Technical Data Identification Code 4STM2-64:Well diameter:4"ST: submersible pump modelM:Single phase motor(three phase without M)2:Capacity(m3/h)6:Stage Fields of Application For water supply from wells or reservoirFor domestic use, for civil and industrial applicationFor garden use and irrigation Technical Data Suitable fluidsClear, free from solid or abrasive substances,Chemically neutral and close to the characteristics of water PerformanceSpeed range:285OrpmFluid temperature range:-10o -4OoCMax Working pressure:40barAmbient TemperaturePermissible up to 40oC Power Single phase 1-240V/50Hz,three-phase: 380V-415V/50Hz Motor Degree of protection: IP68Insulation class: BConstruction MaterialsCasing both of pump and motor, pump shaft: stainless steel AISI304Outlet and Inlet: bronzeImpeller and diffuser, non-return valve: thermoplastic resin PPO Accessories Control switch, waterproof glue. MODEL POWER Capacity and Head SINGLE THREE KW HP m3/h 0 0.6 0.8 1.2 1.8 3 3.3 3.9 I/min 0 10 15 20 30 50 54 65 4STM2/6 4ST2/6 0.37 0.5 Head(m) 45 38 35 28 24 18 10 5 4STM2/8 4ST2/8 0.55 0.75 60 50 46 45 40 28 18 8 4STM2/10 4ST2/10 0.75 1 75 65 61 55 46 26 26 16 4STM2/12 4ST2/12 1.1 1.5 90 84 80 76 64 36 36 26 4STM2/14 4ST2/14 1.1 1.5 105 100 90 80 75 70 60 38 4STM2/16 4ST2/16 1.5 2 120 110 95 85 73 70 63 41 4STM2/18 4ST2/18 1.5 2 135 120 110 100 90 80 70 52 4STM2/22 4ST2/22 2.2 3 165 150 140 130 120 105 90 63 4STM2/30 4ST2/30 3 4 225 215 205 190 180 175 130 75 ModelDNDimensions(mm)L1L(s)L(T)4STM2-61 1/4″3717397244STM2-81 1/4″4208438284STM2-101 1/4″4707539334STM2-121 1/4″558114211024STM2-141 1/4″608138213224STM2-161 1/4″707166615914STM2-181 1/4″845 19354STM2-221 1/4″