Plumbing Africa February 2023 | Página 29

FEATURE 27
Material of pipe / fitting
Polybutylene Hot & Cold water
Application Supplier SANS designation
Lifespan of pipework
Max kPa
Harscan
21003 1-5
75 years
600 @ 95 deg , 1000 @ 20deg
Environment application coast / inland
Ease of application
Ease of repair
Proprietary or generic tools
Interchangeable with another pipe
Local or import
Stock
Material reuse
Both
Yes
Yes
No tools
Yes
Imported
Yes
Yes
Multilayer
Hot & Cold water
LIXIL 21003 1 - 5
50 + years
1000 Both Yes Yes Proprietary Yes imported Yes Yes
Copper
Hot & Cold potable water supply
Maksal
460
* Lifelong
Varies ,
pipe size
dependent
Both
Two jointing methods , dependent on class of pipe
Yes Generic Yes Local Yes Yes
DZR brass compression fitting
Copper & DZR Brass Capillary fitting
Hot & Cold potable water
Hot & Cold potable water
Maksal
1067- 1
* Lifelong
Max test = 8000 , Normal = 2000
Maksal
1067 -2
* Lifelong
Max test = 4000 , normal = 2000
Both Yes Yes Generic N / A Imported Yes Yes
Both Yes Yes Generic N / A Imported Yes Yes
PVC
PVC
uPVC
Underground system ( Normal duty ) solid wall- Underground system ( Heavy duty ), solid wall
Underground system multilayer pipe
Marley 791 50 years 100 Both Yes Yes Generic Yes Local Yes Yes
Marley 791 50 years 300 Both Yes Yes Generic Yes Local Yes Yes
Marley 1601 50 years 100 Both Yes Yes Generic Yes Local Yes Yes uPVC
uPVC
PVC
PVC
Underground system multilayer pipe
Underground system ( heavy duty ) Solid wall Soil & Vent systems , bath & wash basin Waste systems bath & wash basin
Marley 1601 50 years 200 Both Yes Yes Generic Yes Local Yes Yes
Marley 1601 50 Years 400 Both Yes Yes Generic Yes Local Yes Yes
Marley 967 50 years Nil Both Yes Yes Generic Yes Local Yes Yes
Marley 967 50 years Nil Both Yes Yes Generic Yes Local Yes Yes
PEX pipe
Hot & Cold water supply & underfloor heating
Speedfit
21003 1 -5 50 years
1000
normal
Both Yes Yes Generic Yes Imported Yes Yes
February 2023 Volume 28 I Number 12 www . plumbingafrica . co . za