30 FEATURE
Material of pipe / fitting
PEX / Acetal / Polysulphone fittings Cross linked polyethelene
Application Supplier SANS designation
Hot & Cold water supply & underfloor heating
Hot & Cold water . Gas . Underfloor heating
Lifespan of pipework
Speedfit 21003 50 Years
Max kPa
1000 normal , 5000 max
Environment application coast / inland
Ease of application
Both Yes Yes
Sunridge 21003 50 years 1000 Both Yes Yes
Fitting Water Sunridge 21003 50 years 1000 Both Yes Yes Fitting Gas Sunridge AS 41768 ISO 17484 50 years 1000 Both Yes Yes PVC-U pressure Swan Plastics 966-1 50 years 2000 Both Medium Medium PVC-M Pressure Swan Plastics 966-2 50 years 2500 Both Medium Medium PVC ( UG ) Sewer / Drain Swan Plastics 1601 50 years 400 Both Yes Yes PVC ( UG ) Sewer / drain Swan Plastics 791 50 years 300 Both Yes Yes PVC ( UG ) Soils , Vent , waste Swan Plastics 967 50 years Nil Both Yes Yes PVC white Gutter Swan Plastics 11 10 years Nil Both Yes Yes Polypropylene Sewer / drain Swan Plastics 21138-3PP 50 years 400 Both Yes Yes
HDPE Waste drainage Valsir 8770 50 years 400 Both Yes Yes
Ease of repair
PP Waste drainage Valsir EN 1451-1 50 years 200 Both Yes Yes
PE-Xb Domestic water supply Valsir 15875 50 years 1600 Both Yes Yes
PP _ R Domestic water supply Valsir 15874 50 years 2000 Both Yes Yes
PEX / AL / PEX Domestic water supply Valsir 21003 50 years 2000 Both Yes Yes
* Lifelong under ideal water conditions
Explanatory notes .
• Material of pipe – the material used , PVC , Copper , etc
• Application – what can the pipe be used for i . e ., hot water , waste , sewer , etc .
• Specification use and SANS designation ( two columns ) – is the pipe / fitting specified and the SANS designation follows .
• Lifespan of pipework and warranty / guarantee – correctly installed as per manufacturer ’ s instructions .
• Maximum kPa – this relates to the actual pipe / fitting when installed .
• Environment application – Can it be installed inland and / or coast or both ?
• Ease of installation and maintenance / repair
• Proprietary or generic tools – what tools are best used ?
• Is the pipe / fitting interchangeable with other pipes / fitting ?
• Is the pipe / fitting locally manufactured or imported ?
• Stock - Are stocks / spares readily available at merchant outlets ?
• Is the material reusable i . e ., converted to something else or is it landfill material ? PA
www . plumbingafrica . co . za @ plumbingonline @ plumbingonline @ PlumbingAfricaOnline September 2021 Volume 27 I Number 7