Scope: Pumps of this series are intended for pumping of pure water and can be applied: for household and industrial use at water supply from wells and tanks (obligatory installation of a casing of cooling), for pumping of water in tanks, for irrigation systems, for automatic water supply together with small tanks when using control automatics (controlling relays, pressure controllers). Pump part: Main body: AISI 304 stainless steel; Output flange: AISI 304 stainless steel; Impeller: stainless steel AISI 304; Shaping washer: AISI 304 stainless steel; Diffuser: AISI 304 stainless steel. Electric motor: Motor type: oil-filled, with built-in thermal protection; Stator winding: copper; Motor housing: AISI 304 stainless steel; Engine shaft: AISI 304 stainless steel; Mechanical seal: ceramic / graphite; Bearing: rolling (C&U); Voltage: 380V; Frequency: 50 Hz; Insulation class: F; Protection class: IP68. Conditions of application: Maximum temperature of the moved liquid: + 35 ° C; Depth of immersion under a water mirror: to 80 m; Well diameter: from 160 mm to 250 mm; The content of abrasive impurities in the suspended state (sand, clay, lime, etc.): not more than 0.25%; Hydrogen index of water (pH): 6.5 - 8.5; Total water mineralization: not more than 1500 g / m³; Warranty period: 24 months. Dongyin brand
