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Polyurethane Insulation Pipe, Prefabricated Direct Buried Insulati

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Direct buried foam insulation pipe

价格 100.00元/米
total supply
9999 米
MOQ
100 米
brand
15127639777
area
HebeiLangfang City
Delivery period:
Shipped within 3 days from the date of payment by the buyer
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area:Hebei Langfang City

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Dacheng Heating Pipe Insulation and Anti-corrosion Engineering Co

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Product Details
 直埋发泡保温管
聚氨酯直埋管道发泡施工说明
1、直埋保温管道可广泛用于热网、地热、制冷、市政建设、石油等工业部门,保护层加入阻燃剂还可用于架空管道。
2、埋设深度必须保证载重十吨卡车安全通过,为尽可能减少热损失,应敷设在冰线以下,不同地区应根据本地区的不同情况具体处理。
3、管沟开挖尺寸应保证管子之间,管子与沟壁之间留有200-250㎜间隔,以便现场安装及接头处理,沟底用砖土夯实,必要时可用细沙铺垫。
4、直埋管在穿过公路时,其敷设深度不变,只是不回填复土作成管沟的形式,在管沟上铺盖钢筋混凝土板或作混凝土套管处理。
5、管子与管子之间,采用焊接(玻璃钢管连接工艺及试压标准单独设定)管子安装后,进行水压试验(9㎏/cm2)10分钟内降压0.5㎏/cm2为合格,管道焊接与安装时应保持沟底无水,作好接头后充分固化(48小时)才可将管道放入沟底,以免未作好接头处理放入沟底,水浸泡接头部分的管道而降低防水、防腐、保温效果。
6、在安装保温管过程中,可一边安装,一边做接头处理,也可全部安装完毕试压合格后再做接头处理。(1)为了保证接头防水、防腐、保温效果,保证接头现场的条件是非常必要的。(2)接头现场温度,在操作时应保持10℃以上,最低不应低于5℃,故冬季不适宜做接头处理,阴雨天不适宜做接头处理,沟底潮湿、积水不可做接头处理。

 直埋发泡保温管,销售热线,15127639777
 
 
聚氨酯保温管的生产过程    
聚氨酯发泡保温管由于具有恒久的耐腐蚀抗老化的特征,在应用中备受人们的欢迎,故而有着很大的需求市场存在,也因此对于聚氨酯保温管的生产有着很大的生产数额要求。对于聚氨酯保温管的生产加工,需要针对具体用途与结构进行处理。对于有内管和外套管的保温层实施,聚氨酯发泡保温管通常是在两管之间直接灌注发泡浆料,一次成型发泡。      
在实施浇注浆料前,内管和外套管要使用适当的器具使它们保持良好的同心度,下部的密封处理要严密,聚氨酯发泡保温管防止浆料泄漏。根据浆料的流动状态和发泡速度情况,长度较小的保温层可直立浇注,但对大多数长度较大的保温层,钢套钢蒸汽保温管则多采用倾斜方式浇注,以便浆料流动和发泡。根据配方和施工要求,可由上部一侧或由下部注入。天津预制直埋保温当管件较长时,由混合头输出的浆料可经导管引入管间隙的下部,并随着注量的增加,逐渐抽出导管。该法只适用于3mm以下普通套管保温层的制作。      
对于大直径、大长度的套管式管道的保温层施工,由于受到物料配方、生产场所条件等因素的影响,直埋保温管厂家通常采用卧式直接灌注法制备。正所谓具体方法具体应用,聚氨酯保温管的加工只有在有针对性的进行加工处理之下才能够拥有足够高的使用效果,从而保证其引用能够达到令人满意的程度。
 
直埋保温管分类:
1塑套钢保温管:
塑套钢保温管是由高密度聚乙烯外套管、聚氨酯泡沫保温层及内工作钢管紧密结合而成。
2钢套钢保温管:
钢套钢保温管是由外护钢管加钢管防腐、聚氨酯泡沫保温层及内工作钢管组合而成。
 
我厂主要产品有:直埋保温管、聚氨酯保温管、聚氨酯夹克管、高密度聚乙烯外套管、缠绕玻璃钢保温管、钢套钢保温管、聚氨酯保温管(板)壳、高温预制直埋保温管等聚氨酯保温材料,并承揽大中小型保温工程。供应保温管道聚氨酯硬质泡沫管聚氨酯现场发泡 规格广泛应用于电力、石化、冶金、航天、船舶、建筑、机械制造等各个领域
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