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关于冷库中常用的管接头

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关于冷库中常用的管接头

发布日期:2016-08-19 14:24 来源:http://wmyces.com 点击:

    广西仓库出租亚博足彩app在各种冷库工程中,管接头首要用于管径不超越19毫米的软退火紫铜管。管接头有活络管接头和焊接管接头两种。装置活络管接头时,铜管口要先翻出45。喇叭口,接头密封即是靠接头端面压紧喇叭口翻边来坚持的。所以接头不能拧得过紧,避免翻边有些压扁过火,到达永久变形强度而失掉弹性,致使不能起到密封效果。通常以一个人用两把扳手对扳,稍加用力扳紧即可。细钢管也可用管接头,但在接头之间需垫上软合金的密封垫圈。管接头需暴露在隔垫层以外,以便检查漏泄。在装置0℃以下管子的管接头时,在管子与接头的接缝处应涂以厚质的滑油或酚醛磁漆,避免潮气在接缝处凝聚发作锈蚀;管接头帽或拧在配件上的螺纹处可涂以甘油与氧化铅调成的白油以防漏气。

广西仓库出租

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