Pedrollo PV Pumps with Peripheral Impeller INSTALLATION & USE Designed to transfer clean water free from abrasive particles and liquids that will not damage the pumps components.The construction features of these compact brass pumps ensure protection against rust and oxidation and are suited for various industrial applications, such as cooling and air conditioning. We always recommend getting pumps installed by a qualified plumber.The pump should be installed in an enclosed environment or sheltered from inclement weather. CONSTRUCTION Pump Body: Brass, equipped with ISO 228/1 threaded ports Pump Body Back-plate: Brass Motor Bracket: Aluminium Impeller: Brass, radial peripheral vane type Motor Shaft: Stainless steel AISI 431 Mechanical Seal: Silicon carbide / Graphite / NBR Power Supply:  230V Single Phase (230/1/50) or 400V Three Phase (400/3/50) Ports:  PV55 - 1/4" / PV60, PV81 - 1/2" / PV65, PV70, PV,90 - 3/4"The pump body can be rotated PERFORMANCE RANGEFlow ra