Stormwater
Plastic pipe systems offer major advantages over traditional materials for stormwater applications including corrosion resistance, installation economics, operating efficiencies and reductions in maintenance costs. Iplex’s PVC-U stormwater system from DN75 through to DN375 provides a complete pipe and fittings range for stormwater disposal.
Material Properties
The mechanical properties are for PVC-U at 20°C
| Property | Value & Unit |
| Density (Specific Gravity) | 1.47 |
| Ultimate tensile strength | 52MPa |
| Yield Strain | 5.50% |
| Compressive strength | 66MPa |
| Tensile Modulus | 2750MPa |
| Hardness Shore D | 85 |
| Poissons Ratio | 0.38 |
| Ring Bending Modulus - 3 min | 3200MPa |
| Ring Bending Modulus - 50 yrs | 1400Mpa |
| Property | Value & Unit |
| Coefficient of Thermal Expansion | 7 x 105/°C |
| Thermal Conductivity | 0.138W/m.K |
| Specific Heat | 1047 J/kg/°C |
| Vicat Softening Temperature | 75°C |
Typical Fire Resistance Properties
| Property | Value & Unit |
| Flammability | Will not support combustion |
| Fire Index - Ignitability | 8 |
| Fire Index - Smoke Developed | 8 |
| Fire Index - Spread of Flame | 0 |
| Fire Index - Heat Evolved | 1 |
PVC-U pipes have high resistance to a wide range of chemical reagents. Such resistance, however, is a function of temperature, concentration and pressure.
In general, PVC-U is suitable to convey strong acids, alkalis and aqueous solutions (except those which are strongly oxidising), aliphatic hydrocarbons, fluorides, photographic and plating solutions, brine, mineral oils, fats and alcohols. The suitability of a pipeline for conveying a certain chemical will depend on such factors as the concentration of the chemical in the fluid to be conveyed, temperature, flow rate, the presence of pockets or “dead spots” in the pipeline and other factors.