Product Overview

The YW Series Liquid-Submerged Sewage Pump is a vertical sewage pump designed for direct installation in sumps and wet wells, with the pump impeller submerged in the liquid while the motor remains above the liquid level. This configuration provides reliable sewage transfer while keeping the motor accessible for inspection and maintenance above ground level.

This pump is widely used in municipal wastewater treatment, industrial effluent drainage and commercial sewage management. Depending on regional terminology, it may also be referred to as a Vertical Liquid-Submerged Sewage Pump, YW Submerged Pump, YW Series Liquid-Submerged Sewage Pump or YWSewage Pump.

Key Features

• Vertical liquid-submerged design positions the pump impeller below the liquid surface while keeping the motor above
• Anti-clogging impeller design provides strong sewage and wastewater handling capability
• Motor remains above the liquid level for straightforward inspection and maintenance
• Reliable operation in demanding municipal and industrial wastewater environments
• Compact vertical arrangement minimises installation footprint
• Extended service life with robust construction and quality materials

Applications

• Municipal wastewater treatment plant effluent transfer
• Urban sewage collection and drainage systems
• Industrial effluent drainage from manufacturing facilities
• Commercial building basement sewage drainage
• Water treatment plant wastewater pumping
• Sewage pumping in institutional and commercial facilities

Customer Benefits

Accessible Motor Maintenance

With the motor positioned above the liquid level while the impeller is submerged, routine motor inspection and maintenance can be performed without accessing the sump, improving safety and reducing maintenance complexity.

Strong Sewage Handling Capability

The anti-clogging impeller design enables the YW Series to handle sewage and wastewater containing solid particles and fibres without frequent blockages.

Space-Saving Vertical Design

The vertical arrangement requires minimal installation footprint, making the YW Series suitable for installations with confined sump or wet well space.

Reliable Wastewater Transfer

The robust construction and rational structural design ensure dependable sewage and wastewater transfer under demanding municipal and industrial operating conditions.

Extended Service Life

Quality materials and robust construction reduce component wear and extend maintenance intervals, lowering total cost of ownership over the pump service life.

Wide Operating Range

With flow rates from 2 to 180 m³/h and heads from 4 to 45 m, the YW Series covers a broad spectrum of municipal and industrial sewage drainage requirements.

Technical Specifications

Parameter	Specification
Product Series	YW Series
Pump Type	Vertical liquid-submerged sewage pump
Flow Rate	2-180 m³/h
Head	4-45 m
Motor Power	0.75-22 kW
Rotational Speed	2900 / 1450 r/min
Outlet Diameter	DN32-DN200
Installation Type	Vertical liquid-submerged

Selection Guidance

To select the appropriate YW Series liquid-submerged sewage pump, please provide the following information:

• Required flow rate (m³/h)
• Required head (m)
• Sewage composition (solid particle size, fibre content)
• Sump or wet well dimensions and submergence depth
• Available voltage and frequency
• Operating conditions and duty cycle

Final model selection should be confirmed according to the actual duty point, sewage composition and project conditions.

Installation and Maintenance

Installation Guidance

The pump should be installed in a sump or wet well with the motor positioned above the maximum liquid level. The discharge piping must be properly supported to prevent load transfer to the pump connections. Adequate clearance should be provided for motor access and maintenance.

Pre-Start Inspection

Before starting the pump, confirm the following:

• Pump is securely mounted in the sump or wet well
• Motor is positioned above the maximum liquid level
• Discharge piping connections are complete and leak-free
• Motor wiring is correct and terminals are secure
• Impeller rotates freely without obstruction
• Float switch or level sensor is correctly set for automatic operation

Routine Maintenance

Regular inspection should include:

• Checking mechanical seals for leakage
• Monitoring motor bearing temperature and vibration levels
• Verifying that the pump maintains the required flow and head during test runs
• Inspecting impeller and flow passage for blockages
• Inspecting all pipeline connections for signs of wear or leakage

Available Configurations

• Flow rates from 2 to 180 m³/h
• Heads from 4 to 45 m
• Motor powers from 0.75 to 22 kW
• Rotational speeds: 2900 / 1450 r/min
• Outlet diameters from DN32 to DN200
• Various shaft lengths for different submergence depths

FAQs

What is a YW Series liquid-submerged sewage pump?

It is a vertical sewage pump with the pump impeller submerged in the liquid while the motor remains above the liquid level, designed for reliable sewage transfer with accessible motor maintenance.

What is the flow range of the YW Series?

The YW Series offers flow rates from 2 to 180 m³/h, suitable for small to medium sewage drainage applications.

What is the head range?

Available heads range from 4 to 45 m.

What liquids can this pump handle?

It is suitable for sewage, wastewater and effluent containing solid particles and fibres, making it suitable for municipal and industrial drainage applications.

Why use a liquid-submerged design?

The liquid-submerged design positions the pump impeller below the liquid surface for efficient suction while keeping the motor above the liquid level for accessible inspection and maintenance.

Where can the YW Series be used?

It is widely used in municipal wastewater treatment, urban sewage drainage, industrial effluent drainage, commercial building basement sewage pumping and water treatment plant operations.

Contact Chaodun

For product selection, technical data, performance information or project quotations, please contact Shanghai Chaodun Machinery Manufacturing Group Co., Ltd.

Website: https://cd-pump.cc

Email: Suzion@cd-pump.com

WhatsApp: +44 751 8050 473