The separator for greasy wastewater is suitable for installation in the ground and comes without metallic components in the tank. The collecting tank made of permanently resistant polymer (PE) is equipped with an integrated sludge trap (NS 4 with separate sludge trap tank) and has a rounded base for fast and clean disposal. Access for cleaning and maintenance work is possible via one or several service access covers. Manual disposal is carried out with the tank open. 20 year polyethylene warranty.