Product Name: High Efficiency Deep Well Submersible Borehole Well Water Pump (4ST2) Stairs Type Model NO.: 4ST8-4 Theory: Centrifugal Pump Performance: No Leakage Pump Media: Sea Water Pump Industry: Agriculture Application: Submersible Pump Type: Oil-Filled or Fully Enlosed Pump Start Up: Electric Pump Power: Electric Assembly: Pipeline Pump Structure: Multistage Pump Material: Stainless Steel Driving Type: Motor Max.Capacity: >400 L/min Max.Head: 110m-150m Suitable Well Size: 4 Inches: Casing Material: AISI 304ss out/Inlet&Oil Chamber:AISI 304 Ss: Shaft: AISI 304ss and Carbon Steel Connected Diffuser&Impeller: AISI 304 Ss& POM.: Bearing: C&U/ NSK Delivery: 322m: Capacity:250L/Min Impeller: Nylr Diffuser: Engineering Plastic+Ss Shaft: AISI316 Bearing: C&U Trademark: OEM/ODM/KATREENI Transport Package: Cylinder Carton Package Specification: CE SGS ISO9906 NEMA Origin: China HS Code: 8413709190 Product Description High Efficiency deep well Submersible borehole well Water Pump (4ST2) Stairs TypeOpertating conditions:Minimum well diameter: 4 inchesMaximum fluid temperature: 35 oCMaximum sand content: 0.25%Maximum immersion: 30mImpeller: NylrDiffuser: Engineering plastic+ss coverCover: AISI304/ SteelSpecificationsRewindable motor / fully enclosed shielding motor1 Phase: 220V-240V/50Hz3 Phase: 380V-415V/50HzDimension and curve according to NEMA StandardCurve Tolerance accord with ISO9906Options on requestsSpecial material componentsStart con trol box or automatic digtal control box50 or 60HzSingle phase motor with built-in capacitorApplication:Water supplySprinkler irrigationPressure boostingFire-fighting