In the pipe industry, Double wall PE pipes, also called corrugated, are one of the most used pipes in the industry of water and wastewater PE pipes production which are environmentally friendly.
They are light and easy to use.
HDPE Double Wall Corrugated Pipe Specifications
The main reason to use these types of pipes is their various utilization and the vast and multiple aspects of their usage.
So, it is obvious that they are made to ease the installation and reduce the expenses of the customers simply.
The expanding market of pipes in recent days derived from the ease of access to this material and also how important the usage of this material is.
PE is used in different grades and types to facilitate the process of production as less as possible.
Now that we have access to this material, it is a matter of differences in oxidation index time that have a direct relation to the characteristic of this material.
it is of its use to decide whether to use these pipes instead of steel and concrete pipes but the advantages of these pipes are of utmost importance which in summary are including the environmentally friendly of these pipes and the matter of their installation.
The specifications to mention for HDPE corrugated and double wall pipes are divided into some categories.
The main material for the production of these types of pipes is polyethylene and we first need to tell a summary of the characteristics of polyethylene.
Polyethylene is one of the most recent materials which have affected the world’s industry so every year the rate of its consumption increases annually based on the WTO statistics published in 2024.
Their resistance to the atmospheric bad circumstances and natural hazards which may affect PE pipes, where that is happening to steel and concrete pipes.
HDPE Corrugated Pipe Dimensions
Dimensions in HDPE pipes and especially in corrugated pipes differ from 90 millimeters to 1000 millimeters.
The pressure rating for these HDPE corrugated pipes differs in all dimensions from 4 to 12 sn which SN stands for pressure number.
sn 4 represents 16-kilonewtons traffic and environment pressure.
Also, sn 8 represents 31.5-kilonewtons and the last one is sn 12 which can handle the pressure of 64-kilo newtons.
These pipes are so rigid that they can bear a pressure of up to 64-kilo newtons which is almost the same as steel and concrete pipes which gives them a unique characteristic.
It is also so flexible due to its elongation ratio they can bear according to the test done by standard laboratories.
The dimension of the outer layer of these pipes varies because they might have different profile sizes.
Double-wall Polyethylene Pipe
As the characteristic of the double-wall pipes made of polyethylene, they cover various types and dimensions to satisfy the customer’s needs.
To do so, they vary from the nominal number size of 90 mm to 1000 mm which presents the internal diameter of the pipe and it will exceed as it measures the whole dimension of the pipe.
Not only in the pipelines related to the wastewater and sewerage system, but they also have a vast rule in this industry including replacement of the old bridges and the rainwater drainage in the areas and the shortage of water is more than others.
Double Wall Polyethylene Pipe Sizes
As we talked about double-wall pipes earlier, the sizes and usages of these polyethylene pipes are beyond explanation and they have made a fundamental change in the industry of wastewater and sewerage systems.
Plastics, like anywhere in the industry, especially in developing countries’ economies, have shown their unique rule and their dominance over other contestants in past recent years.
The inner plastic has a smooth surface and can be colored with bright colors like yellow or orange.
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