{"id":4147,"date":"2026-09-08T09:00:00","date_gmt":"2026-09-08T07:00:00","guid":{"rendered":"https:\/\/volthree.com\/?p=4147"},"modified":"2026-09-08T09:11:09","modified_gmt":"2026-09-08T07:11:09","slug":"armaris-electrics-per-a-plantes-de-tractament-daigues-que-exigir-a-lenvolupant","status":"publish","type":"post","link":"https:\/\/volthree.com\/ca\/armaris-electrics-per-a-plantes-de-tractament-daigues-que-exigir-a-lenvolupant\/","title":{"rendered":"Armaris el\u00e8ctrics per a plantes de tractament d&#8217;aig\u00fces: qu\u00e8 exigir a l&#8217;envolupant"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">L&#8217;envolupant que protegeix aquests quadres no \u00e9s un element secundari del projecte: \u00e9s la primera l\u00ednia de defensa davant un entorn que, amb el temps, acaba passant factura a qualsevol material que no estigui pensat per resistir-lo.<\/p>\n\n<p class=\"wp-block-paragraph\">A Volthree <a href=\"https:\/\/volthree.com\/ca\/empresa\/\">treballem<\/a> habitualment amb projectes i instal\u00b7ladors que s&#8217;enfronten a aquest tipus d&#8217;instal\u00b7lacions, i la pregunta que m\u00e9s es repeteix \u00e9s sempre la mateixa: quin grau de protecci\u00f3 i quin material necessito realment perqu\u00e8 l&#8217;armari aguanti sense donar problemes?<\/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:45;margin-bottom:45\"\/>\n\n<h2 class=\"wp-block-heading\"><strong>Per qu\u00e8 una depuradora \u00e9s un dels entorns m\u00e9s agressius per a una envolupant el\u00e8ctrica<\/strong><\/h2>\n\n<h3 class=\"wp-block-heading\"><strong>Clor i agents oxidants<\/strong><\/h3>\n\n<p class=\"wp-block-paragraph\">El clor i els seus derivats, presents en bona part dels processos de desinfecci\u00f3 de l&#8217;aigua, s\u00f3n altament corrosius per a metalls que no compten amb una resist\u00e8ncia qu\u00edmica adequada. L&#8217;exposici\u00f3 no sol ser puntual, sin\u00f3 constant i acumulativa, cosa que fa que els efectes apareguin de manera progressiva i sovint es detectin quan el deteriorament ja \u00e9s visible. <\/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:41;margin-bottom:41\"\/>\n\n<h3 class=\"wp-block-heading\"><strong>Humitat constant i condensaci\u00f3<\/strong><\/h3>\n\n<p class=\"wp-block-paragraph\">En una planta de tractament d&#8217;aig\u00fces, la humitat ambiental rarament baixa de nivells elevats. A aix\u00f2 s&#8217;hi suma la condensaci\u00f3 interna que es genera quan hi ha salts t\u00e8rmics entre l&#8217;interior de l&#8217;armari i l&#8217;exterior, un fenomen que pot afectar tant el material de l&#8217;envolupant com els components el\u00e8ctrics allotjats al seu interior si no es gestiona correctament. <\/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:41;margin-bottom:41\"\/>\n\n<h3 class=\"wp-block-heading\"><strong>Salinitat en plantes costaneres<\/strong><\/h3>\n\n<p class=\"wp-block-paragraph\">Quan la instal\u00b7laci\u00f3 es troba a prop del litoral, la salinitat ambiental se suma a la resta de factors agressius. La combinaci\u00f3 de clorurs i humitat \u00e9s una de les causes m\u00e9s habituals de corrosi\u00f3 prematura en envolupants met\u00e0l\u00b7liques que no estan preparades per a aquest nivell d&#8217;exig\u00e8ncia. <\/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:47;margin-bottom:47\"\/>\n\n<h2 class=\"wp-block-heading\"><strong>Quin grau IP \u00e9s recomanable (i per qu\u00e8 no sempre n&#8217;hi ha prou)<\/strong><\/h2>\n\n<p class=\"wp-block-paragraph\">En plantes de tractament d&#8217;aig\u00fces, el m\u00e9s habitual \u00e9s treballar amb graus de protecci\u00f3 IP65 o IP66 com a m\u00ednim, especialment en sales de proc\u00e9s, zones de dosificaci\u00f3 qu\u00edmica o ubicacions exposades a rentats amb m\u00e0nega. En punts amb m\u00e9s risc de projecci\u00f3 d&#8217;aigua a pressi\u00f3, o quan la instal\u00b7laci\u00f3 \u00e9s a la intemp\u00e8rie, pot ser necessari valorar un IP66 o superior. <\/p>\n\n<p class=\"wp-block-paragraph\">Ara b\u00e9, el grau IP nom\u00e9s certifica l&#8217;estanquitat davant de s\u00f2lids i l\u00edquids: no diu res sobre la resist\u00e8ncia del material davant la corrosi\u00f3 qu\u00edmica. Un armari amb un IP66 fabricat en un material inadequat pot mantenir l&#8217;estanquitat i, tot i aix\u00ed, deteriorar-se per dins o per fora a causa del clor o la salinitat. Especificar nom\u00e9s per IP, sense tenir en compte el material, \u00e9s un dels errors m\u00e9s freq\u00fcents en aquest tipus de projectes.  <\/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:45;margin-bottom:45\"\/>\n\n<h2 class=\"wp-block-heading\"><strong>Per qu\u00e8 l&#8217;acer inoxidable \u00e9s l&#8217;opci\u00f3 habitual en aquest sector<\/strong><\/h2>\n\n<p class=\"wp-block-paragraph\">En entorns amb pres\u00e8ncia constant de clor, humitat i, si escau, salinitat, els <a href=\"https:\/\/volthree.com\/ca\/quadres-electrics-acer-inoxidable-la-decisio-que-evita-problemes-en-entorns-industrials-exigents\/\">armaris el\u00e8ctrics d&#8217;acer inoxidable<\/a> s&#8217;han consolidat com la soluci\u00f3 de refer\u00e8ncia davant els armaris d&#8217;acer pintat o revestit. La resist\u00e8ncia a la corrosi\u00f3 de l&#8217;acer inoxidable no dep\u00e8n d&#8217;un revestiment superficial que es pugui malmetre amb el temps, sin\u00f3 que \u00e9s una propietat del mateix material, cosa que redueix el risc de fallada per desgast de l&#8217;acabat en instal\u00b7lacions on la neteja i l&#8217;exposici\u00f3 qu\u00edmica s\u00f3n constants. <\/p>\n\n<p class=\"wp-block-paragraph\">Aix\u00f2 no vol dir que l&#8217;acer inoxidable sigui la resposta autom\u00e0tica per a qualsevol punt de la planta: en zones menys exposades pot no ser necessari. Per\u00f2 en sales de dosificaci\u00f3 qu\u00edmica, zones de tractament amb clor o instal\u00b7lacions costaneres, sol ser l&#8217;opci\u00f3 que evita problemes a mitj\u00e0 termini. <\/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:43;margin-bottom:43\"\/>\n\n<h2 class=\"wp-block-heading\"><strong>Ventilaci\u00f3 i climatitzaci\u00f3 vs. estanquitat total: el dilema t\u00e8cnic real<\/strong><\/h2>\n\n<p class=\"wp-block-paragraph\">Un dels reptes habituals en el disseny de quadres el\u00e8ctrics per a plantes de tractament d&#8217;aig\u00fces \u00e9s equilibrar dues necessitats que, en principi, estiren en direccions oposades: mantenir una estanquitat alta davant l&#8217;entorn exterior, i dissipar la calor que generen els mateixos components el\u00e8ctrics allotjats dins l&#8217;armari.<\/p>\n\n<p class=\"wp-block-paragraph\">Un armari completament estanc sense cap sistema de gesti\u00f3 t\u00e8rmica pot acumular calor i afavorir la condensaci\u00f3 interna, especialment si hi ha salts de temperatura entre el dia i la nit. La soluci\u00f3 no passa per sacrificar l&#8217;estanquitat, sin\u00f3 per incorporar<a href=\"https:\/\/volthree.com\/ca\/categoria-producte\/sistemes-de-climatitzacio\/\"> sistemes de climatitzaci\u00f3 adequats<\/a> (ventilaci\u00f3 filtrada, intercanviadors o climatitzadors compactes, segons el cas) que permetin gestionar la temperatura interna sense comprometre el grau de protecci\u00f3 de l&#8217;envolupant. <\/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:41;margin-bottom:41\"\/>\n\n<h2 class=\"wp-block-heading\"><strong>Qu\u00e8 cal tenir en compte abans d&#8217;especificar l&#8217;armari<\/strong><\/h2>\n\n<ul class=\"wp-block-list\">\n<li>El grau IP necessari segons la ubicaci\u00f3 exacta dins la planta (sala de proc\u00e9s, exterior, zona de dosificaci\u00f3 qu\u00edmica)<\/li>\n\n\n\n<li>El nivell d&#8217;exposici\u00f3 a clor, \u00e0cids o altres agents qu\u00edmics del proc\u00e9s<\/li>\n\n\n\n<li>Si hi ha risc de salinitat per proximitat a la costa<\/li>\n\n\n\n<li>La necessitat de gesti\u00f3 t\u00e8rmica interna sense perdre estanquitat<\/li>\n\n\n\n<li>La <a href=\"https:\/\/volthree.com\/ca\/categoria-producte\/caixes-i-armaris-murals-dhigiene-augmentada\/\">facilitat de neteja i manteniment <\/a>a llarg termini del material triat<\/li>\n<\/ul>\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:43;margin-bottom:43\"\/>\n\n<h2 class=\"wp-block-heading\"><strong>Preguntes freq\u00fcents sobre armaris el\u00e8ctrics en tractament d&#8217;aig\u00fces<\/strong><\/h2>\n\n<h3 class=\"wp-block-heading\"><strong>Quin IP necessita un armari el\u00e8ctric en una EDAR?<\/strong><\/h3>\n\n<p class=\"wp-block-paragraph\">Dep\u00e8n de la ubicaci\u00f3 exacta, per\u00f2 el m\u00e9s habitual \u00e9s partir d&#8217;un IP65 en zones de proc\u00e9s i valorar un IP66 en punts amb rentat a pressi\u00f3 o exposici\u00f3 a la intemp\u00e8rie.<\/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:39;margin-bottom:39\"\/>\n\n<h3 class=\"wp-block-heading\"><strong>\u00c9s obligatori l&#8217;acer inoxidable en plantes de tractament d&#8217;aig\u00fces?<\/strong><\/h3>\n\n<p class=\"wp-block-paragraph\">No \u00e9s obligatori amb car\u00e0cter general, per\u00f2 en zones amb pres\u00e8ncia de clor, humitat constant o salinitat \u00e9s l&#8217;opci\u00f3 que millor evita problemes de corrosi\u00f3 a mitj\u00e0 i llarg termini.<\/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:43;margin-bottom:43\"\/>\n\n<h3 class=\"wp-block-heading\"><strong>Com s&#8217;evita la condensaci\u00f3 interna en aquests armaris?<\/strong><\/h3>\n\n<p class=\"wp-block-paragraph\">Incorporant sistemes de climatitzaci\u00f3 adequats, ventilaci\u00f3 filtrada, resist\u00e8ncies antihumitat o climatitzadors, que gestionin la temperatura interna sense renunciar a l&#8217;estanquitat de l&#8217;envolupant.<\/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:43;margin-bottom:43\"\/>\n\n<h3 class=\"wp-block-heading\"><strong>Un IP alt substitueix la necessitat d&#8217;acer inoxidable?<\/strong><\/h3>\n\n<p class=\"wp-block-paragraph\">No. El grau IP certifica l&#8217;estanquitat davant de s\u00f2lids i l\u00edquids, per\u00f2 no protegeix davant la corrosi\u00f3 qu\u00edmica. Tots dos factors (IP i material) s&#8217;han d&#8217;especificar de manera independent.  <\/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:39;margin-bottom:39\"\/>\n\n<p class=\"wp-block-paragraph\">A Volthree distribu\u00efm envolupants d&#8217;acer inoxidable pensades per adaptar-se a les exig\u00e8ncies reals de cada punt de la instal\u00b7laci\u00f3, incloses les plantes de tractament d&#8217;aig\u00fces. Si necessites ajuda per especificar l&#8217;armari adequat al teu projecte, <a href=\"https:\/\/volthree.com\/ca\/contacte\/\">contacta amb el nostre equip.<\/a> <\/p>\n","protected":false},"excerpt":{"rendered":"<p>Una estaci\u00f3 depuradora d&#8217;aig\u00fces residuals (EDAR) o una planta de tractament d&#8217;aigua potable (ETAP) no \u00e9s un entorn industrial qualsevol. Clor, humitat permanent, condensaci\u00f3, en molts casos salinitat si la planta \u00e9s a prop de la costa, i cicles de neteja freq\u00fcents conviuen en un mateix espai amb quadres el\u00e8ctrics que no es poden permetre cap fallada. <\/p>\n","protected":false},"author":1,"featured_media":4146,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[46],"tags":[],"class_list":["post-4147","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 v28.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Armaris El\u00e8ctrics per a Plantes de Tractament d&#039;Aig\u00fces I Volthree<\/title>\n<meta name=\"description\" content=\"Clor, humitat i salinitat posen a prova qualsevol envolupant. 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