{"id":3963,"date":"2026-07-21T11:45:16","date_gmt":"2026-07-21T09:45:16","guid":{"rendered":"https:\/\/volthree.com\/?p=3963"},"modified":"2026-07-23T09:01:29","modified_gmt":"2026-07-23T07:01:29","slug":"quin-armari-electric-necessita-la-industria-alimentaria","status":"publish","type":"post","link":"https:\/\/volthree.com\/ca\/quin-armari-electric-necessita-la-industria-alimentaria\/","title":{"rendered":"Quin armari el\u00e8ctric necessita la ind\u00fastria aliment\u00e0ria?"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Un armari mal especificat no falla \u00absi\u00bb sin\u00f3 \u00abquan\u00bb, i quan ho fa ho fa en el pitjor moment: en plena l\u00ednia de producci\u00f3, amb el cost afegit d&#8217;una parada no planificada i, en molts casos, amb implicacions directes sobre la seguretat aliment\u00e0ria.<\/p>\n\n<p class=\"wp-block-paragraph\">Aquesta guia est\u00e0 pensada per a qui ja coneix el problema i necessita decidir: quin material, quin grau de protecci\u00f3 i quina normativa apliquen a un armari el\u00e8ctric destinat a un entorn alimentari, i per qu\u00e8 escatimar a l&#8217;especificaci\u00f3 inicial gaireb\u00e9 sempre surt m\u00e9s car a mitj\u00e0 termini.<\/p>\n\n<h2 class=\"wp-block-heading\"><strong>Per qu\u00e8 la ind\u00fastria aliment\u00e0ria exigeix \u200b\u200bun armari el\u00e8ctric diferent<\/strong><\/h2>\n\n<p class=\"wp-block-paragraph\">Cap altre sector combina de forma tan sistem\u00e0tica humitat constant, temperatures extremes (de cambres de congelaci\u00f3 a zones de cocci\u00f3) i cicles de neteja amb aigua a pressi\u00f3 i productes qu\u00edmics agressius. A aix\u00f2 s&#8217;hi afegeix un requisit que no existeix a la majoria d&#8217;ind\u00fastries: l&#8217;armari no es pot convertir en un focus de contaminaci\u00f3. Qualsevol junta deteriorada, qualsevol escletxa on s&#8217;acumuli humitat o residu org\u00e0nic, \u00e9s un risc higi\u00e8nic, no nom\u00e9s un risc el\u00e8ctric.  <\/p>\n\n<p class=\"wp-block-paragraph\">Per aix\u00f2, un armari dissenyat per a una nau industrial convencional \u2014acer pintat, IP54, \u00fas interior sense exposici\u00f3 a aigua a pressi\u00f3\u2014 \u00e9s, senzillament, l&#8217;especificaci\u00f3 equivocada en una planta d&#8217;alimentaci\u00f3 i begudes.<\/p>\n\n<h2 class=\"wp-block-heading\"><strong>Material: l\u00b4acer inoxidable AISI 316L \u00e9s el m\u00e9s habitual<\/strong><\/h2>\n\n<p class=\"wp-block-paragraph\">A la pr\u00e0ctica totalitat de les zones de proc\u00e9s, rentat i emmagatzematge d&#8217;una instal\u00b7laci\u00f3 aliment\u00e0ria, l&#8217;acer inoxidable AISI 316L \u00e9s la refer\u00e8ncia, no una opci\u00f3 entre diverses:<\/p>\n\n<p class=\"wp-block-paragraph\">Resist\u00e8ncia als protocols CIP\/SIP (Clean in Place\/Sterilize in Place): aquests cicles combinen aigua calenta, vapor i productes qu\u00edmics de neteja que degraden r\u00e0pidament materials menys resistents.<\/p>\n\n<p class=\"wp-block-paragraph\">Resist\u00e8ncia a clorurs: l&#8217;AISI 316L incorpora molibd\u00e8 en la seva composici\u00f3, cosa que li permet suportar la sal, la salmorra i els desinfectants clorats habituals en escorxadors, conserveres o plantes l\u00e0cties sense desenvolupar corrosi\u00f3 localitzada (picades).<\/p>\n\n<p class=\"wp-block-paragraph\">Acabat sanitari: superf\u00edcies llises, sense angles rectes interns, amb soldadures polides que no retenen residu ni afavoreixen la proliferaci\u00f3 bacteriana.<\/p>\n\n<p class=\"wp-block-paragraph\">L&#8217;AISI 304L pot ser suficient en zones administratives o t\u00e8cniques annexes sense contacte directe amb el proc\u00e9s, per\u00f2 aix\u00ed que hi ha exposici\u00f3 a clorurs o neteja intensiva, el 304L tendeix a desenvolupar corrosi\u00f3 amb el temps. La difer\u00e8ncia de cost entre tots dos davant del cost d&#8217;una substituci\u00f3 prematura fa que, a la majoria de projectes, el 316L sigui la decisi\u00f3 correcta des del primer dia. <\/p>\n\n<p class=\"wp-block-paragraph\">El policarbonat o el poli\u00e8ster GRP poden tenir sentit en zones perif\u00e8riques de baixa exig\u00e8ncia (\u00e0rees t\u00e8cniques exteriors, cambres de bombes), per\u00f2 no s\u00f3n lopci\u00f3 adequada en zones de proc\u00e9s o rentat, on la resist\u00e8ncia mec\u00e0nica i la compatibilitat amb neteja a alta pressi\u00f3 s\u00f3n determinants.<\/p>\n\n<h2 class=\"wp-block-heading\"><strong>Grau IP i IK: qu\u00e8 exigeix \u200b\u200brealment una planta aliment\u00e0ria<\/strong><\/h2>\n\n<p class=\"wp-block-paragraph\">El grau IP (norma EN 60529) \u00e9s probablement el criteri on m\u00e9s errors d&#8217;especificaci\u00f3 es cometen en aquest sector perqu\u00e8 la difer\u00e8ncia entre dos graus aparentment similars pot determinar la vida \u00fatil real de l&#8217;armari.<\/p>\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/volthree.com\/wp-content\/uploads\/2026\/07\/taula-ca-alimentari-1024x524.png\" alt=\"\" class=\"wp-image-3959\"\/><\/figure>\n\n<h2 class=\"wp-block-heading\"><strong>IP65 vs. IP66 vs. IP69K, la distinci\u00f3 que m\u00e9s sol fallar a l&#8217;especificaci\u00f3  <\/strong><\/h2>\n\n<p class=\"wp-block-paragraph\">IP65: protecci\u00f3 total davant de la pols, resist\u00e8ncia a raigs d&#8217;aigua de baixa pressi\u00f3. Insuficient a qualsevol zona amb neteja a m\u00e0nega. <\/p>\n\n<p class=\"wp-block-paragraph\">IP66: resisteix raigs daigua dalta pressi\u00f3 i cabal elevat. \u00c9s el m\u00ednim raonable a la major part d&#8217;una planta aliment\u00e0ria. <\/p>\n\n<p class=\"wp-block-paragraph\">IP69K: dissenyat espec\u00edficament per a neteja amb aigua a 80\u2013100 bar i temperatures de fins a 80 \u00b0C. \u00c9s l&#8217;est\u00e0ndard de facto en zones de rentat intensiu, escorxadors, sales d&#8217;especejament i l\u00ednies l\u00e0cties. <\/p>\n\n<p class=\"wp-block-paragraph\">Pel que fa al grau IK, les zones d&#8217;alt tr\u00e0nsit de carretons, contenidors o personal \u2013molt habituals en log\u00edstica interna de plantes aliment\u00e0ries\u2013 justifiquen IK09 o IK10 (fins a 20 juliols de resist\u00e8ncia a impacte), davant de l&#8217;IK08 que cobreix un entorn industrial est\u00e0ndard sense aquest risc mec\u00e0nic afegit.<\/p>\n\n<h2 class=\"wp-block-heading\"><strong>Aspectes de disseny higi\u00e8nic que no apareixen a la fitxa t\u00e8cnica<\/strong><\/h2>\n\n<p class=\"wp-block-paragraph\">M\u00e9s enll\u00e0 del material i el grau IP, hi ha decisions constructives que marquen la difer\u00e8ncia entre un armari que compleix sobre el paper i un que realment funciona a una planta aliment\u00e0ria. El sostre, per exemple, hauria de ser sempre inclinat i no pla, una superf\u00edcie horitzontal a la part superior de l&#8217;armari acumula aigua i residu amb cada cicle de neteja, i aquest detall, que sembla menor, sol ser un dels primers punts que assenyalen les auditories d&#8217;higiene. El mateix passa amb les juntes i els premsaestopes, en un entorn amb protocols CIP\/SIP, qualsevol rosca exposada o discontinu\u00eftat a la junta es converteix en un punt on es ret\u00e9 brut\u00edcia i humitat, per la qual cosa el disseny higi\u00e8nic exigeix \u200b\u200bpremsaestopes plans i juntes cont\u00ednues, sense interrupcions. <\/p>\n\n<p class=\"wp-block-paragraph\"><strong>Les frontisses i els tancaments han de ser tamb\u00e9 d&#8217;acer inoxidable i, sobretot, estar lliures de zones cegues. <\/strong>Qualsevol forat a qu\u00e8 la neteja no pugui arribar \u00e9s, a la pr\u00e0ctica, un punt de risc microbiol\u00f2gic, per m\u00e9s que el grau IP del conjunt sigui correcte. A les cambres fredes i de congelaci\u00f3 apareix a m\u00e9s un factor que no existeix en una zona de proc\u00e9s a temperatura estable, el salt t\u00e8rmic entre aquesta cambra i les \u00e0rees adjacents genera condensaci\u00f3 interna a l&#8217;armari, i conv\u00e9 anticipar-ho amb resist\u00e8ncies anticondensaci\u00f3 o ventilaci\u00f3 controlada, segons el cas, en lloc de descobrir-ho quan ja ha corro\u00eft els components. Finalment, a les instal\u00b7lacions on es manipulen farines, sucre o midons en pols hi ha un risc espec\u00edfic d&#8217;atmosfera explosiva que no dep\u00e8n de la resta de la planta. En aquests punts concrets, i nom\u00e9s en ells, l&#8217;armari ha de complir la Directiva ATEX 2014\/34\/UE.   <\/p>\n\n<h2 class=\"wp-block-heading\"><strong>Errors m\u00e9s freq\u00fcents en especificar un armari per a ind\u00fastria aliment\u00e0ria<\/strong><\/h2>\n\n<p class=\"wp-block-paragraph\">L&#8217;error m\u00e9s habitual, i el que m\u00e9s escur\u00e7a la vida \u00fatil de l&#8217;armari, \u00e9s confondre IP65 amb IP66 assumint que \u201cprotecci\u00f3 total davant de la pols\u201d implica tamb\u00e9 resist\u00e8ncia a la neteja a pressi\u00f3. No \u00e9s aix\u00ed, i aquesta confusi\u00f3 \u00e9s responsable de bona part de les avaries prematures en plantes aliment\u00e0ries. Molt relacionat amb aix\u00f2 est\u00e0 l&#8217;error d&#8217;usar AISI 304L en zones amb clorurs o amb neteja CIP\/SIP simplement perqu\u00e8 el seu preu inicial \u00e9s menor, sense tenir en compte que el cost de substituir-lo al cap de pocs anys sol superar amb escreix l&#8217;estalvi inicial.  <\/p>\n\n<p class=\"wp-block-paragraph\">Una altra fallada freq\u00fcent, i m\u00e9s dif\u00edcil de diagnosticar, \u00e9s no preveure el risc de condensaci\u00f3 al salt t\u00e8rmic entre la zona de proc\u00e9s i la cambra de fred; el resultat no \u00e9s una avaria evident, sin\u00f3 corrosi\u00f3 interna progressiva i errors el\u00e8ctrics intermitents que poden trigar mesos a atribuir-se a la causa real. A aix\u00f2 s&#8217;hi afegeix un error de planificaci\u00f3 m\u00e9s que de material, dimensionar l&#8217;armari al l\u00edmit exacte de les necessitats actuals, sense deixar espai de reserva per a futures ampliacions d&#8217;automatitzaci\u00f3 o noves l\u00ednies, cosa que obliga a substitucions completes quan la planta creix. I, finalment, hi ha un error d&#8217;enfocament que afecta fins i tot especificacions t\u00e8cnicament correctes sobre el paper, centrar-se nom\u00e9s en el grau IP nominal i ignorar el disseny higi\u00e8nic (sostres plans, rosques exposades, zones cegues), quan les auditories d&#8217;higiene aliment\u00e0ria avaluen tant l&#8217;un com l&#8217;altre.  <\/p>\n\n<h2 class=\"wp-block-heading\"><strong>Preguntes freq\u00fcents<\/strong><\/h2>\n\n<h3 class=\"wp-block-heading\"><strong>Quin material d&#8217;armari el\u00e8ctric \u00e9s obligatori a la ind\u00fastria aliment\u00e0ria?<\/strong><\/h3>\n\n<p class=\"wp-block-paragraph\">No hi ha una obligaci\u00f3 normativa que imposi un material concret, per\u00f2 a la pr\u00e0ctica l&#8217;AISI 316L \u00e9s l&#8217;est\u00e0ndard de facto en zones de proc\u00e9s i rentat, per la resist\u00e8ncia a clorurs i als protocols CIP\/SIP. L&#8217;AISI 304L pot ser v\u00e0lid a zones annexes sense contacte directe amb el proc\u00e9s ni exposici\u00f3 a neteja intensiva. <\/p>\n\n<h3 class=\"wp-block-heading\"><strong>Quin grau IP necessita un armari el\u00e8ctric a una zona de rentat?<\/strong><\/h3>\n\n<p class=\"wp-block-paragraph\">IP69K com a m\u00ednim, ja que \u00e9s l&#8217;\u00fanic grau dissenyat per suportar neteja amb aigua a 80\u2013100 bar de pressi\u00f3 i fins a 80 \u00b0C de temperatura, condicions habituals als protocols de neteja d&#8217;escorxadors, sales d&#8217;especejament i plantes l\u00e0cties.<\/p>\n\n<h3 class=\"wp-block-heading\"><strong>\u00c9s necessari un armari ATEX a tota planta aliment\u00e0ria?<\/strong><\/h3>\n\n<p class=\"wp-block-paragraph\">No a tota la instal\u00b7laci\u00f3, per\u00f2 s\u00ed a les zones on es manipulin productes en pols amb risc de generar atmosferes explosives, com farines, sucre o mid\u00f3. En aquests punts concrets hi aplica la Directiva ATEX 2014\/34\/UE, amb independ\u00e8ncia de la resta de la planta. <\/p>\n\n<h3 class=\"wp-block-heading\"><strong>Quina difer\u00e8ncia hi ha entre un armari per a zona de proc\u00e9s i un per a c\u00e0mera freda?<\/strong><\/h3>\n\n<p class=\"wp-block-paragraph\">Tots dos solen requerir IP66 o superior, per\u00f2 l&#8217;armari de c\u00e0mera freda necessita a m\u00e9s a m\u00e9s una gesti\u00f3 espec\u00edfica de la condensaci\u00f3 derivada del salt t\u00e8rmic amb les zones adjacents, cosa que no \u00e9s un factor rellevant en una zona de proc\u00e9s a temperatura estable.<\/p>\n\n<h2 class=\"wp-block-heading\"><strong>Necessites definir l&#8217;armari el\u00e8ctric adequat per a la teva planta aliment\u00e0ria?<\/strong><\/h2>\n\n<p class=\"wp-block-paragraph\">A Volthree analitzem cada l\u00ednia i cada zona de la teva instal\u00b7laci\u00f3 per especificar el material, el grau de protecci\u00f3 i el disseny higi\u00e8nic que realment necessita el teu proc\u00e9s, evitant sobrecostos per sobreespecificaci\u00f3 i avaries per especificaci\u00f3 insuficient.<\/p>\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n<hr class=\"wp-block-separator has-text-color has-white-color has-alpha-channel-opacity has-white-background-color has-background\" style=\"margin-top:238;margin-bottom:238\"\/>\n\n<div class=\"wp-block-buttons buttonvolthree is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-3e41869c wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button buttonvolthree\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/volthree.com\/ca\/contacte\/\" style=\"border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-left-radius:0px;border-bottom-right-radius:0px\"><strong><strong>Contacta amb el nostre equip t\u00e8cnic i explica&#8217;ns les caracter\u00edstiques de la teva planta<\/strong><\/strong><\/a><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>En una planta aliment\u00e0ria, l&#8217;armari el\u00e8ctric no \u00e9s un accessori m\u00e9s: \u00e9s l&#8217;element que sost\u00e9 la continu\u00eftat de la producci\u00f3 i, alhora, el punt m\u00e9s vulnerable davant dels protocols de neteja m\u00e9s agressius de qualsevol sector industrial. <\/p>\n","protected":false},"author":1,"featured_media":3962,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[46],"tags":[],"class_list":["post-3963","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-sense-categoria"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Quin armari el\u00e8ctric necessita la ind\u00fastria aliment\u00e0ria?<\/title>\n<meta name=\"description\" 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