Cast iron drainage pipe
first choice for high-end buildings
The cast iron drainage pipe system in the French Versaille has been working since 1644.
Under Australian law, buildings of more than 3 stories must use cast iron drainage pipe
Thermal expansion and contraction is the connectivity of all kinds of drainage pipe, and may cause quality problem. According to the survey PVC heat bilges cold shrink expansion amount is 4.4 times that of copper pipe and 6 times of cast iron pipe.
After Miyagi’s massive earthquake in 1979, the relevant departments of statistics in Japan, they concluded information as the following table.
[Long Lifespan]
[Fire safety]
[Temperature resistance]
[Earthquake resistance]
GuaranteedlifetimeFunctionMaterials
Cast iron pipe 60 years
25 years
For sanitary, drainand vent applications
For sanitary, drainand vent applications
For sanitary, drainand vent applications
Steel pipe
PVC pipe
To ensure the minimum
service life
[Recycleability]
The 100% recycleability of the cast products theeaths’s resources
Melting pointMaterials
Cast iron pipe 1147 C
PVC
Melting Point
192 C
Public buildings like hospital, schools, kindergartens by the law of South Koren, must use cast iron pipe drain systems.
[Noise protection]
NoiseMaterials
Cast iron pipe
Precondition: all pipes are DN100Test Sites: 1 meter from the pipeFlow of sewage: 2.7 L/SNoise: 42 dB
Stretching rateMaterials
Cast iron pipe 0.0117
0.01596Steel pipeStreaching rate
(mm/(m.k))
PVC 0.07
Damage rate inthe Earthquake %Materials
Cast iron pipe 0.04
46.5 dB
58 dB
1.24Steel pipeDamage rate inthe earthquake
PVC 0.14
PVC pipe