Il tubo PE può essere cotto dal fuoco?

2025-08-19

Nella moderna costruzione idraulica e municipale, i tubi in PE sono ampiamente utilizzati per la loro eccellente resistenza alla corrosione, flessibilità ed economia. Tuttavia, se i tubi in PE possono essere cotti al fuoco durante la costruzione o l'uso è una preoccupazione per molti utenti. I tubi in PE

PE sono principalmente realizzati in polietilene, che è una resina termoplastica con una buona resistenza al calore, ma questa resistenza al calore rientra in un determinato intervallo di temperatura. Di solito, l'intervallo di temperatura consigliato per i tubi in PE è compreso tra -20 ° C e 40 ° C. Quando la temperatura è troppo alta, il materiale in polietilene subirà una deformazione termica e le sue proprietà fisiche e meccaniche come resistenza alla trazione, rigidità, ecc. diminuiranno bruscamente.

Se i tubi in PE sono cotti al fuoco, anche una breve temperatura di contatto elevata può causare ammorbidimento, deformazione e persino fusione, ecc. Ciò non solo distruggerà l'integrità strutturale del tubo, ne influenzerà la durata, ma causerà anche rischi per la sicurezza come perdite d'acqua nell'uso successivo. Soprattutto in alcuni sistemi di tubazioni che devono resistere alla pressione, la capacità portante in pressione dei tubi in PE che sono stati cotti dal fuoco sarà notevolmente ridotta e ci sono grandi rischi per la sicurezza.

AD Pipe Come impresa professionale di produzione di tubi, i tubi in PE prodotti seguono rigorosamente gli standard nazionali per garantire la sicurezza e l'affidabilità dei prodotti in normali condizioni d'uso. Nel processo di installazione e connessione dei tubi in PE, è necessario utilizzare la tecnologia professionale di connessione hot melt o di connessione per elettrofusione. Questi metodi possono garantire la tenuta e la resistenza del collegamento del tubo, piuttosto che essere trattati con mezzi irregolari come la cottura al fuoco.

L'uso corretto dei tubi in PE dovrebbe evitare di esporli a fiamme aperte o in ambienti ad alta temperatura. Nel processo di costruzione, se il tubo del PE deve essere piegato ed altre operazioni, dovrebbe essere effettuato alla temperatura ambiente facendo uso della sua propria buona flessibilità, o con l'aiuto degli strumenti e delle attrezzature speciali, secondo il processo standard.

In breve, il tubo del PE non può essere cotto da fuoco. Per assicurare il funzionamento sicuro e stabile del sistema della conduttura, è raccomandato per scegliere i prodotti regolari del tubo del PE di marca quale il tubo di AD ed installarlo ed usarlo nell'accordo rigoroso con il manuale del prodotto e le specifiche di costruzione pertinenti per impedire tutto il funzionamento improprio che può pregiudicare la prestazione del tubo.


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