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塑料電磁閥的基本分類
 

　　塑料電磁閥分為：防爆和非防爆，連接尺寸有法蘭、粘接、螺紋等。流體溫度：≤50℃、≤180℃，通徑：DN1.2-
DN80．螺紋防腐電磁閥是用工程塑料PVC、 CPVC、UPVC、ABS或聚四氟制造。密封件，適宜飲用水、各類未經處理的污水、雨水、海水及各種酸堿鹽溶液、有機溶劑等。流體與金屬隔絕防腐；無易損膜片；零泄漏；大流量；超大先導孔防顆粒雜質堵塞。
　　CPVC電磁閥樹脂由聚氯乙烯（PVC）樹脂氯化改性制得，是一種新型工程塑料。該產品為白色或淡黃色無味、無臭、無毒的疏松顆粒和粉末。PVC樹脂經過氯化后，分子鍵的不規則性增加，使樹脂的溶解性增大，化學穩定性增加，從而提高了材料的耐熱性、耐酸、堿、鹽、氧化劑等的腐蝕。提高了樹值的熱變形溫度的機械性能，氯含量由56.7%提高到63-69%，維卡軟化溫度由72-82℃，（提高到90-125℃），高溫度可達110℃，長期溫度為95℃.適用于酸洗、酸堿、洗滌劑、印染、造紙廢液、次氯酸鈉溶液。

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