EPPI’s quality management system has been certified to ISO 9001 requirements since 2004. The factory is equipped withfacilities to conduct applicable tests for preinsulated pipes as well as HDPE pressure pipes. EPPIalso has product certification for preinsulated pipes as per EN253 from Euroheat & Power (EHP001), a unique network of district energy associations based in Europe. The company also has WRAS approval for HDPE pressure pipes to transport potable water.