DyuSmart

High-speed submersible pump

DWH3-125-2.2SI

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The DWH3-125-2.2SI is a submersible borehole pump designed for clean water supply from deep wells to private houses, cottages, summer homes, and small utility properties. This model is intended for applications where strong pressure is required to lift water from depth and deliver it reliably throughout the water system.

With its combination of steady flow and high head, the DWH3-125-2.2SI is well-suited for domestic water supply systems that need dependable performance in everyday use. It can be used to provide water for showers, kitchens, bathrooms, household needs, irrigation, and storage tanks. For homeowners, this means stable water delivery and comfortable daily operation. For drilling and installation professionals, it is a practical solution for projects where a high-head pump is needed in a compact borehole format.

The pump is suitable for deep-well applications where reliable pressure is especially important. It can be used both in new water supply systems and as a replacement for previously installed equipment. Its design makes it a versatile choice for a wide range of borehole conditions and water supply tasks, allowing one model to cover several common installation needs.

DWH3-125-2.2SI is built for clean water service and for long-term operation in residential and light utility applications. It combines the performance expected from a deep-well pump with the straightforward operation and reliability valued by both end users and professional installers. As a result, it is a strong choice for customers who need confident water lifting performance and for contractors who need a clear, dependable pump selection for private well systems.

 

No. Flow Q (m³/h) Head H (m) Voltage V (V) Current I (A) Power P1 (W) Power Factor COSφ Speed n (rpm) Efficiency Eff (%)
1 6.53 2.630 235.4 11.760 1586.50 0.57 0.0 3.00
2 6.04 29.460 236.7 13.270 1863.40 0.59 0.0 26.20
3 5.53 51.490 237.2 14.400 2120.90 0.62 0.0 36.50
4 5.00 72.090 235.3 15.630 2318.80 0.63 0.0 42.40
5 4.54 87.900 235.1 16.440 2440.60 0.63 0.0 44.60
6 4.00 105.550 235.1 17.070 2522.80 0.63 0.0 45.60
7 3.46 120.030 235.3 16.940 2540.90 0.64 0.0 44.50
8 2.92 130.850 235.5 16.480 2507.60 0.65 0.0 41.60
9 2.13 139.210 235.6 15.530 2346.50 0.64 0.0 34.40
10 0.00 144.510 236.4 12.240 1736.70 0.60 0.0 0.00

Performance Curve Description

The performance chart shows the pump’s main operating characteristics.

The red Q-H curve represents the relationship between flow rate (Q) and head (H). It shows how the pump head changes as water flow increases. This is the main curve used for pump selection according to the required duty point.

The black Q-P1 curve shows input power (P1) versus flow rate. It indicates how much electrical power the pump consumes at different operating points.

The black Q-EFF curve shows efficiency versus flow rate. It helps identify the pump’s most efficient operating range for stable, economical performance.

Performance Match Overview

As shown on the performance chart, the DWH3-125-2.2SI covers the operating range of all reference models marked by the red points. Its head-flow curve passes through and beyond these duty points, which means one pump model can serve as a practical replacement option across several common application requirements.

This makes the DWH3-125-2.2SI a convenient choice for distributors, drilling contractors, and installers who need a flexible high-head solution for different borehole projects. Instead of selecting multiple nearby models for similar operating conditions, this pump provides broad coverage within one performance range.

With strong head performance and stable operation at the marked duty points, the DWH3-125-2.2SI is suitable for replacement, project matching, and standardization where several commonly used pump positions need to be covered by a single model.

Technical specifications

Pump type-Submersible

Number of phases-1

Maximum power consumption – 2600 W

Maximum sand content – 100g/m3

Maximum pressure – 150 m

Maximum flow – 6.5  m³/hour

Maximum flow, l/min – 108

Housing material

Stainless steel

Mounting-built-in

Shaft power P2 – 2400 W

Nominal voltage – 200-240 V.

Nominal pressure – 125 m

Nominal current consumption – 18 A

Nominal flow – 3 m³/hour

Nominal flow, l/min – 50

Country (class) of protection – IP 68

Country – Denmark, Mexico, Germany

Temperature of the pumped liquid, 1ºС-Up to 35°С

Product type – Borehole

Noise level-Up to 70 dB

Microphone frequency-Up to 10700 rpm

Network frequency – 50 Hz

Number of stages – 8

Warranty – 2 years

Item number – DWH3-125-2.2SI

Groundwater, underground water

Cable length – 2 m

Dimensions:

Weight – 7 kg

Height – 1000 mm

Discharge pipe diameter – 32 mm

Width – 75 mm

Length – 1000 mm

Pump diameter, mm – 75

Packaging dimensions:

Product weight with packaging – 8.3 kg

Packaging height – 113 mm

Packaging length – 1100 mm

Packaging width – 113 mm

The borehole pump DWH3-125-2.2SI is designed to pump clean liquids that do not contain solid particles or fibers. It is used to supply groundwater to water supply systems of private houses, small water supply stations, and irrigation systems.

The pump operates at a variable speed, which is achieved by adjusting the frequency. As a result, the device can be configured to operate at any operating point between the minimum and maximum operating characteristics.

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