井眼的水泵

4SP series clean-water submersible pump ismost extensively used pump suitable forgarden ,domestic use and irrigation Range of performanceFlow rate up to 375 l/min (22.5 m3/h) Head up to 525 mLimits of useLiquid temperature up to +30° C Maximum sand content 150 G/M3 Starts/hour: 20 at regular intervalsInstallation and use They are recommended for pumping clean water with a sand content no higher than 150 G/M3. Their high efficiency and reliability make them suitable for use in the domestic, civil and industrial sectors, including for water supplies as part of a pressure set, irrigation, washdown systems, pressure boosting and fire fighting systems. Construction characteristicsDelivery body and motor bracket: Stainless steel aisi 304.Non-return valve: Stainless steel aisi 304.Impellers and diffusers: Technopolymer.Diffuser housing: Stainless steel aisi 304.Pump casing: Stainless steel aisi 304.Pump shaft: Stainless steel aisi 304.Pump bearings: Housing in special technopolymer with stainless steel aisi 316 shaft bushes, chrome oxide coated to resist sand.Drive coupling: Stainless steel aisi 316l up to 2.2 kw; Stainless steel aisi 304 for higher powers.Screws, filter and cable cover: Stainless steel aisi 304.Motor: Pedrollo 4" submersible electric motor. 4srm: Single-phase220÷ 230 v - 50 Hz. 4sr: Three-phase380÷ 415 v - 50 Hz.Protection: IP 68.Standard features: 4srm (single-phase) power cable 1.5 metres long (2.5 metres for motors over 3 kw). Capacitor supplied loose with pedrollo motors. 4sr (three-phase) power cable 1.5 metres long (2.5 metres for powers higher than 3 kw).Options on requestPumps for water with a sand content higher than 150 G/M 3Pumps for sea waterFranklin electric 4" submersible electric motorOther voltages or frequency 60 Hz