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Standard uPVC pipe size table

U.PVC plastic pipe is one of the high-end plastic pipe lines, widely used and popular in large and small construction projects today. Accordingly, in addition to price and quality, the size of uPVC pipe is also a major concern of many investors. To answer this question in detail, please learn through the content of the article below.

3 basic terms about standard u.PVC pipe sizes

Understanding and mastering the basic information about uPVC pipe sizes will help you easily choose the right product for the project, safe and achieve optimal performance during use.

Nominal diameter (DN)

DN is the abbreviation for Diameter Norminal - the name of the nominal diameter (also known as the nominal diameter). This diameter is not the actual size of the plastic pipe, but only a rounded index, or an approximation of the standard size, ensuring more convenient exchange at work. 

For example: DN20, DN25, DN40, DN60,… In which, the standard size of DN20 is 3/4 in, equivalent to Ø27mm.

Standard size of u.PVC plastic pipe

Outside diameter (OD)

OD is the abbreviation of Outside Diameter - the outside diameter. In contrast to DN, OD is the exact size of the plastic pipe diameter, used to calculate, balance and design the most accurate system when installing.

Maximum pressure (PN)

PN is the abbreviation of Pressure Nominal - the maximum pressure that uPVC plastic pipe can withstand during operation at a temperature of 20 degrees Celsius, also known as nominal pressure with the unit of measurement being "bar". Accordingly, for plastic pipes with PN6 index, meaning the maximum pressure index that the pipe can withstand and operate continuously at 20 degrees Celsius will be 6 bar, equivalent to 6.12 kg/cm2.

The maximum pressure of u.PVC plastic pipes depends on each project

Table of technical parameters and sizes of uPVC pipes

Below is the most detailed updated table of uPVC plastic pipe sizes you can refer to and consider choosing:

Size Pressure (PN)
u.PVC Co u.PVC C1 u.PVC C2 u.PVC C3 u.PVC C4
DN21 10.0 12.5 16.0 25.0  
DN27 10.0 12.5 16.0 25.0  
DN34 8.0 10.0 10.0 16.0 25.0
DN42 6.0 8.0 10.0 12.5 16.0
DN48 6.0 8.0 8.0 12.5 16.0
DN60 5.0 6.0 8.0 10.0 12.5
DN75 5.0 6.0 6.0 10.0 12.5
DN90 4.0 5.0 6.0 8.0 10.0
DN110 4.0 5.0 6.0 8.0 10.0
DN125 4.0 5.0 6.0 8.0 10.0
DN140 4.0 5.0 6.0 8.0 10.0
DN160 4.0 5.0 6.0 8.0 10.0

Note: The size of uPVC pipes can be flexibly designed for each project, ensuring optimal functionality, as well as the requirements of investors. Therefore, to order u.PVC pipes with standard sizes, suitable for the purpose of use, please contact the hotline 0868806088 immediately for the most detailed advice and support.

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