Submersible MotorPublished U-FLO family designation. The complete size, hydraulic execution, motor, materials and accessories remain to be selected.
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U-FLO · Motor family
U-FLO Submersible pump motor Submersible Motor for Irrigation
Submersible Motor is documented as a submersible pump motor product family. DFIN has reorganised the published performance and application facts for product comparison, duty review and quotation preparation. Final size, materials, motor, controls and accessories are confirmed against the actual installation.
Encapsulated Type3″-6″ Power: 0.37-45kW
Rewindable Type4″-21″ Power: 0.37-550kW
Published speed2900rpm(2P), 1450rpm(4P), 985rpm(6P), 740rpm(8P)
EXPLORE THIS PRODUCT DOSSIER
Product, engineering and service information in one place
ENGINEERING DATA
Technical specifications
Published family limits are reference maxima and do not describe one simultaneous operating point. Confirm the selected size on its current performance curve.
| Parameter | Published reference |
|---|---|
| Encapsulated Type | 3″-6″ Power: 0.37-45kW |
| Rewindable Type | 4″-21″ Power: 0.37-550kW |
| Published speed | 2900rpm(2P), 1450rpm(4P), 985rpm(6P), 740rpm(8P) |
| Published voltage | Single-phase 220 V / Three-phase 380V |
| Insulation / protection | F Protection Grade: IP 68 |
| Maximum temperature | 90 ℃ |
| Installation standard | NEMA |
IDENTIFY THE RIGHT BUILD
Models & configuration
A family or hydraulic size is the starting reference. Include the complete nameplate designation, serial number, materials, seals, drive and connection details when ordering.
Materials & performance
Construction materials depend on the selected size and execution. Confirm casing, impeller, shaft, seal, elastomers and all wetted materials against the liquid and operating temperature.
Provide the duty point, well or basin dimensions, installation depth, water analysis, sand content, power supply, cable requirements and required material execution.
DFIN reviews the operating point together with the suction condition and drive. Supply the fluid properties at both start-up and normal operation so the proposed arrangement can be checked against the appropriate curve.
Application industries
DFIN application links identify duties to discuss, subject to the specified fluid and complete pump configuration.
Typical duties to review
- Irrigation
- Domestic water supply
- Fountain
- Industrial water supply
- Booster equipment
Published design points noted for this family include: Anticorrosive stainless steel body; Unique design in thrust bearings can endure high intensive axial thrust.; Copper rotor and low-power silicon steel lamination ensures high starting torque; High power factor reduces power consumption; Larger shaft diameter ensures better power transmission. Confirm which points apply to the selected size and execution.
Compatible parts & service
Use the complete Submersible Motor designation, equipment serial number and nameplate to identify the installed hydraulic, motor and control configuration before ordering a replacement or service part.
For service planning, record operating history and the required drawing positions. Confirm seals, bearings, wear parts, impellers, cables, sensors and control components against the actual build.
Maintenance planning
Use the selected model’s operating manual for isolation, draining, inspection and reassembly. Report leakage, unusual noise, loss of output or visible wear with photographs and the operating history. DFIN can use the equipment identity and drawing positions to prepare a parts enquiry.
Request matching service parts →DFIN KNOWLEDGE BASE
DFIN technical notes for Submersible Motor
Shanghai Dfin Pump Co., Ltd. has reorganised the available product facts into practical notes for identification, selection, application review and maintenance planning. These notes support an initial comparison; the final duty point and order code still require project-specific confirmation.
PERFORMANCE NOTE
Submersible Motor: how to read the operating range
Encapsulated Type: 3″-6″ Power: 0.37-45kW; Rewindable Type: 4″-21″ Power: 0.37-550kW; Published speed: 2900rpm(2P), 1450rpm(4P), 985rpm(6P), 740rpm(8P); Published voltage: Single-phase 220 V / Three-phase 380V. These figures describe the documented family or model reference; the usable duty point must be checked against speed, liquid properties, suction conditions and the selected drive.
MODEL IDENTIFICATION
Submersible Motor: model and configuration checklist
Identification references include Submersible Motor. Use the complete nameplate designation, serial number, connection, materials, seal arrangement and drive details when requesting a replacement or quotation.
APPLICATION REVIEW
Submersible Motor: materials and suitable duties
Construction materials depend on the selected size and execution. Confirm casing, impeller, shaft, seal, elastomers and all wetted materials against the liquid and operating temperature. Typical duties to review include Irrigation, Domestic water supply, Fountain. Provide the duty point, well or basin dimensions, installation depth, water analysis, sand content, power supply, cable requirements and required material execution.
SERVICE PLANNING
Submersible Motor: maintenance and spare-parts preparation
Use the complete Submersible Motor designation, equipment serial number and nameplate to identify the installed hydraulic, motor and control configuration before ordering a replacement or service part. Isolate the equipment, follow the applicable maintenance procedure and confirm every replacement item against the installed configuration before ordering.
PRODUCT & ENGINEERING FAQ
Questions about U-FLO Submersible Motor
Use these answers to prepare a technically complete comparison and enquiry.
How should U-FLO Submersible Motor be selected?
Start with the real duty point: fluid, flow, differential pressure or head, temperature, viscosity, solids, suction condition and operating pattern. DFIN then reviews size, materials, sealing and drive.
Are the listed maximum values a guaranteed operating point?
No. They describe independent catalog boundaries for the family or model. The selected point must be checked against the applicable curve, size, speed, fluid and drive arrangement.
What information confirms the complete model code?
Provide the full nameplate designation and serial number plus materials, seal arrangement, ports, drive, motor supply and any special option. A family name alone is not an order code.
Can DFIN help identify service parts?
Yes. Send the equipment identity, drawing position, existing part code, photographs, material and failure description. DFIN can prepare a parts enquiry matched to the installed configuration.
What should be included in the quotation request?
Include quantity, fluid data, operating point, installation, connection standard, available utilities, hazardous-area requirements and delivery destination. For a replacement, include the nameplate and current drawing.
SHANGHAI DFIN PUMP CO., LTD.
Turn this reference into a clear quotation.
Send the full model and serial number, quantity, fluid, required flow and pressure, temperature, viscosity, installation details and delivery destination. For a replacement, attach the nameplate and existing drawing.
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