SESTA certify that all products are manufactured according to specific quality standards. This may include compliance with recognized industry norms or industry standards. indicate that the product is safe for its intended use and that it meets certain safety requirements established by appropriate organizations. SESTA presents a vast range of products ranging from the plastic piping sector: with and without aluminum to the fittings sector, each product is certified and guaranteed for 50 years. The certifications that SESTA has concern the quality, manufacturing safety and drinkability of its products. The company is periodically subjected to checks by certifying bodies which certify its quality and continuous adherence to evaluation standards, in order to have an excellent performing product and above all safe from all points of view. SESTA also produces tubes without aluminum, with oxygen barrier, EVOH 3/5 layers, these latter also IIP certified as regards quality and production with positive results also for drinkability, where SESTA has faced several test reports with positive results, HY (hygiene Institut) and CSI certified. SESTA multilayer is designed to resist a pressure of 10 bar at a temperature of 70/95°C for 50 years. this property is ensured by long-term tests that allow the so-called regression lines to be drawn.