ISO 20560 approved pipe markers ISO 20560 pipe markers are globally recognized. The usage of pipe markers compliant to the ISO 20560 will increase your plant safety. Those pipe markers are a combination of 2 colour zones: * the basic identification colour zone, in which you can put the content name and additional safety information, like pressure, temperature and speed * the safety colour to visualize increased risk, trough the means on GHS/CLP or ISO-7010 warning sign.