推荐回答(1个)
在我们的生活中,排水管可以说是无处不在,有非常大的用处。排水管主要承担雨水、污水、农田灌溉等排水的任务。选择一个材质较好又适合的排水管可不是一件简单的事,排水管的产品技术、性能特点各有各的不同,因此,小编今天就带大家一起来了解排水管,并且展示排水管的常用尺寸,下面就是小编汇总的排水管。
排水管尺寸分类介绍
一般常见的下水管尺寸:
主下水管一般采用的尺寸:90mm、110mm
地漏下水管一般采用的尺寸:50mm
PVC下水管一般采用的尺寸:50mm,110mm
排水管有哪些优点
1、pvc排水管的表面硬度和抗拉强度优异,且管道安全系数极高。
2、pvc排水管的抗老化性好,通常它的正常使用寿命可达50年以上。
3、pvc排水管对无机酸、碱、盐类等物质有着非常优良的耐腐蚀性能,所以较适用于工业污水排放及输送。
4、pvc排水管摩阻系数小,水流顺畅,不易堵塞,养护工作量少,且氧指数高,具有自熄性。
5、pvc排水管道线膨胀系数小,为0.07mm/℃,受温度影响变形量小。导 热系数和弹性模量小,抗冰冻性优异。
6、pvc排水管连接可用粘接方法,施工简单,操作方便,安装效率高。
如何挑选合适的排水管?
家庭用水龙头的款式和材质是千变万化,但是其和管子连接的丝扣部分都是按照4分、6分、1寸等大小来分的。不必担心买错。
另外记住管道都是以内径计算的,不过管道的丝扣螺纹都是以中径来计算的,用通径DN表示,螺纹分公制M和英制G,管道螺纹一般用英制,螺纹角度为55度。公制是60度。
卫生间排水管规格
卫生间排水管尺寸下水管规格内径为100mm—3000mm,长度为30mm—200mm。卫生间只要不是大便器都用DN50,大便器及大便器以后的管道采用DN100。下水管,厨房跟卫生间的污废水不能弄到一起排,厨房洗碗盆用DN50,地漏用DN50,合到一起的时候用DN75。
与马桶相连的排水管应是DN110。而其中独特的双波纹结构有效的提高了产品的外压强度,排水系统不会受外界压力变形而影响排水效果
相信大家通过小编对排水管的基本情况尺寸以及如何挑选都有了一定的了解了。在此小编还要再提醒一句,一定要根据实际情况问清楚规格尺寸,不要只凭主观想象来选择呀。排水管不仅广泛用于花园等,在我们的家中也有许多应用之处,水龙头等地是少不了它的。所以小编希望大家通过阅读本文能获得排水管的知识,能够使你更了解它更好的挑选。
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