3 Inch Diesel Engine Self Priming Sewage Trash Dirty Water Centrifugal Pump

Customization: Available
After-sales Service: After-Sales Department
Warranty: 1year for The Pump

Product Description

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Basic Information

Model NO.JU-3
Max. Head50-80m
Max. Capacity>400 L/min
Driving TypeDiesel Engine or Electric
Impeller NumberSingle-Stage Pump
Working PressureLow Pressure Pump
Position of Pump ShaftHorizontal Pump
ImpellerSemi-Open
Pump MaterialCast Iron or Stainless Steel
TheoryCentrifugal Pump
Rotation Speed1050rpm-2350rpm
Max. Suction Lift7.6m
Max. Pass Solid Dia.20.63mm
Package Size200.00cm * 165.00cm * 150.00cm
HS Code8413709990
Production Capacity500 Sets Per Month

Product Description

3 inch Diesel Engine Driven Self Priming Centrifugal Pump

The self-priming centrifugal series is the standard for industrial and sewage application. The heavy duty construction and easy-to-service design have made these pumps the industry standard. The combination of different sized pumps, impeller trims, and speed variations ensure that the correct capacity pump will be matched to the exact requirements of your system. These pumps feature a large volute design that allows them to reprime automatically in a completely open system without the need for suction or discharge check valves.

3 Inch Diesel Engine Self Priming Sewage Trash Dirty Water Centrifugal Pump

Key Features

Pump Features Diagram
High and Dry Mounting Self-priming centrifugal design allows mounting at floor level with only the suction line in the liquid. Maintenance is performed without pulling the pump or entering wet wells.
Minimum Clogging Designed for virtually clog-free performance, handling spherical solids up to 3 inches (76mm) in diameter. Removable cover plate allows quick access for debris removal.
Economical Service The rotating assembly can be removed without disturbing the casing or piping. O-ring seals permit easy external clearance adjustments.
Automatic Priming Requires minimal attention; after initial priming, the pump will continue to reprime automatically even with a partially filled casing and dry suction line.
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Technical Parameters

Model Rotation Speed (rpm) Capacity Head (m) Power Inlet & Outlet (mm) Max. Solids (mm) Max. Suction (m)
m3/h l/s KW HP
JU-310503011.1102.2380(3")20.632.3
14504014.6165.57.52.9
17505018.12511154.5
19506020.13618.5257.6
21507022.24422307.6
23508027.55222307.6
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Performance & Production

Performance Curve
Production Process

Applications

  • Municipal Engineering & Wastewater
  • Residential Community Sewage
  • Hospital and Hotel Discharge
  • Sewage Treatment Plants
  • Water Drainage Stations
  • Seriously Polluted Water Discharge
  • Agricultural Irrigation
Application Scenario
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Service & Factory

We provide timely delivery (approx. 25 working days for diesel sets) and robust plywood packaging suitable for ocean transport. Our warranty covers 12 months for the pump body and 3 months for core working parts. On-sales service includes photo/video updates of the production process.

Factory Overview
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Frequently Asked Questions

Q: What type of liquids can this pump handle? A: It is specifically designed for industrial wastewater, sewage, and liquids containing spherical solids up to 3 inches in diameter.
Q: Does the pump require a check valve for priming? A: No, the large volute design allows it to reprime automatically in an open system without suction or discharge check valves.
Q: What materials are available for the pump casing and impeller? A: Standard options include high-quality Cast Iron or Stainless Steel for enhanced durability and corrosion resistance.
Q: Can the pump be maintained without removing the piping? A: Yes, the removable cover plate and rotating assembly design allow for service without disturbing the pump casing or discharge piping.
Q: What is the maximum suction lift of the JU-3 model? A: The JU-3 model provides a maximum suction lift of up to 7.6 meters (approximately 25 feet).
Q: What driving options are compatible with this pump? A: The pump can be configured with either a Diesel Engine or an Electric Motor, depending on your site requirements.

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