EBARA DKE Series: High-Efficiency Submersible Pumps for Wastewater

Introduction

The EBARA DKE series represents a new generation of submersible pumps, developed by EBARA for pumping municipal and industrial wastewater, as well as liquids containing solid or fibrous materials. Designed and constructed based on advanced engineering systems, a new design, and a new hydraulic system utilizing anti-clogging technology, and equipped with high-efficiency IE3 motors, the DKE line ensures excellent performance in terms of effectiveness and efficiency.

EBARA's significant commitment to product quality, innovative technology, and energy efficiency makes the DKE series an ideal solution for modern wastewater management and transport.

Key Features

Efficiency: IE3 Class H motors as standard provide the highest performance with optimized energy consumption.
Reliability: Japanese technology, a hallmark of all EBARA products, guarantees the new DKE pump range exceptional quality and long-lasting reliability.
Effectiveness: The innovative hydraulic system minimizes the risk of clogging, ensuring trouble-free pumping of wastewater – reliably, effectively, in all conditions.
Versatility: An ideal solution for a wide range of applications, both in stationary and mobile installations.
Easy Maintenance: Simple disassembly and extended service intervals.

Technical Specifications Overview

The following table summarizes key technical data:

Parameter	Value
Head (m)	3 ÷ 44
Capacity (m³/h)	4.2 ÷ 780
Max. liquid temperature (°C)	40
Outlet (mm)	65 ÷ 300
Max. immersion depth	7 m
Free passage (mm)	86 mm
Motor power (kW)	1.5 ÷ 45
Efficiency class	IE3
Insulation class	H
Poles	4
Protection rating	IP68
Voltage	Three-phase 3~380/400/415V
Starting method	1.5 - 7.5 kW - DOL 11 - 45 kW - Y/Δ

Performance Curve Description

The document includes a performance curve graph illustrating the relationship between Total Head (in meters) and Capacity (in m³/h) for various EBARA DKE pump models. The graph displays multiple curves, each representing a specific DKE model (e.g., DKE 51.5, DKE 51.8, DKE 51.1, DKE 57.5, DKE 55.5, DKE 53.7, DKE 52.2), indicating their operational performance ranges across different flow rates and head pressures.

Pump Design and Components

The DKE series features innovative design elements for enhanced performance and reliability:

Suction Channel (ROWEK SSAWNY): A groove located on the suction cover facilitates the removal of foreign objects.
PIN: A guide pin works in conjunction with the impeller, directing foreign objects towards the suction cover groove, thereby aiding their removal.
IE3 Class H Motor: New motors guarantee high efficiency and optimized energy consumption.
New Back-Swept Impeller (NOWY WIRNIK BACK-SWEPT): Features an innovative hydraulic system with a design that prevents clogging.

Applications

The DKE pumps are suitable for a variety of applications:

Drainage and Sewage Discharge

Sewage transport
Sewage treatment

Industry

Industrial liquid transport

Accessories

Elbow (for portable installation)
QDC Coupling Base (for stationary installation)

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EBARA DKE Series: High-Efficiency Submersible Pumps