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BRITISH STAND ARD | | | | | | | | | | | | | | Plastics and rubber machine s Ð | | | | | | | | | | | | | Reaction moulding machines | | | | | | | Part S afe ty requirements fo r mete ring | | | | and mixing units | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | IC S 0 | | | | | | | | NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW | | | | | BS E N 1612-1 : 1997 + A1:2008 BS EN 1612-1:1997+A1:2008 National foreword This British Standard is the UK implementation of EN 1612-1:1997+ A1:2008 It supersedes BS EN 1612-1:1997 which is withdrawn The start and finish of text introduced or altered by amendment is indicated in the text by tags Tags indicating changes to CEN text carry the number of the CEN amendment For example, text altered by CEN amendment A1 is indicated by !" The UK participation in its preparation was entrusted by Technical Committee MCE/3, Safeguarding of machinery, to Subcommittee MCE/3/2, Rubber and plastics machine — Safety A list of organizations represented on this subcommittee can be obtained on request to its secretary This publication does not purport to include all the necessary provisions of a contract Users are responsible for its correct application Compliance with a British Standard cannot confer immunity from legal obligations This British Standard was published under the authority of the Standards Board and comes into effect on 15 December 1997 © BSI 2009 ISBN 978 580 61060 Amendments/corrigenda issued since publication Date Comments 30 June 2009 Implementation of CEN amendment A1:2008 EUROPEAN STANDARD EN 61 2-1 :1 997+A1 NORME EUROPÉENNE EUROPÄISCHE NORM Au g u st 2008 I CS 83 200 Su persed es EN 61 2-1 : 997 En g l i sh Versi on Pl asti cs an d ru bber m ach i n es - Reacti on m ou l d i n g m ach i n es Part : Safety req u i rem en ts for m eteri n g an d m i xi n g u n i ts M ach i n es pou r l es m ati ères pl asti q u es et l e caou tch ou c - Ku n ststoff- u n d Gu m m i m asch i n en - Mach i n es d e m ou l ag e par réacti on - Parti e : Prescri pti on s Reakti on sg i eßm asch i n en - Tei l : d e sécu ri té rel ati ves au x u n i tés d e d osag e et d e m él an g e Si ch erh ei tsan ford eru n g en an M i sch - u n d Dosi erei n h ei ten Th i s E u ropean S tan d ard was approved by CE N on 1 J u l y 997 an d i n cl u d es Am en d m en t approved by CEN on J u n e 2008 CEN m em bers are bou n d to com pl y wi th th e CE N /CEN E LEC I n tern al Reg u l ati on s wh i ch sti pu l ate th e d i ti on s for g i vi n g th i s Eu ropean Stan d ard th e statu s of a n ati on al stan d ard wi th ou t an y al terati on U p-to-d ate l i sts an d bi bl i og raph i cal referen ces cern i n g su ch n ati on al stan d ard s m ay be obtai n ed on appl i cati on to th e CE N M an ag em en t Cen tre or to an y CEN m em ber Th i s Eu ropean S tan d ard exi sts i n th ree offi ci al versi on s (En g l i sh , Fren ch , Germ an ) A versi on i n an y oth er l an g u ag e m ad e by tran sl ati on u nd er th e respon si bi l i ty of a CE N m em ber i n to i ts own l an g u ag e an d n oti fi ed to th e CE N M an ag em en t Cen tre h as th e sam e statu s as th e offi ci al versi on s CE N m em bers are th e n ati on al stan d ard s bod i es of Au stri a, B el g i u m , Bu l g ari a, Cypru s, Czech Repu bl i c, Den m ark, Eston i a, Fi n l an d , Fran ce, Germ an y, Greece, H u n g ary, I cel an d , I rel an d , I tal y, Latvi a, Li th u an i a, Lu xem bou rg , M al ta, N eth erl an d s, N orway, Pol an d , Portu g al , Rom an i a, Sl ovaki a, S l oven i a, Spai n , S wed en , S wi tzerl an d an d U n i ted Ki n g d om EUROPEAN COMMITTEE FOR STANDARDIZATION C O M I T É E U RO P É E N D E N O RM A LI S A T I O N EURO P ÄIS C HE S KO M IT EE F ÜR NO RM UNG Management Centre: rue de Stassart, 36 © 2008 CEN Al l ri g h ts of expl oi tati on i n an y form an d by an y m ean s reserved worl d wi d e for CE N n ati on al M em bers B-1 050 Brussels Ref N o EN 61 2-1 : 997+A1 : 2008: E BS EN 61 2-1 :1 997+A1 :2008 EN 61 2-1 : 997+A1 : 2008 (E) Con ten ts Pag e Foreword I n trod u cti on Scope N orm ati ve referen ces Defi n i ti on s Li st of h azard s Safety req u i rem en ts an d /or m easu res 6 Veri fi cati on of th e safety req u i rem en ts an d /or m easu res I n form ati on for u se An n ex ZA (i n form ati ve) ! ! An n ex ZB (i n form ati ve) " " Rel ati on sh i p between th i s Eu ropean Stan d ard an d th e Essen ti al Req u i rem en ts of EU Di recti ve 98/37/EC Rel ati on sh i p between th i s Eu ropean Stan d ard an d th e Essen ti al Req u i rem en ts of EU Di recti ve 2006/42/EC 1 .1 BS EN 61 2-1 :1 997+A1 :2008 EN 61 2-1 : 997+A1 : 20 08 (E) Foreword Th i s d ocum en t (EN 61 -1 : 997+ A1 : 2008) h as been prepared by Tech n i cal Com m i ttee CEN /TC 45 “Pl asti cs an d ru bber m ach i n es”, th e secretari at of wh i ch i s h el d b y U N I Th i s Eu ropean Stan d ard s h al l be g i ven th e statu s of a n ati on al stan d ard , ei th er by pu bl i cati on of an i d en ti cal text or b y en d orsem en t, at th e l atest b y Febru ary 2009, an d fl i cti n g n ati on al s tan d ard s sh al l be wi th d rawn at th e l atest b y D ecem ber 2009 Th i s d ocu m en t i n cl u d es Am en dm en t , approved b y CEN on 2008-06-08 Th e m n ch an g es com pared to th e previ ou s versi on are: • M od i fi cati on of th e m n el em en t of th e ti tl e • Ed i tori al m od i fi cati on of An n ex ZA • Ad d i ti on of An n ex ZB • ed i tori al ch an g es of EN 92-1 : 991 to EN I SO 21 00-1 an d of EN 292-2 : 991 to EN I SO 002: 2003 i n th e fol l owi n g cl au ses: I n trod u cti on , 2, Th i s d ocu m en t su persed es EN 61 2-1 : 997 Th e start an d fi n i sh of text i n trod u ced or al tered b y am en d m en t i s i n d i cated i n th e text b y tag s !" Th i s Eu ropean Stan d ard h as been prepared u n d er a m an d ate g i ven to CEN by th e Eu ropean Com m i ssi on an d th e Eu ropean Free Trad e Associ ati on , an d su pports essen ti al req u i rem en ts of EU D i recti ve(s) ! " For rel ati on sh i p wi th E U Di recti ve(s), see i n form ati ve An n exes ZA an d ZB, wh i ch are i n teg ral parts of th i s d ocu m en t Accord i n g to th e CEN /CEN ELEC I n tern al Reg u l ati on s, th e n ati on al stan d ard s org an i zati on s of th e fol l owi n g cou n tri es are Repu bl i c, Den m ark, bou n d to i m pl em en t Eston i a, th i s Fi n l an d , Eu ropean Fran ce, Stan d ard : G erm an y, Au stri a, G reece, Bel g i u m , H u n g ary, Bu l g ari a, I cel an d , C ypru s, I rel an d , I tal y, Czech Latvi a, Li th u an i a, Lu xem bou rg , M al ta, N eth erl an d s, N orwa y, Pol an d , Portu g al , Rom an i a, S l ovaki a, S l oven i a, Spai n , Swed en , S wi tzerl an d an d U n i ted Ki n g d om BS EN 61 2-1 :1 997+A1 :2008 EN 61 2-1 : 997+A1 : 2008 (E) I n trod u cti on Th i s Eu ropean Stan d ard i s a type C Stan d ard as d efi n ed i n ! " ! E N I SO 00 " Th e exten t to wh i ch h azard s are covered i s i n d i cated i n th e scope of th i s stan d ard I n ad d i ti on , m ach i n ery sh al l com pl y as appropri ate wi th EN I SO 21 00 for h azard s wh i ch are n ot covered b y th i s stan d ard Scope Th i s stan d ard speci fi es th e h eal th an d safety req u i rem en ts for th e d esi g n of m eteri n g an d m i xi n g u n i ts for reacti on m ou l d i n g m ach i n es Th e si g n i fi can t an d speci fi c h azard s are l i sted i n cl au se an d are d eal t wi th i n th i s stan d ard Th i s stan d ard d oes n ot cover com pl etel y th e h azard s ari si n g from th e u se of h i g h l y fl am m abl e ad d i ti ves, for exam pl e, pen tan e u sed as a bl owi n g ag en t (see 7), becau se th ese h azard s d epen d to a l arg e exten t on th e ad d i ti ves an d processes u sed Th i s stan d ard d oes n ot cover th e h azard s ari si n g from th e assem bl y of separate u n i ts n ot su ppl i ed at th e sam e ti m e by th e sam e m an u factu rer ! " Th i s stan d ard d oes n ot cover th e h azard s ari si n g from th e m ovem en t of powered m i xi n g h ead s; for th ese, see EN 61 2-2 Th i s stan d ard appl i es to m eteri n g an d m i xi n g u n i ts m an u factu red after th e d ate of pu bl i cati on of th i s stan d ard N orm ati ve referen ces Th i s stan d ard i n corporates by d ated or u n d ated referen ce provi si on s from oth er pu bl i cati on s Th ese n orm ati ve referen ces are ci ted at appropri ate pl aces i n th e text an d th e pu bl i cati on s are l i sted h ereafter For d ated referen ces, su bseq u en t am en d m en ts to or revi si on s of an y of th ese pu bl i cati on s appl y to th i s Eu ropean Stan d ard on l y wh en i n corporated i n i t b y am en d m en t or revi si on For u n d ated referen ces th e l atest ed i ti on of th e pu bl i cati on referred to appl i es ! " deleted text EN 41 8: 992 , Safety of machinery - Emergency stop equipment, functional aspects - Principles for design Safety of machinery - Temperatures of touchable surfaces - Ergonomics data to establish limit values for hot surfaces EN 563, EN 954-1 , ! ! ! Safety of machinery - Safety related parts of control systems - Part : General principles for design EN 005 " , Safety of machinery – Human physical performance " Safety of machinery - Electrical equipment of machines - Part 1: General requirements (IEC 60204-1:1992, modified) EN 60204-1 : 992, EN I SO 21 00-1 , Safety of machinery - Basic concepts, general principles for design - Part 1: Basic terminology, methodology (ISO 12100-1:2003) BS EN 61 2-1 :1 997+A1 :2008 EN 61 2-1 : 997+A1 : 20 08 (E) " Safety of machinery - Basic concepts, general principles for design - Part 2: Technical principles (ISO 12100-2:2003) EN I SO 00-2: 2003, Defi n i ti on s For th e pu rposes of th i s stan d ard , th e fol l owi n g d efi n i ti on s appl y (see fi g u re ): worki n g tan k a tan k wh i ch i s part of th e m eteri n g an d m i xi n g u n i t an d tai n s on e of th e com pon en ts m eteri n g u n i t a u n i t for m eteri n g th e com pon en ts 3 mi xi n g h ead ! " th e part of th e m eteri n g an d m i xi n g u n i t for m i xi n g an d d el i very wh i ch can be m an u al l y operated or powered (i f powered , see EN 61 2-2 ) h i g h l y fl am m abl e ad d i ti ve an ad d i ti ve wi th a fl ash poi n t N OTE ≤ 21 ° C For th e m om ent there i s no Eu ropean Di recti ve or Stand ard in exi sten ce Key worki n g tan k m eteri n g u n i t m i xi n g h ead Fi g u re — Exam pl e of a m eteri n g an d m i xi n g u n i t BS EN 61 2-1 :1 997+A1 :2008 EN 61 2-1 : 997+A1 : 2008 (E) Li st of h azard s H a za rd s d u e to m ovi n g cou p l i n g s H a zard s d u e to i n s ta b i l i ty H a za rd s d u e to wh i pl a s h of h os es fol l o wi n g ru p tu re or d i s n e cti o n 4 H a za rd s d u e to fl u i d e j e cti o n H a za rd s d u e to overp res s u re H a za rd s d u e to e l e va te d te m p e ratu re s of m an u a l l y o p e te d m i xi n g h e a d s wh i ch ca n ca u s e e i th e r b u rn s or u n e xp e cte d re a cti o n s on th e p a rt of th e op e tor H a za rd s d u e to co n ta ct wi th th e com pon e n ts , a d d i ti ve s or a m i xtu re of th e m or d u e to th e i n h al ati on of g a s e s d a n g e ro u s to h ea l th D u ri n g m a n u a l fi l l i n g of th e worki n g ta n ks ; D u e to l ea kag e ; D u ri n g d e l i ve ry of p rod u ct th rou g h th e m i xi n g h e a d H a za rd s d u e to i n correct co n n e cti on of h os es H a za rd s d u e to e xp l os i on wh ere h i g h l y fl a m m ab l e a d d i ti ve s a re u s e d H a za rd s d u e to n eg l ect of e rg on om i c pri n ci p l e s 1 E l e ctri ca l h a za rd s H a za rd s d u e to fa i l u re of th e tro l ci rcu i t 5 Safety req u i rem en ts an d /or m easu res H azard s d u e to movi n g cou pl i n g s Th e e xp os e d cou p l i n g s b e twe e n pu m p s a n d m otors sh a l l b e p rote cte d b y fi xe d g u ard s H azard s d u e to i n stabi l i ty W h e re i n d e p en d e n t fi xi n g s a re u sed to s u p p ort th e m i xi n g cl a u s e H azard s d u e to whi pl ash of h oses W h i p l a s h of h os es s h a l l b e p re ve n te d , for e xam p l e b y: B i n d i n g th e h os es tog eth e r; h e ad th e y sh al l be b ol te d to th e fl o or S ee also BS EN 61 2-1 :1 997+A1 :2008 EN 61 2-1 : 997+A1 : 20 08 (E) Attach i n g th e h oses to a fi xed part Th i s sh al l be d on e at l east every 75 cm I n ad d i ti on , fl exi bl e h oses an d th ei r n ecti on s sh al l be d esi g n ed to preven t teari n g from th ei r fi tti n g s an d u n i n ten ti on al d etach m en t from n ecti on poi n ts Fl exi bl e h oses sh al l n ot be u sed to su pport th e m i xi n g h ead H azard s d u e to fl ui d ejecti on H ose assem bl i es sh al l be m arked at th ei r n ecti on poi n ts wi th th e n om i n al pressu re, m on th an d year of m an u factu re an d th e n am e of th e m an u factu rer Becau se of th e n eed to repl ace h oses (see cl au se 7) a sh ot cou n ter sh al l be provi d ed for m eteri n g an d m i xi n g u n i ts wh i ch work at a pressu re of m ore th an 30 bar Ad j u stm en t d evi ces on th e m i xi n g h ead , for exam pl e screws or pi n s sh al l be d esi g n ed i n su ch a wa y th at th ey are retai n ed i n th e h ead so th at u n i n ten ti on al com pl ete rem oval of th ese d evi ces an d th e resu l ti n g ou tfl ow of fl u i d s i s preven ted I t sh al l n ot be possi bl e for fl u i d s to be rel eased from th e m i xi n g h ead d u e to Fai l u re of th e en erg y su ppl y an d /or U n expected restorati on of th e en erg y su ppl y Th i s m ay be ach i eved for exam pl e By m ean s of a val ve wh i ch sh al l au tom ati cal l y cl ose i n case of an y fai l u re of th e en erg y su ppl y; By a req u i rem en t to restart th e m ach i n e at th e trol pan el after an y fai l u re of th e en erg y su ppl y Th e safety rel ated parts of th e trol system for th e m i xi n g h ead sh al l be of at l east categ ory of EN 954-1 5 H azard s d u e to overpressu re Th e m eteri n g an d m i xi n g u n i t sh al l be d esi g n ed so th at th e pressu re can n ot exceed th e m axim um pressu re speci fi ed b y th e m an u factu rer Th i s sh al l be ach i eved ei th er: By l i m i tati on of th e d ri ve s ystem for pu m ps or By on e or m ore m ech an i cal d evi ces for exam pl e a pressu re rel i ef val ve or bu rsti n g d i sc Open i n g of th e d evi ce(s) sh al l n ot g i ve ri se to em i ssi on s to th e en vi ron m en t Th i s m ay be ach i eved for exam pl e b y th e rel i ef val ve bei n g ven ted i n to a vessel to tai n an y l i q u i d rel eased H azard s d u e to el evated temperatures of manu al l y operated mi xi n g h ead s M an u al l y operated m i xi n g h ead s wh ere th e tem peratu re of th e su rface can exceed 50° C sh al l be provi d ed wi th h an d l es Th e tem peratu re of th e h an d l es sh al l n ot exceed th e l i m i ts set by EN 563 Th ese h an d l es sh al l be so d es i g n ed th at i t i s i m possi bl e for th e operator to tou ch th e m i xi n g h ead wh i l st h ol d i n g th em H azard s d u e to contact or i n h al ati on For m an u al fi l l i n g of worki n g tan ks, see cl au se 7 BS EN 61 2-1 :1 997+A1 :2008 EN 61 2-1 : 997+A1 : 2008 (E) Th e m eteri n g an d m i xi n g u n i t sh al l be d esi g n ed so th at l eakag e can be d etected vi su al l y Devi ces sh al l be provi d ed to tai n fl u i d s wh i ch m ay escape from d yn am i c seal s A l ocal exh au st ven ti l ati on system m ay be n eed ed for th e d el i very area d epen d en t on com posi ti on of th e prod u ct (see cl au se 7) For tact d u e to spl ash i n g , see cl au se H azard s d u e to i n correct n ecti on of h oses H oses an d th ei r n ecti on poi n ts sh al l be u n am bi g u ou sl y an d perm an en tl y m arked See al so cl au se H azard s d u e to expl osi on wh ere hi g h l y fl ammabl e ad di ti ves are u sed M easu res are req u i red to preven t th e bu i l d u p of cen trati on s of h i g h l y fl am m abl e ad d i ti ves wh i ch cou l d l ead to an expl osi on Th e m eth od s to be ad opted to ach i eve th i s d epen d on th e ad d i ti ve an d th e process u sed Th e m easu res sh al l take i n to accou n t a fai l u re of th e safety rel ated parts of th e trol system , th e d yn am i c seal s or th e en erg y su ppl y See al so cl au se H azard s d u e to n egl ect of erg on omi c pri n ci pl es " Th e force n eed ed per operator to m an i pu l ate th e m i xi n g h ead sh al l n ot exceed th e l i m i t val u es g i ven i n 005 1 See al so cl au se ! EN El ectri cal h azard s El ectri cal eq u i pm en t sh al l be i n accord an ce wi th EN 60204-1 Stop fu n cti on s sh al l be at l east categ ory of 2 of EN 602 04-1 : 992 Em erg en cy stops sh al l form to ei th er categ ory or i n accord an ce wi th of EN 60204-1 : 992 Em erg en cy stop actu ators sh al l be posi ti on ed i n accord an ce wi th 4 of EN 41 8: 992 H azard s d u e to fai l u re of th e trol ci rcu i t Th e trol system sh al l be d esi g n ed i n accord an ce wi th categ ory of EN 954-1 Th e trol pan el sh al l be eq u i pped wi th a start trol an d a stop trol Th e start trol sh al l req u i re resetti n g after a power fai l u re See al so Veri fi cati on of th e safety req u i rem en ts an d/or m easu res Veri fi cati on of th e safety req u i rem en ts an d /or m easu res sh al l be u n d ertaken as sh own i n tabl e bel ow BS EN 61 2-1 :1 997+A1 :2008 EN 61 2-1 : 997+A1 : 20 08 (E) Tabl e — M eth od s of veri fi cati on su bcl au se m eth od s of veri fi cati on vi su al i n specti on fu n cti on al test X X X X X 5 X X X X X 2) 1) m easu rem en t cal cu l ati on X EN 954-1 X X X EN 563 see al so cl au se X see al so cl au se X X X 1) referen ces X X 1 X X X X see al so cl au se see al so cl au se EN 60204-1 ; ! EN 41 EN 954-1 " Fu n cti on al testi n g i n cl u d es veri fi cati on of th e fu n cti on an d effi ci en cy of g u ard s an d safety d evi ces on th e basi s of d escri pti on s g i ven i n th e i n form ati on for u se safety rel ated pl an s an d ci rcu i t d i ag ram s th e req u i rem en ts g i ven i n cl au se of th i s stan d ard an d i n th e oth er q u oted stan d ard s 2) Th e m eth od s of veri fi cati on wi l l d epen d on th e safety m easu res sel ected I n form ati on for u se ! " Each m eteri n g an d m i xi n g u n i t sh al l be accom pan i ed b y i n form ati on from th e m an u factu rer g i vi n g g en eral i n stru cti on s for u se (See of EN I SO 21 00-2: 2003 ) Th e m an u factu rer sh al l i n d i cate: Th e n u m ber of operators n eed ed for m an u al operati on of th e m i xi n g h ead ; Posi ti on s an d s i zes of bol ts n eed ed to secu re th e i n d epen d en t fi xi n g s su pporti n g th e m i xi n g h ead ; Th e speci fi cati on for repl acem en t h ose assem bl i es; Th e m axim um tim e i n u se after wh i ch th e h ose assem bl i es sh al l be repl aced an d , for m i xi n g u n i ts operati n g at pressu res above 30 bar, th e m axim u m n u m ber of cycl es after wh i ch th i s sh al l be d on e; Th at h ose assem bl i es sh al l be i n spected at l east on ce every m on th an d i f th ere i s si g n i fi can t wear th e y sh al l be repl aced i m m ed i atel y; BS EN 61 2-1 :1 997+A1 :2008 EN 61 2-1 : 997+A1 : 2008 (E) Th at h ose assem bl i es sh al l assem bl i es sh al l be re p l a ce d be m a rke d a fte r a n y h e a vy e xte rn a l i m p a ct ( fo r e xa m p l e ca u s e d by a fo rk- l i ft tru ck) Th at h ose m a n u fa ctu re T h a t d u ri n g p ro te cti ve Th at an d m an u al 10 u se of m e a s u re s u sed , Th at if A s a fe an d th e d e vi ce s and fi l l i n g o f th e o f th e sh al l be at co n n e cti o n p o i n ts wi th th e n om i n al p re s s u re , m o n th an d ye a r of m a n u fa ctu re r; wo rki n g wo rn in ta n ks , o p e ti o n , a cco rd a n ce wi th cl e a n i n g , th e i n s p e cti o n i n fo rm a ti o n g i ve n an d by m a i n te n a n ce , th e p e rs o n a l m a n u fa ctu re rs of th e a d d i ti ve s ; co m p o n e n ts p re ve n ti ve wh i ch th e ri s k n am e ce rta i n m a y re q u i re Th e a re th e th e eq u i pm en t com p o n e n ts an d of co n ta ct ( fo r e xa m p l e p ro ce d u re h a ve m e th o d s fo r been due ta ke n to to " , as m ay ca u s e fo r e xam p l e p re ve n t th e ri s k th e l o ca l of re l e a s e e xh a u s t e xp l o s i o n of g a s es d a n g e ro u s to h e a l th fl a m m a b l e a d d i ti ve s ve n ti l a ti o n ; wh e n highl y fo r th e m ; s pl as h i n g s cre e n s ) fi l l i n g a d d i ti ve s s u ch o f ve ri fi ca ti o n spl ash ! an d m e a s u re s sh al l cl e a n i n g is be n ot fi tte d an d p re ve n te d as by p a rt o f th e m a i n te n a n ce th e m ou l d u s e r' s d esi g n , a d d i ti o n a l re s p o n s i b i l i t y; p ro te cti ve BS EN 61 2-1 :1 997+A1 :2008 EN 61 2-1 : 997+A1 : 20 08 (E) An n ex ZA ! (i n form ati ve) Rel ati on sh i p between th i s European Stan d ard an d th e Essen ti al Req u i remen ts of EU Di recti ve 98/37/EC Th i s Eu ropean Stan d ard h as been prepared u n d er a m an d ate g i ven to CEN by th e Eu ropean Com m i ssi on an d th e E u ropean Free Trad e Associ ati on to provi d e a m ean s of form i n g to Essen ti al Req u i rem en ts of th e N ew Approach Di recti ve 98/37/EC am en d ed b y 98/79/EC on m ach i n ery On ce th i s stan d ard i s ci ted i n th e Offi ci al J ou rn al of th e Eu ropean Com m u n i ti es u n d er th at D i recti ve an d h as been i m pl em en ted as a n ati on al stan d ard i n at l east on e M em ber State, com pl i an ce wi th th e n orm ati ve cl au ses of th i s stan d ard fers, wi th i n th e l i m i ts of th e scope of th i s stan d ard , a presu m pti on of form i ty wi th th e rel evan t Essen ti al Req u i rem en ts of th at Di recti ve an d associ ated EFTA reg u l ati on s " WARN I N G — Oth er req u i rem en ts an d oth er EU Di recti ves m ay be appl i cabl e to th e prod u ct(s) fal l i n g wi th i n th e scope of th i s stan d ard 11 BS EN 61 2-1 :1 997+A1 :2008 EN 61 2-1 : 997+A1 : 2008 (E) An n ex ZB ! (i n form ati ve) Rel ati on sh i p between th i s European Stan dard an d th e Essen ti al Req u i remen ts of EU Di recti ve 2006/42/EC Th i s Eu ropean Stan d ard h as been prepared u n d er a m an d ate g i ven to CEN by th e Eu ropean Com m i ssi on an d th e Eu ropean Free Trad e Associ ati on to provi d e on e m ean s of form i n g to Essen ti al Req u i rem en ts of th e N ew Approach Di recti ve 2006/42/EC on m ach i n ery On ce th i s stan d ard i s ci ted i n th e Offi ci al J ou rn al of th e Eu ropean Com m u n i ti es u n d er th at D i recti ve an d h as been i m pl em en ted as a n ati on al stan d ard i n at l east on e M em ber State, com pl i an ce wi th th e n orm ati ve cl au ses of th i s stan d ard fers, wi th i n th e l i m i ts of th e scope of th i s stan d ard , a presu m pti on of form i ty wi th th e rel evan t Essen ti al Req u i rem en ts of th at Di recti ve an d associ ated EFTA reg u l ati on s " WARN I N G — Oth er req u i rem en ts an d oth er EU Di recti ves m ay be appl i cabl e to th e prod u ct(s) fal l i n g wi th i n th e scope of th i s stan d ard 12 blank BS E N 1612-1 : 1997 + A1:2008 BSI - British Standards Institution BSI is the independent national body responsible for preparing British Standards It presents the UK view on standards in Europe and at the international level It is incorporated by Royal Charter Revisions British Standards are updated by amendment or revision Users of British Standards should make sure that they possess the latest amendments or editions It is the constant aim of BSI to improve the quality of our products and services We would be grateful if anyone finding an inaccuracy or ambiguity while using this British Standard would inform the Secretary of the technical committee responsible, the identity of which can be found on the inside front cover Tel: +44 (0)20 8996 9000 Fax: +44 (0)20 8996 7400 BSI offers members an individual updating service called PLUS which ensures that subscribers automatically receive the latest editions of standards Buying standards Orders for all BSI, international and foreign standards publications should be addressed to Customer Services Tel: +44 (0)20 8996 9001 Fax: +44 (0)20 8996 7001 Email: orders@bsigroup.com You may also buy directly using a debit/credit card from the BSI Shop on the Website http://www.bsigroup.com/shop In response to orders for international standards, it is BSI policy to supply the BSI implementation of those that have been published as British Standards, unless otherwise requested Information on standards BSI provides a wide range of information on national, European and international standards through its Library and its Technical Help to Exporters Service Various BSI electronic information services are also available which give details on all its products and services Contact Information Centre Tel: +44 (0)20 8996 7111 Fax: +44 (0)20 8996 7048 Email: info@bsigroup.com Subscribing members of BSI are kept up to date with standards developments and receive substantial discounts on the purchase price of standards For details of these and other benefits contact Membership Administration Tel: +44 (0)20 8996 7002 Fax: +44 (0)20 8996 7001 Email: membership@bsigroup.com Information regarding online access to British Standards via British Standards Online can be found at http://www.bsigroup.com/BSOL Further information about BSI is available on the BSI website at http:// www.bsigroup.com Copyright BSI Group Headquarters 389 Chiswick High Road, London, W4 4AL, UK Tel +44 (0)20 8996 9001 Fax +44 (0)20 8996 7001 www.bsigroup.com/ standards Copyright subsists in all BSI publications BSI also holds the copyright, in the UK, of the publications of the international standardization bodies Except as permitted under the Copyright, Designs and Patents Act 1988 no extract may be reproduced, stored in a retrieval system or transmitted in any form or by any means – electronic, photocopying, recording or otherwise – without prior written permission from BSI This does not preclude the free use, in the course of implementing the standard, of necessary details such as symbols, and size, type or grade designations If these details are to be used for any other purpose than implementation then the prior written permission of BSI must be obtained Details and advice can be obtained from the Copyright and Licensing Manager Tel: +44 (0)20 8996 7070 Email: copyright@bsigroup.com