Quality Assurance and Standards
- PVC-O pipes are manufactured in accordance with IS 16647 – 2017 Oriented Unplasticised Poly Vinyl Chloride (PVC-O) Pipes, suitable for water supply.
- CCAL’s pipes meet other international standards applicable to PVC-O, as follows:
- ISO 16422:2014 standards for Pipes and Joints made of Oriented Unplasticised Poly(Vinyl Chloride) (PVC-O) for the conveyance of water under pressure
- ASTM F 1483-05 Standard Specifications for Oriented Poly(Vinyl Chloride), PVC-O, Pressure Pipes
- ANSI/AWWA C909-02 for Molecularly Oriented Poly Vinyl Chloride (PVC-O) Pressure Pipes for Water Distribution
- AS/NZS 4441:2008 for Oriented PVC (PVC-O) pipes used in high-pressure applications
- SANS 16422:2007 for pipes and joints made of Oriented Unplasticised Poly(Vinyl) Chloride (PVC-O) for the conveyance of water under pressure
- UNE-ISO 16422 standard
- CSA B137,3,1-09 for Molecularly Oriented Poly Vinyl Choride (PVC-O) pipe for pressure applications
- NF T54-948:2010 for pipes and joints made of Biaxially Oriented Poly Vinyl Chloride (PVC-BO)
Non-mechanical Characteristics of PVC-O
| Characteristic | Unit | Value |
|---|---|---|
| Density | kg/dm3 | 1.35 – 1.46(1) |
| PVC Resin k Value | – | > 64 |
| Shore hardness D at 20℃ | – | 81 – 85 |
| Poisson Coefficient | – | 0.35 – 0.41 |
| Vicat Temperature | ℃ | > 80 |
| Lineal expansion coefficient | ℃-1 | 0.8 – 10-4 |
| Thermal Conductivity | kcal/mh℃ | 0.14 – 0.18 |
| Specific heat at 20mh℃/td> | cal/g℃ | 0.20 – 0.28 |
| Dielectric stiffness | kV/mm | 20 – 40 |
| Dielectric constant at 60 Hz | – | 3.2 – 3.6 |
| Transverse resisitivity at 20℃ | Ω/cm | >1016 |
| Absolute roughness (ka) | mm | 0.007 |
| Absolute roughness (Hazen Williams) | – | 150 |
| Manning roughness coefficient | – | 0.009 |