Plastics piping systems for buildings for water
The main types of plastic material pipes used in buildings for transporting water depending on the application are as follows:
Conveyance of hot and cold water:
Polypropylene (PP). EN ISO 15874-1, -2, -3, -5
Suitability for use:
- Leaktightness in vacuum conditions.
- Resistance of joints to pressure cycles
- Resistance of joint couplings to temperature cycles
- Resistance to pull-out under constant longitudinal force
- Leaktightness tests method with internal hydraulic pressure for joints subject to flexure
Dimensional:
Physical properties:
- Determination of the melt mass-flow rate (MFR) of thermoplastics.
- Longitudinal reversion. Oven air method.
- Determination of opacity.
Material properties:
Mechanical properties
Cross-linked polyethylene (PE-X). EN ISO 15875-1, -2, -3, -5
Tests:
Suitability for use:
- Leaktightness in vacuum conditions.
- Resistance of joints to pressure cycles
- Resistance of joint couplings to temperature cycles
- Resistance to pull-out under constant longitudinal force
- Leaktightness tests method with internal hydraulic pressure for joints subject to flexure
Dimensional:
Physical properties:
Material properties:
- Determination of chemical composition
- Estimate of the degree of cross-linking through determination of the gel content.
Mechanical properties
Polybutylene (PB). EN ISO 15876-1, -2, -3, -5
Tests:
Suitability for use:
- Leaktightness in vacuum conditions.
- Resistance of joints to pressure cycles
- Resistance of joint couplings to temperature cycles
- Resistance to pull-out under constant longitudinal force
Dimensional:
Physical properties:
- Determination of the melt mass-flow rate (MFR) of thermoplastics.
- Longitudinal reversion. Oven air method.
- Determination of opacity.
Mechanical properties
Chlorinated poly (vinyl chloride) (PVC-C). EN ISO 15877-1, -2, -3, -5
Tests:
Suitability for use:
- Leaktightness in vacuum conditions.
- Resistance of joints to pressure cycles
- Resistance of joint couplings to temperature cycles
- Resistance to pull-out under constant longitudinal force
Dimensional:
Physical properties:
- Longitudinal reversion. Oven air method.
- Vicat softening temperature
- Visually assessing the effects of heating.
- Determination of opacity.
Mechanical properties
- Resistance to internal pressure
- Resistance to external blows. Round-the-clock method.
- Determination of tensile properties.
Multilayer. EN ISO 21003-1, -2, -3, -5
Tests:
Suitability for use:
- Leaktightness in vacuum conditions.
- Resistance of joints to pressure cycles
- Resistance of joint couplings to temperature cycles
- Resistance to pull-out under constant longitudinal force
- Leaktightness tests method with internal hydraulic pressure for joints subject to flexure
- Resistance to corrosión. Ammonia test
Physical properties:
Material properties:
Mechanical properties
Polyethylene of raised temperature resistance (PE-RT). EN ISO 22391-1, -2, -3, -5
Tests:
Suitability for use:
- Leaktightness in vacuum conditions.
- Resistance of joints to pressure cycles
- Resistance of joint couplings to temperature cycles
- Resistance to pull-out under constant longitudinal force
- Leaktightness tests method with internal hydraulic pressure for joints subject to flexure
Dimensional:
Physical properties:
Material properties:
Mechanical properties
Discharge of waste water:
Unplasticized poly (vinyl chloride) (PVC-U). EN 1329-1
Tests:
Suitability for use:
Dimensional:
Physical properties
- Longitudinal reversion. Oven air method.
- Vicat softening temperature
- Visually assessing the effects of heating.
- Dichloromethane resistance at specified temperature (DCMT)
Material properties
Mechanical properties
- Resistance to internal pressure
- Resistance to external blows. Staircase method.
- Resistance to external blows. Round-the-clock method.
- Determination of tensile properties.
Unplasticized poly (vinyl chloride) (PVC-U) (structured wall). EN 1453-1
Tests:
Suitability for use:
Physical properties:
- Determination of processing temperature
- Longitudinal reversion. Oven air method.
- Vicat softening temperature
- Dichloromethane resistance at specified temperature (DCMT)
Material properties
- Determination of density of non-cellular plastics. Immersion method.
- Determination of ash content. Method A: Direct calcination.
Mechanical properties
- Resistance to external blows. Staircase method.
- Resistance to external blows. Round-the-clock method.
- Determination of tensile properties.
Polypropylene (PP). EN 1451-1
Tests:
Suitability for use:
Dimensional:
Physical properties
- Determination of the melt mass-flow rate (MFR) of thermoplastics.
- Determination of the oxidation induction time.
- Longitudinal reversion. Oven air method.
- Visually assessing the effects of heating.
Material properties:
Mechanical properties