n ut threa dF 1 t o t a llengt hofex p a nded ty pe m a le p
29、a r tF 2 effec t i v elengt hof welded type m a le p a r tF 3 t o t a llengt hofex p a nded type linerF 6 t o t a llengt hof welded type linerG 1 lengt hofexterna l threa dofex p a nded a ndw elded ty pe m a le p a r tG 2 lengt hofin t erna l threa dofnutK 1 ring groov edept hK 2 lengt hof spigot of
30、 welded type m a le p a r tBS 482 5-5: 1991+A1:2009 BSI 2009page 17 .! “Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 08/12/2009 06:15, Uncontrolled Copy, (c) BSI25 D e s ignNOTE T he p u r c h a s er shou ld spec ify w het her e x p a nded orw elded ty pe c o u plings a re requ ired in his
31、 enqu iry a nd/ or order( s ee A ppendix A ).5.1 T he dimen s ion s of the c o u plings s h a ll b e a s giv en in Table 1 to Table 6 a nd F igu re 1 to F igu re 6.5.2 T he sc rew ed c omponents of the c o u plings s h a llb eof the bas i cWhitwort hpa r a llel form a s s pec ifiedin BS 84. T he c r
32、oss se c t ionof sc rew ed c o u plinga ssemb lies s h a ll b e a s s how nin A ppendix C .5.3 T he des ignof the c o u pling sh a ll b e su c h toensure sa t i s f act ory opera t ion in a properly a ssemb led pipeline system opera t inga t a m a x imu mw orkingpressure of 1 MPa.Table 1E x p a nded
33、 type m a le p a r t ( s ee F igu re 1)K 3 ring groov e se c t ion dia met erL 1 fla nge thic kness of e x p a nded ty pe linerL 2 ins ide fla nge thic kness of n utL 3 fla nge thic kness of welded ty pe linerL 4 dept hofre c e ss of e x p a nded ty pe m a le p a r tL 5 dept hofre c e ss of e x p a
34、nded ty pe linerL 6 dept hofre c e ss of welded linerN 2 w idt h across fla ts of n utR 3 r a dius of groov eofex p a nded a nd welded m a lep a r tsU dia met er of g a s ket s e c t ion.T u b eoutside dia met er C 1 C 5 C 11 F 1mm mm mm mm mm2 5.43 8.15 0 .863.576. 232.545.25 7 .970. 68 3 . 32 5.43
35、 8.15 0 .863.576. 233. 34 6 . 058.77 1.484.1202 42 83232T olera n c e s ( s eeC 1 : + 0 , 0 . 0 8mmC 5 :A1 0C 11 : 0.13 mmF 1 : 0. 2 5mmG 1 : 0. 20 mmK 1 : 0.13 mmR 3 : 0.13 mmF igu re 1E x p a nded ty pe m a le p a r t ( s ee Table 1)!BS EN 20286-1 and BS EN 20286-2“)BS 482 5-5: 1991+A1:2009 BSI 20
36、09Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 08/12/2009 06:15, Uncontrolled Copy, (c) BSI3Table 2 E x p a nded ty pe liner ( s ee F igu re 2)T u b eoutsidedia met er C 1 C 5 C 7 C 1 2 F 3mm mm mm mm mm mm2 5.43 8.15 0 .863.576. 232.545.25 7 .970. 68 3 . 32 5.43 8.15 0 .863.576. 241.354.0
37、66. 77 9.49 2 .127.84 0 .55 3 . 26 5.97 8.6202 42 83232T olera n c e s ( s eeC 1 : + 0, 0. 0 8mmC 5 :A1 0C 7 : , t h 0. 2 5mmC 1 2 : 0. 2 5mmF 3 : 0. 2 5mmL 1 : 0. 20 mmL 5 : 0. 20 mmF igu re 2 E x p a nded type liner ( s ee Table 2)!BS EN 20286-1 and BS EN 20286-2“)BS 482 5-5: 1991+A1:2009 BSI 2009
38、Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 08/12/2009 06:15, Uncontrolled Copy, (c) BSI4Table 3 W elded ty pe m a le p a r t ( s ee F igu re 3)T u b eoutsidedia met er C 2 C 6 C 1 0 C 11mm mm mm mm mm2 5.43 8.15 0 .863.576. 21 0 1.62 5.43 8.15 0 .863.576. 21 0 1.622. 23 4.94 7 . 660. 373
39、. 09 7 . 62 5.6 53 8.3 551.0 563. 7 576.451 0 1.8533. 34 6 . 058. 77 1.484.11 0 9.5T olera n c e s ( s eeC 2 : 0. 20 mmC 6 :N11C 1 0 : h11C 11 : 0.13 mmF 2 : 0. 2 5mmG 1 : 0. 20 mmK 1 : 0.13 mmK 2 : 0. 20 mmK 3 : 0.10 mmR 3 : 0.13 mmF igu re 3 W elded ty pe m a le p a r t ( s ee Table 3)!BS EN 20286
40、-1 and BS EN 20286-2“)BS 482 5-5: 1991+A1:2009 BSI 2009Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 08/12/2009 06:15, Uncontrolled Copy, (c) BSI5Table 4W elded type liner ( s ee F igu re 4)T u b eoutside dia met er C 6 C 7 C 1 0 C 1 2 C 1 3 C 14 F 6mm mm mm mm mm mm mm mm2 5.43 8.15 0 .863
41、.576. 21 0 1.622. 23 4.94 7 . 660. 373. 09 7 . 641.354.066. 77 9.49 2 .1117 .52 5.6 53 8.3 551.0 563. 7 576.451 0 1.8527.84 0 .55 3 . 26 5.97 8.61 0 426. 23 8.951.66 4.377. 01 02.432.545.25 7 .970. 68 3 . 31 0 8.51 01 01 01 01 01 2 . 7or 1 2 . 7or 1 2 . 7or 1 2 . 7or 1 2 . 7or 1 2 . 7or 25.4T olera
42、n c e s ( s eeC 6 :N11C 1 0 : h11C 14 : 0. 2 5mmC 1 3 : 0. 2 5mmC 1 2 : 0. 2 5mmC 7 : 0. 2 5mmL 6 : 0. 2 5mmF 6 : 0. 2 5mmF igu re 4W elded type liner ( s ee Table 4)!BS EN 20286-1 and BS EN 20286-2“)BS 482 5-5: 1991+A1:2009 BSI 2009Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 08/12/2009 0
43、6:15, Uncontrolled Copy, (c) BSI6Table 5H e x a gon n ut ( s ee F igu re 5)T u b eoutside dia met er C 3 C 15 N 2mm mm mm mm2 5.43 8.15 0 .863.576. 21 0 1.633. 34 6 . 058.77 1.484.11 0 9.54 6 . 659.373. 68 6 . 399.01 2 4.45 0 .86 5.07 9.49 2 .11 0 4.81 30. 2T olera n c e s ( s eeN 2 : h15C 3 : 0 . 2
44、0 mmC 15 : 0. 20, 0 mmG 2 : 0 . 2 5mmL 2 : 0 . 20 mmF 4 : 0 . 2 5mmD imens ion C 15 ( u nderc ut)is opt iona lF igu re 5H e x a gon n ut ( s ee Table 5)!BS EN 20286-1 and BS EN 20286-2“)BS 482 5-5: 1991+A1:2009 BSI 2009Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 08/12/2009 06:15, Uncontro
45、lled Copy, (c) BSI7Table 6 S e a l ( s ee F igu re 6)6 Mat eria l s6 .1 Male p a r ts, liners a nd n utsMale p a r ts, liners a nd n uts s h a ll b ema de froma usteni t i c sta inless st eeleq u i v a len t t o thos eli stedin Table 1ofNOTEc hemical c ompos i t ion to thos eli sted inTable 1of6 . 2
46、 S e a l sT he se a lma t eria l sh a ll b e c ompa t i b le wi t h theproc e ssing c ondit ions .NOTE T he p u r c h a s er shou ld spec ify t he proc e ssing c ondit ions ( t emper a ture/ pre ssu re/ c hemical) in his enq u iry a nd/ or order( s ee A ppendix A ).I f sy n t het i c r u bber se a l
47、 s a re spec ified the m a t eria ls h a llh a v e a h a rdness r a nge 7 5 IRHD to85 IRHDinaccorda n c e wi t h7 D imens ions a nd tolera n c e s7 .1T he dimens ions a nd tolera n c e s of e x p a nded a ndw elded ty pe m a le p a r ts, liners , n uts a nd se a l s s h a llb e a s giv en in Table 1
48、 to Table 6,as a ppropria t e.NOTE T he p u r c h a s er shou ld spec ify t he dimens ions of thec o u pling s in his enq u iry a nd/ or order(s ee A ppendix A ).7 . 2 E x p a nded ty pe m a le p a r ts a nd liners s h a ll b eprov ided wi t hgroov e s on theint erna l su rface togi v ea deq u a t e
49、 st rengt h to the e x p a nded joint b e tweent he m a le p a r t or liner a nd the tu b e.NOTE A ppendix E giv e s det a ils of groov e s sui t able for si z e s from 2 5.4 mm up to a nd inc l u ding 76. 2 mm.8 S u rfacefinis hT he surfacefinis hof c ont act a nd s e a ling surface s s h a ll h a v e a surfacero u ghne ss va l u e , R a , of not more th a n1. 0 4 m a s defined in BS 113 4-1.9 A ssemb l y9.1 E x p a n s ionE x p a nded type m a le
