18

Cast iron drainage pipe - norwards.com

  • Upload
    others

  • View
    7

  • Download
    1

Embed Size (px)

Citation preview

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