{"id":2488,"date":"2010-10-04T10:13:49","date_gmt":"2010-10-04T08:13:49","guid":{"rendered":"https:\/\/www.tempco.it\/blog\/?p=2488"},"modified":"2023-03-16T14:21:16","modified_gmt":"2023-03-16T13:21:16","slug":"explosion-proof-e-termostatazione","status":"publish","type":"post","link":"https:\/\/www.tempco.it\/blog\/2488\/explosion-proof-e-termostatazione\/","title":{"rendered":"Explosion proof e termostatazione"},"content":{"rendered":"<p style=\"text-align: left;\">In ambiente chimico, farmaceutico, petrolchimico, oil &amp; gas, ci si ritrova molto spesso a dover fare i conti con ambienti aventi atmosfera potenzialmente esplosiva, quindi a dover operare in zone classificate <a href=\"http:\/\/it.wikipedia.org\/wiki\/ATEX\">ATEX<\/a>.<\/p>\n<p style=\"text-align: center;\"><a href=\"https:\/\/www.tempco.it\/blog\/wp-content\/uploads\/2010\/10\/atex_2.jpg\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-full wp-image-2491\" title=\"atex\" src=\"https:\/\/www.tempco.it\/blog\/wp-content\/uploads\/2010\/10\/atex_2.jpg\" alt=\"\" width=\"104\" height=\"104\" \/><\/a><\/p>\n<p style=\"text-align: left;\">Non voglio in questa sede entrare nel merito delle varie categorie e zone, che rispondono a normative ben precise, che ne sanciscono i diversi gradi di &#8220;esplosivit\u00e0&#8221; o meglio &#8220;rischio di esplosivit\u00e0&#8221;, ma semplicemente sottolineare come la <strong>costruzione di apparecchiature che devono essere installate in queste zone, devono essere realizzate in modo particolare<\/strong>.<\/p>\n<p style=\"text-align: left;\">Nello specifico essendo il nostro mestiere, mi riferisco a <a href=\"https:\/\/www.tempco.it\/soluzioni\/centraline-di-termoregolazione\/\" target=\"_blank\" rel=\"noopener\">centraline di termostatazione\/termoregolazione<\/a><\/p>\n<p style=\"text-align: center;\"><a href=\"https:\/\/www.tempco.it\/blog\/wp-content\/uploads\/2010\/10\/TCPUHCATEX_1.jpg\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-thumbnail wp-image-2493\" title=\"TCPUHC ATEX thermoregulating unit atex for Pharma application\" src=\"https:\/\/www.tempco.it\/blog\/wp-content\/uploads\/2010\/10\/TCPUHCATEX_1-150x150.jpg\" alt=\"\" width=\"150\" height=\"150\" \/><\/a><\/p>\n<p style=\"text-align: left;\"><!--more-->Prima di intraprendere il progetto di una apparecchiatura che dovr\u00e0 essere installata <em>genericamente <\/em>in zona ATEX, bisogna chiarire in modo univoco l&#8217;esatta classificazione dell&#8217;area dove verr\u00e0 appunto installata.<\/p>\n<p style=\"text-align: center;\"><a href=\"https:\/\/www.tempco.it\/blog\/wp-content\/uploads\/2010\/10\/2010-085-LAY-rev.jpg\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-thumbnail wp-image-2509\" title=\"TCPUHC project drawing\" src=\"https:\/\/www.tempco.it\/blog\/wp-content\/uploads\/2010\/10\/2010-085-LAY-rev-150x150.jpg\" alt=\"\" width=\"150\" height=\"150\" \/><\/a><\/p>\n<p style=\"text-align: left;\">Da questa classificazione, si stabilir\u00e0 la categoria di appartenenza della centralina di termoregolazione ed in cascata dei vari componenti che la costituiscono:<\/p>\n<ul style=\"text-align: left;\">\n<li>pompe<\/li>\n<li>motori<\/li>\n<li>strumenti<\/li>\n<li>valvole<\/li>\n<li><a href=\"https:\/\/www.tempco.it\/soluzioni\/scambiatori-di-calore\/\" target=\"_blank\" rel=\"noopener\">scambiatori<\/a><\/li>\n<li style=\"text-align: left;\">serbatoi<\/li>\n<\/ul>\n<p style=\"text-align: center;\"><a href=\"https:\/\/www.tempco.it\/blog\/wp-content\/uploads\/2010\/10\/atex-zone.jpg\"><img decoding=\"async\" loading=\"lazy\" class=\"size-thumbnail wp-image-2496 aligncenter\" title=\"classificazione zona atex\" src=\"https:\/\/www.tempco.it\/blog\/wp-content\/uploads\/2010\/10\/atex-zone-150x150.jpg\" alt=\"\" width=\"150\" height=\"150\" \/><\/a><\/p>\n<p>Questa classificazione dipende dalla tipologia di fluidi o polveri che vengono trattati\/lavorati nella zona di installazione, di seguito trovate un estratto dal documento messo a disposizione dal sito <a href=\"https:\/\/www.tempco.it\/blog\/wp-content\/uploads\/2010\/10\/Guida-ATEX.pdf\">ISPESL<\/a>.<\/p>\n<p style=\"text-align: center;\"><a href=\"https:\/\/www.tempco.it\/blog\/wp-content\/uploads\/2010\/10\/Pagine-da-GuidaATEX-ISPESL.jpg\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-thumbnail wp-image-2499\" title=\"caratteristiche delle sostanze infiammabili\" src=\"https:\/\/www.tempco.it\/blog\/wp-content\/uploads\/2010\/10\/Pagine-da-GuidaATEX-ISPESL-150x150.jpg\" alt=\"\" width=\"150\" height=\"150\" \/><\/a><\/p>\n<p style=\"text-align: left;\">Una volta definiti questi &#8220;parametri&#8221;, si passa alla progettazione e quindi alla realizzazione dell&#8217;apparecchiatura, selezionando i corretti componenti per l&#8217;area di destinazione.<\/p>\n<p style=\"text-align: left;\">Un aspetto da non perdere di vista \u00e8 la realizzazione elettrica, infatti a seconda della zona di installazione e del tipo di attuazione elettrica, potenza, comando o segnale, si dovranno rispettare delle prescrizioni di costruzione e cablaggio ben definite. In linea di massima e per semplificare in questa sede, possiamo dire che la costruzione si divide in due grandi famiglie:<\/p>\n<ul>\n<li>EXI a sicurezza intrinseca<\/li>\n<li>EXD explosion proof<\/li>\n<\/ul>\n<p style=\"text-align: left;\">nelle fotografie che seguono si vedono i due diversi sistemi.<\/p>\n<p style=\"text-align: center;\"><a href=\"https:\/\/www.tempco.it\/blog\/wp-content\/uploads\/2010\/10\/TCPUHC-EXI-JUNCTION-BOX.jpg\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-thumbnail wp-image-2492\" title=\"TCPUHC EXI JUNCTION BOX\" src=\"https:\/\/www.tempco.it\/blog\/wp-content\/uploads\/2010\/10\/TCPUHC-EXI-JUNCTION-BOX-150x150.jpg\" alt=\"\" width=\"150\" height=\"150\" \/><\/a><\/p>\n<p style=\"text-align: center;\"><a href=\"https:\/\/www.tempco.it\/blog\/wp-content\/uploads\/2010\/10\/TCPUHC-EXD-JUNCTION-BOX.jpg\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-thumbnail wp-image-2503\" title=\"TCPUHC EXD JUNCTION BOX\" src=\"https:\/\/www.tempco.it\/blog\/wp-content\/uploads\/2010\/10\/TCPUHC-EXD-JUNCTION-BOX-150x150.jpg\" alt=\"\" width=\"150\" height=\"150\" \/><\/a><\/p>\n<p style=\"text-align: left;\">Ovviamente esistono macchine pi\u00f9 complesse e pi\u00f9 semplici, ma in ogni caso lo studio preliminare da affrontare identico.<\/p>\n<p style=\"text-align: center;\"><a href=\"https:\/\/www.tempco.it\/blog\/wp-content\/uploads\/2010\/10\/tcpuh-atex-steam-water.jpg\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-thumbnail wp-image-2506\" title=\"tcpuh atex steam-water\" src=\"https:\/\/www.tempco.it\/blog\/wp-content\/uploads\/2010\/10\/tcpuh-atex-steam-water-150x150.jpg\" alt=\"\" width=\"150\" height=\"150\" \/><\/a><\/p>\n<p style=\"text-align: center;\"><a href=\"https:\/\/www.tempco.it\/blog\/wp-content\/uploads\/2010\/10\/tcpuhc-atex_2.jpg\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-thumbnail wp-image-2507\" title=\"tcpuhc atex_2\" src=\"https:\/\/www.tempco.it\/blog\/wp-content\/uploads\/2010\/10\/tcpuhc-atex_2-150x150.jpg\" alt=\"\" width=\"150\" height=\"150\" \/><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>In ambiente chimico, farmaceutico, petrolchimico, oil &amp; gas, ci si ritrova molto spesso a dover fare i conti con ambienti [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[53,3,15,35],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.5 - 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