The black water pipe system must be installed according to AS/ NZS 3500.1:2003. 
It can be used for hot and cold-water services with normal operating temperature of 65°C and can also withstand short exposure to temperature of up to 95°C. 
It can also be operated at a pressure of up to 2,000 kPa at 20°C. 
 
Lightning PEX-A PN20 water pipe features: 
Suitable for potable water installation 
Black PE outer layer 
Dimensions 16–32mm 
Coils and 5m lengths
Flexible and extremely durable, capable of withstanding temperatures up to 95C for short periods
Pipe is clearly labelled Blue Crimp, Sleeve and Lightning fitting only