Every time you spot a purple pipe, you can be sure recycled water is flowing through it! Similarly, when you see a purple recycled water sign, it shows that recycled water is used at that location for a specific purpose.
Purple pipe means recycled water.
IPEX Reclaimed (purple) PVC irrigation pipes provide an effective solution for reclaimed irrigation (rainwater, grey water) applications. The products can be used in both residential and commercial reclaimed water systems.
Purple ducting runs along motorway central reservations or verges and alongside some 'A' roads. It carries National Roads Telecommunications Services (NRTS) such as emergency telephone, speed camera and CCTV traffic monitoring.
Purple is the national color for pipes that carry clean, non-potable water such as groundwater or rainwater. The pipes are made out of purple-colored PVC so they are not confused with pipes carrying treated, drinkable water.
Color coding provides important information about the hazard presented by the pipe's contents. Text identifies the pipe's contents by name and may also indicate temperature or pressure (if either presents a hazard).
Waste Pipes are available in a range of sizes in Black, White and Grey.
Purple – Reclaimed water, irrigation, and slurry lines. Pink – Temporary survey markings, unknown/unidentified facilities. White – Proposed excavation limits or route.
Red or black power/electricity ducting can be installed at depths of 450mm to 1200mm. Blue water pipe ducting, installed at 750mm. Yellow gas ducting, installed at 600mm. Green ducting used for CCTV, installed at depths of 250mm to 350mm.
The purple ducting is for Motorway Communications. The permanent cabling will be in one of the verges and a connection has to be maintained throughout the network.
Purple Furniture Grade Schedule 40 PVC Pipe (2-Pack)
PVC pipes are white or dark gray in color. CPVC is off-white, light gray, or yellow in color.
Alkaline water is blue to purple in color. This is a scientific test that indicates how acidic or alkaline your water is, and how it is changed by electric ionisation.
Why is it purple? Purple is the national color for pipes that carry clean, non-potable water such as groundwater or rainwater. The pipes are made out of purple-colored PVC so they are not confused with pipes carrying treated, drinkable water.
Other uses of black steel pipes include gas distribution inside and outside homes, water wells and sewage systems. However, black steel pipes are never used for transporting potable water due to the fact that they tend to corrode in water and mineral of the pipe will dissolve into the water and clog the line as well.
Blue: Potable Water| White: Irrigation and Water. Green: Sewer. Purple: Reclaimed Water.
Most underground drainage systems today are manufactured in PVC-u, which is hardwearing and virtually maintenance free. The smooth inner wall of the pipe also promotes a much better flow when compared to traditional materials. Underground drainage pipes and fittings are almost always terracotta orange in colour.
Both green and grey are for telecoms and communications however, grey ducting is specially approved for use on the national BT network, whereas green ducting is used for all other types of telecommunications such as Virgin media cable TV and fibre optic systems.
Iron pipes are called black iron pipes before galvanizing, and white iron pipes after galvanizing, also known as water gas pipes. Most homes built before the 1960s have black iron pipe for things such as water and gas lines. It is a form of steel pipe, but made from more malleable products.
Green marks are for sewer and drain pipes. Sewer and storm drain mains usually have manholes for access with certain spacings along their routes.
Fire fighting pipes are used in automatic sprinkler systems and other water systems that stop fires. These pipes are usually painted in red to make it easy for firefighters and other individuals to identify them. and to sperate them from other water systems.
Black: all other rubbish
Any leftover household general waste that can't go in the either the green recycling bin, or the brown food and garden waste bins, goes into the black refuse bin.