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  • PE管厂家浅析优质PE给水管与低品质PE管的识别方法
  • 本站编辑:杭州康美塑化有限公司发布日期:2019-11-11 20:59 浏览次数:

PE管厂家浅析优质PE给水管与低品质PE管的识别方法

The identification method of high quality PE water supply pipe and low quality PE pipe

PE管是聚乙烯制管,多为黑色管道,仅仅从外观上去识别质量的好坏是比较困难的。什么样的PE管是质量好的,什么样的管材又是低品质的?如何分辨PE管的好坏呢?劣质管是不是不利于饮水的安全呢?一起看看雨洪实业为大家总结的内容吧;

PE pipe is made of polyethylene, mostly black. It is difficult to identify the quality only from the appearance. What kind of PE pipe is of good quality and what kind of pipe is of low quality? How to distinguish the quality of PE pipe? Is the poor pipe not conducive to the safety of drinking water? Let's take a look at what Yuhong industry summarized for you;

随着对PE管需求量的不断增加,市场上的回料PE管也多了起来。这类管材在耐腐上、韧性强度以及使用寿命上大大的较低了。PE管多用于给水管,统称为pe给水管,对于一些重点水利工程或者市政给水工程使用的pe给水管都为地下埋管,一旦使用了低品质pe管,将给人们未来的生产生活带来重大隐患,因此,学会识别PE管的质量是非常重要的。

With the increasing demand for PE pipes, there are more PE pipes in the market. This kind of pipe is greatly lower in corrosion resistance, toughness strength and service life. PE pipes are mostly used for water supply pipes, collectively referred to as PE water supply pipes. For some key water conservancy projects or municipal water supply projects, PE water supply pipes are buried underground pipes. Once low-quality PE pipes are used, it will bring great hidden danger to people's future production and life. Therefore, it is very important to learn to identify the quality of PE pipes.

(1)PE管外观:

(1) appearance of PE pipe:

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优质管外观上光滑,无气泡、凹陷、杂质等缺陷。

The high-quality tube is smooth in appearance and free of bubble, depression, impurity and other defects.

低品质:内外表面粗糙、有气泡、有麻点,有明显凹陷。

Low quality: rough internal and external surfaces, with bubbles, pockmarks and obvious depressions.

(2)管道焊口

(2) pipe welded junction

焊口也叫焊接接头,合格的焊接接头应光滑和对称,优质的PE管焊口:翻边的整个圆周管道,不得低于低翻边深度和交错边的宽度在pe管焊口焊缝附近的翻边不得超过管道的10%的壁厚,且翻边平整光滑。

Welded joint is also called welded joint. Qualified welded joint shall be smooth and symmetrical. High quality PE pipe welded joint: the whole circumference pipe with flanging shall not be less than the minimum flanging depth and the width of staggered edge. The flanging near the weld joint of PE pipe shall not be more than 10% of the wall thickness of the pipe, and the flanging shall be flat and smooth.

低品质PE管:翻边后,表面会产生大量的孔洞,翻边短。

Low quality PE pipe: after flanging, there will be a lot of holes on the surface, and flanging is short.

(3)闻味道

(3) smell

优质PE管:没有气味。

High quality PE pipe: no smell.

低品质:刺鼻的气味。

Low quality: pungent smell.

(4)PE管的铣削条带

(4) milling strip of PE pipe

优质PE管:亮油,平整,反复折叠不易断裂。

High quality PE pipe: bright oil, flat, repeatedly folded and not easy to break.

低品质:颜色较深,容易折断。

Low quality: darker color, easy to break.

(5)断裂伸长率(参考PE管检验报告)

(5) elongation at break (refer to PE pipe inspection report)

优质管:断裂伸长率是拉伸时试样的长度与原长度之比。优质的PE管拉伸至3.5次不断裂,断裂伸长率越高,产品的柔韧性和性能越好。

High quality pipe: the elongation at break is the ratio of the length of the sample to the original length when drawing. High quality PE pipe is not broken 3.5 times. The higher the elongation at break, the better the flexibility and performance of the product.

低品质:易断,韧性差。

Low quality: easy to break, poor toughness.

(6)燃烧观察PE管火焰

(6) combustion observation PE tube flame

PE管为聚乙烯制品,优质的PE管燃烧后火焰呈蓝色。

PE pipe is made of polyethylene. The flame of high-quality PE pipe is blue after combustion.

低品质:燃烧后产生大量的黑烟,可能是参杂着大量的回收料。

Low quality: a large amount of black smoke is produced after combustion, which may be mixed with a large number of recycled materials.

杭州康美塑化有限公司专注pe管厂家,产品有pe管材,pe给水管,衬塑钢管,虹吸排水管,内肋增强聚乙烯螺旋波纹管,HDPE塑钢缠绕管,钢丝网骨架复合管,304不锈钢管,pp超静音排水管,hdpe缠绕管,pert管等产品

Hangzhou Kangmei plastic & Chemical Co., Ltd. focuses on PE pipe manufacturers. Its products include PE pipe, PE water supply pipe, plastic lined steel pipe, siphon drainage pipe, inner rib reinforced polyethylene spiral corrugated pipe, HDPE plastic steel winding pipe, steel mesh skeleton composite pipe, 304 stainless steel pipe, PP ultra quiet drainage pipe, HDPE winding pipe, PERT pipe, etc