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Polyethylene – an overview
Polyethylene pipe
The demand for polyethylene products has drastically increased in recent times, due to polyethylene’s unique properties. Polyethylene’s, especially HDPE's, chemical stability makes this material ideally suitable for use in various applications such as the packaging, piping, and container industries.
Commonly found household articles produced from polyethylene can range form the packaging for common household cleaning chemicals to the use of polyethylene as milk bottles. The packaging industry is not the only industry that has realized the potential of Polyethylene. Since World War II, the piping industry discovered a multitude of advantages and applications for this versatile material.
The South African Bureau of Standards (SABS) has divided the types of polyethylene pipes into four classes, according to material and pressure rating.
PipeFlo manufactures the following pipes:
Type 1 (I) LDPE Class 3
Type 1 (I) LDPE Class 6
Type 3 (III) HDPE Class 3
Type 3 (III) HDPE Class 6
Type 4 (IV) HDPE Class 6
Type 4 (IV) HDPE Class 10
Type 4 (IV) HDPE Class 12
Type 4 (IV) HDPE Class 16
Type 4 (IV) HDPE Class 20
We also manufacture 125mm - 200mm HDPE PE63, PN6.3-PN16.
The pipe wall thickness of the pipe determines the pressure rating: the lower this rating the thinner the wall. If you need a pipe that can handle a pressre of 6 bars - then choose a class 6 pipe. The class thus indicates the pressure which a pipe can handle. PipeFlo pipes is non-SABS approved, but are manufactured according to SABS tolerances. These pipes are usually available in 100m lengths, but we can also manufacture the pipes to suit your needs.
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"pressure determines the pipe class" |
Protective binding such as the strapping should not be removed until the pipe is required for use. Don’t throw the pipes or drag it over rough surfaces. Remove pipe sections, which have been cut or gouged to a depth of more than about 10% of the pipe wall thickness. PipeFlo's drivers are familiar with the on and off-loading of pipes.
Note: In an effort to compile the best possible guide, we combined various sources with our expert knowledge in regard to Polyethylene pipes.
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