Pedrollo TOP Multi AD - Submersible Pump For AdBlue ® INSTALLATION & USE The Pedrollo TOP MULTI 1-AD Multistage submersible pumps are designed to pump clean liquid, which is defined according to standard ISO 22241 as AUS 32 (Aqueous Urea Solution 32.5%).This liquid is equivalent to other commercial trademarks known as: AdBlue® (trademark registered by Verband der Automobilindustrie VDA); DEF  (Diesel Exhaust Fluid); Arla 32 (Agente Redutor Liquido de Óxido de Nitrogênio Automotivo).Multistage submersible pumps TOP MULTI-AD are designed using materials compliant to this liquid; their use is subjected to local laws and directives. CONSTRUCTION Delivery Body: Glass fibre reinforced technopolymer , complete with threaded ports in compliance with ISO 228/1Suction Filter: Glass fibre reinforced technopolymer Stage Casting: Glass fibre reinforced technopolymer Impeller: Noryl FE1520PW Diffuser: Noryl FE1520PW Complete with anti-wear ring Vane Diffuser: Glass fibre reinforced