{"id":1989,"date":"2009-12-21T12:23:05","date_gmt":"2009-12-21T10:23:05","guid":{"rendered":"https:\/\/www.tempco.it\/blog\/?p=1989"},"modified":"2009-12-21T12:25:17","modified_gmt":"2009-12-21T10:25:17","slug":"freddo-ghiaccio-e-circuiti-idraulici","status":"publish","type":"post","link":"https:\/\/www.tempco.it\/blog\/1989\/freddo-ghiaccio-e-circuiti-idraulici\/","title":{"rendered":"Freddo, ghiaccio e circuiti idraulici"},"content":{"rendered":"

I circuiti idraulici fuori servizio durante la stagione invernale possono essere mantenuti “a secco”, svuotando completamente l’acqua presente nei circuiti.<\/p>\n

Nel caso li si voglia mantenere “umidi”, ovvero pieni di liquido, \u00e8 tassativo l’utilizzo di antigelo.<\/p>\n

\"water<\/a><\/p>\n

<\/p>\n

Bisogna tenere in considerazione che qualsiasi circuito idraulico, anche se svuotato, potrebbe presentare delle sacche dove l’acqua ristagna, di conseguenza in ogni caso \u00e8 preferibile inserire dell’antigelo all’interno, per prevenire eventuali danni inaspettati.<\/p>\n

Ancora pi\u00f9 sensibili al gelo i circuito che rimangono in funzione, soprattutto di impianti che funzionano in free cooling.<\/p>\n

Va infatti tenuta in considerazione l’estrema capacit\u00e0 di raffreddamento di questi scambiatori:
\nil progetto \u00e8 pensato per dare le massime prestazioni nelle stagioni calde o intermedie, di conseguenza, ci si ritrova con scambiatori che in condizioni di freddo, hanno una potenzialit\u00e0 resa effettiva molto elevata, con capacit\u00e0 di raffreddamento che portano al congelamento del liquido interno in pochi minuti.<\/p>\n

\n

\"tipica<\/a>

tipica rottura da ghiaccio di tubazioni di uno scambiatore a pacco alettato per free cooling<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"

I circuiti idraulici fuori servizio durante la stagione invernale possono essere mantenuti “a secco”, svuotando completamente l’acqua presente nei circuiti. 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