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求问薄壁不锈钢管安装方法是什么？

求问薄壁不锈钢管安装方法是什么？

浏览：38次 | 提问时间： 07-03 04:15

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亡魂溺海怪我嗔 07-03 04:16

不锈钢给水管可以采用管螺纹联结、法兰联结、焊接等方法。　　传统的螺纹检测方法是利用螺纹量规进行接触或利用万能工具显微镜进行人工测量，工作量大，工作效效率规的低，测量结果易受人为影响。在接触式测量中，螺纹量规易磨损，从而影响测量精度，更换量规的成本也高。另外，在有些工作场合人工难以完成检测工作。为此，需要自动的螺纹检测设备来解决螺纹检测的瓶颈问题，以提高紧固件企业的效益。　　法兰连接就是把两个管道、管件或器材，先各自固定在一个法兰盘上，然后在两个法兰盘之间加上法兰垫，最后用螺栓将两个法兰盘拉紧使其紧密结合起来的一种可拆卸的接头。　　焊接：也称作熔接、镕接，是一种以加热、高温或者高压的方式接合金属或其他热塑性材料如塑料的制造工艺及技术。希望你能满意

你是我再没可能完成的梦 07-03 04:24

1)薄壁不锈钢管材与管件不宜与水泥、水泥沙浆、混凝土直接接触。管道暗敷时，应在管外壁缠绕防腐胶带或采用覆塑薄壁不锈钢管。
2)在暗敷的管道中采用水泥砂浆填补时，应利用保温材料确保水泥砂浆与管子间留有空隙。以使暗敷的管子可自由伸缩。
3)埋地宜选用塑覆薄壁不锈钢(316型)管，可避免对管外壁的酸碱腐蚀或尖硬杂物对管道的损伤。亦可采用其它包扎材料做防腐措施，如外缠两层聚乙烯带或两层氯乙烯带，包扎两层沥青漆(或环氧树脂)、玻璃纤维塑胶布防腐。
4)管道应合理配置伸缩补偿装置与支架(固定支架和活动支架)，以控制管道的伸缩方向或补偿。明敷或非埋设隐敷的热水薄壁不锈钢管的直线段长度超过10～15m时，宜采取管道轴向的补偿措施。当公称直径大于50mm时，宜设置不锈钢波形膨胀节或不锈钢线性温度补偿器。
5)明敷建筑给水薄壁不锈钢管宜采取防结露措施，热水薄壁不锈钢管应保温。
6)管材、管件应由供货商统一供货。不同牌号材质不锈钢之间不宜焊接。
7)管子与管件均为薄壁，与丝口阀门、水咀、水表等附件连接时，不得在薄壁不锈钢管上套丝，而应通过转换接头等丝接配件过渡。
8)油污会使橡胶密封圈变质，尖锐物碰撞管子与管件均会造成漏水，故施工时务必注意。
9)管道安装完、试压合格后，宜用低氯离子水冲洗和0.03%高锰酸钾水溶液消毒。

热情太够 07-03 04:32

一共有四个步骤
1、断管
a.管子用专用切管机或切管器按照施工尺寸切断。
b.用不锈钢管专用锉刀或专用出毛刺器取出切面毛刺。
c.管子的切割面应与管子中心线垂直，管子端部与外表面应光滑平整、清洁、无油污。

2、连接前
a.应确认O型密封圈是否确实安装在正确的位置上，安装时禁止使用润滑油。
b.应将不锈钢水管垂直地插入卡压式管件中，管子插入时不得歪斜，以免O型密封圈割伤或脱落而造成漏水。
c.连接前，管口端部不得有沙粒、杂物，管件管子端部应保持清洁。
d.管口椭圆应校正，不得强行插入。

3、卡压连接
a.使用卡压工具前应仔细阅读说明书。
b.卡压工具不宜有沙粒，压接前应清理干净。
c.卡压工具钳口的凹槽应与管件凸部靠紧，工具的钳口应与管子轴心呈垂直状。开始作业后，凹槽部应咬紧管件，知道产生轻微振动，才可结束卡压连接过程。卡压连接后，应用六角量规检查卡压工序是否完好。
d.若卡压连接不能到位，应将工具送修。卡压不当处，可用正常工具再做卡压，并应再一次用六角量规确认。
4、检验
a.卡压后，应用专用六角量规进行检验卡压连接是否完好。
b.整个管线安装完毕后，应进行试压，试压试验可用水压或气压试验。水压试验压力为工作压力的1.5倍，气压试验压力为工作的1.05倍。

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