Electric Water Pump · Buyer Discovery Guide

An electric water pump is a motor-driven machine that converts electrical energy into hydraulic energy to lift, transfer, or pressurize water. It moves water from a source — a well, a tank, a reservoir, a municipal main, or a drainage pit — to a point of use or discharge. Because the term describes the power source rather than the hydraulic duty, it covers many different pump families that are installed in different positions, handle different liquids, and are selected against different flow and head requirements.

This guide is written for importers, distributors, brand owners, and procurement researchers who are still in the awareness and research stage: you know a pump is needed, but the family, the duty point, and the supplier profile are not fixed yet. It covers what electric water pumps are, how the market is structured, the main product families in the CHIMP electric water pump range, a step-by-step selection sequence, typical applications, a comparison table, and the checks that help screen an electric water pump manufacturer before requesting samples.

CHIMP PUMPS — electric water pumps for household, agricultural, commercial and other water applications.

Why "electric water pump" is a difficult starting point

The short answer: the term tells you how the pump is powered, not what the pump must do. Two units with the same motor power rating can deliver very different flow and head combinations and may not be interchangeable at all. The QB vortex surface pump and the QT self-priming pump are both available from 0.37 kW to 0.75 kW, yet one is a compact vortex surface pump for small living water supply and the other is a self-priming unit for lifting water from a well, garden irrigation, and pressure boosting of running water.

Three issues make the discovery stage harder than it looks:

• Situation words instead of technical words. Buyers search with the situation — "water pump for house", "home water pump", "irrigation pump", "agriculture water pump", "submersible pump for home" — while manufacturers distinguish products by working principle and installation position. Terminology also varies by market: a compact single-body surface pump may be listed as a vortex pump, a peripheral pump, or a monoblock pump.
• A power rating is not a duty point. Motor power in kW or HP only sets the energy input. The real selection data are the required flow and the required head, and these two values trade off against each other on the performance curve of every model.
• Installation position changes everything. Surface pumps stand above the water and draw through suction; the surface models in the CHIMP range are specified with a maximum suction lift of 8 to 9 m depending on the series. Submersible pumps work directly underwater: the QDX, V, and WQ submersible pumps are designed for a maximum immersion depth of 5 m, while borehole submersible pumps are designed for a design immersion depth of up to 100 m.

What this means in practice: a discovery-stage buyer should answer three questions in order — surface or submersible, clean water or dirty water, and which flow and head the system needs. Model family, model number, and supplier shortlisting all follow from those answers.

Industry background: a large, centrifugal-dominated market

The global water pump market was estimated at USD 76.1 billion in 2026, according to commercial market research published by Grand View Research / Business Research Insights. The same research places centrifugal pumps at 66.4% of global water pump market revenue in 2025, which makes centrifugal designs — single-stage and multistage, surface and submersible — the dominant family a buyer will meet when screening suppliers.

On the supply side, China remains a major source. According to customs data published by the General Administration of Customs China (GACC), China's centrifugal pump exports under HS 841370 reached USD 5.3 billion in 2024. A significant share of this supply is concentrated in manufacturing clusters in Zhejiang Province, including Wenling City in Taizhou, where casting capacity, motor production, and component suppliers sit close together.

CHIMP PUMPS is the brand name of Zhejiang Qiantao Pumps Co., Ltd., a water pump manufacturer established in 1998 with headquarters and manufacturing located in Wenling City, Zhejiang Province, China. The company operates as a production-oriented manufacturer of electric water pumps with in-house production capability. Its manufacturing facility covers 140,000 m² and employs approximately 630 staff, producing about 3,000,000 units of water pumps and electric motors per year, with 75 engineers working inside the CHIMP Technology Center. About 70% of output is exported, with main markets across Asia, Europe, the Middle East, South America, and Africa.

Electric water pump families and their typical duties

Once surface or submersible installation is decided, the next step is family classification. All of the families below are part of the CHIMP electric water pump range, which also covers swimming pool pumps and electric motors, and is documented in media materials that include OEM water pumps.

Vortex surface pumps

Model QB is a surface pump in the vortex pump category. It is a compact unit used for small living water supply, automatic water sprinkler systems, small air-conditioner systems, and supporting equipment, and it is frequently described in buyer language as a booster pump for household water pressure. The series covers 0.37–0.75 kW (0.5–1 HP), with a flow range of 35–60 L/min, a head range of 35–50 m, a maximum suction lift of 8 m, and IPX4 motor protection. The pump body and support are cast iron and the motor uses copper winding.

Self-priming pumps

Model QT is a self-priming pump designed for residential water supply and irrigation. It covers 0.37–0.75 kW (0.5–1 HP), 2–3 m³/h, a head range of 30–40 m, and a maximum suction lift of 8 m. It transfers clean water and liquids with similar physical and chemical properties, and is suitable for lifting water from a well, sprinkler irrigation in a garden, pressure boosting of running water, and supporting equipment.

Model WZB is an intelligent self-priming pump that adds automatic water-supply control: the pump starts and stops according to water demand and includes dry-run protection, anti-jamming protection, and built-in thermal protection. Its published range is 0.128–1.5 kW (0.17–2 HP), 25–100 L/min, a head range of 25–60 m, a maximum suction lift of 8 m, a liquid temperature range of 0–80°C, and a liquid pH range of 6.5–8.5. This is the family most often searched as an "automatic water pressure pump for home" or a "smart pump": the underlying buyer need is not a specific model number but a supply that holds pressure without manual switching.

Jet pumps and automatic pump stations

Model Jet is a self-priming jet pump covering 0.45–1.5 kW (0.6–2 HP), a flow range of 30–80 L/min, a head range of 36–65 m, and a maximum suction lift of 9 m. Typical duties are water supply from wells, household water supply, garden irrigation, pressure boosting, and water transfer from wells or tanks.

Model STP is a self-priming jet pump with a stainless steel pump body, covering 0.37–1.1 kW (0.5–1.5 HP), 40–60 L/min, a head range of 30–55 m, and a maximum suction lift of 9 m. It is applied to water supply from wells, household water supply, garden irrigation, pressure boosting, and water transfer.

Model AUJET is a jet pump configured as an automatic pump station. It combines a pump, a pressure tank, a pressure switch, and a pressure gauge in one set, and is supplied with most of the main components already assembled. Tank sizes of 19 L, 24 L, and 50 L are available, with 0.37–1.1 kW (0.5–1.5 HP), 40–60 L/min, a head range of 30–55 m, and a maximum suction lift of 9 m. Typical applications include household water supply, water supply from wells, garden irrigation, and water supply for showers and taps.

Jet pump and self-priming families for household water supply, well water, and garden irrigation.

Centrifugal pumps: single-stage and multistage

Model CPM is a centrifugal pump for transferring clean water and liquids with similar physical and chemical properties. It covers 0.37–1.5 kW (0.5–2 HP), a flow range of 80–140 L/min, a head range of 20–40 m, and a maximum suction of 8 m. Applications include industrial and urban water supply, building water supply, fire fighting, garden irrigation, long-distance water transfer, heating and air-conditioning systems, water circulation, and cold and hot water boosting.

Model MHF is a horizontal centrifugal water pump covering 0.75–3.0 kW (1.0–4.0 HP), a flow range of 350–900 L/min, a head range of 12–18 m, a maximum suction lift of 8 m, and inlet/outlet sizes from 2" × 2" to 4" × 4". Typical duties are domestic water supply, urban water-supply systems, industrial water transfer, pressure boosting for high-rise buildings, fire-fighting water systems, long-distance water transfer, heating and ventilation, air-conditioning circulation, hot-water circulation, and agricultural irrigation, with liquid temperatures up to +40°C and protection class IPX4.

Model HM/VM is a vertical multistage centrifugal pump covering a rated power of 0.37–3.0 kW, rated flow of 2–12 m³/h, and rated head of 17–81 m at 3000 rpm, with 220 V/50 Hz or 380 V/50 Hz supply and a maximum working pressure of 1.0 MPa. The multistage design suits building water supply, high-rise building water supply, main pipeline pressure boosting, industrial process water systems, boiler feed water, reverse osmosis and ultrafiltration systems, cleaning and high-pressure flushing systems, fire protection systems, cooling and air-conditioning systems, and swimming pool water treatment.

Centrifugal and multistage centrifugal pumps for building water supply, pressure boosting, and water transfer.

Clean-water submersible pumps

Model QDX is a vertical submersible pump for clean water service. It works directly underwater, covers 0.25–2.2 kW (0.34–3 HP), a flow range of 1.5–65 m³/h, and a head range of 7–32 m, with a maximum immersion depth of 5 m, an 8 m cable, and IPX8 protection. The motor is a single-phase, water-cooled, copper-wound unit with a built-in thermal protector, and a double sealing structure separates the motor from the pumped water. It is used for household water drainage, farmland irrigation, construction sites, industrial and mining sites, water tanks and water collection systems, ship and marine water drainage, and general water transfer.

Submersible sewage pumps

Model V is a submersible sewage pump for wastewater drainage and sewage transfer, covering 0.18–2.2 kW (0.25–3 HP), a flow range of 8–40 m³/h, a head range of 7–17 m, a maximum immersion depth of 5 m, outlet sizes from ½" to 3", and a liquid pH range of 4–10. It is applied in construction sites, factories, commercial buildings, municipal projects, and residential drainage systems.

Model WQ is a heavy-duty submersible sewage pump for industrial, mining, and construction drainage, covering 0.75–18.5 kW (1–25 HP), a flow range of 6–180 m³/h, a head range of 8–75 m, outlet sizes from 2" to 6", and IPX8 protection. The pump body, impeller, and motor housing are cast iron, with a copper-wound motor and a stainless steel or 45# steel shaft. It is suitable for sewage, wastewater, mine drainage, construction sites, tunnels, and wells.

Submersible sewage pumps for wastewater transfer, residential drainage, and heavy-duty drainage duty.

Borehole submersible pumps

Borehole submersible pumps (model designation SDM/SP/SR/SD/ST/SK/QGD) are stainless steel pumps for water supply from wells and reservoirs, covering a power range of 0.25 hp to 25 hp with a design immersion depth of up to 100 m. They are available with rewindable or screen-type motors in both single-phase and three-phase versions, for domestic, civil, industrial, garden, and irrigation water supply. Start control boxes, digital auto-control boxes, special mechanical seals, and other voltage or 60 Hz options are available on request.

Step-by-step: how to select an electric water pump

The sequence below turns an open discovery question into a shortlist that can be quoted, sampled, and tested.

1. Define the water source and the installation position. A well, tank, or reservoir with the water level within the suction limit of a surface pump usually allows a surface model. Deeper sources, flooded pits, or installations where the pump must sit inside the water point toward the submersible families.
2. Estimate the required flow. Flow is expressed in L/min or m³/h. In a household it is driven by the number of outlets used at the same time; in irrigation it follows the area to be watered and the application method; in drainage it follows the volume to be removed and the acceptable emptying time.
3. Estimate the required head. Head combines vertical lift, pipe and fitting losses, and the discharge pressure needed at the outlet. Too little head leaves taps or sprinklers under pressure; too much head moves the duty point away from the useful part of the curve.
4. Check the suction limit. Surface models in this range are specified with a maximum suction lift of 8–9 m. If the real vertical distance is greater, or the suction line is long, a submersible family is the correct answer instead of stretching a surface pump.
5. Check the liquid. Clean water, wastewater with particles, and sewage with solids require different families. Temperature and pH limits also matter: the WZB self-priming pump accepts liquid temperatures of 0–80°C and pH 6.5–8.5, the HM/VM multistage pump is rated to 70°C, the MHF and WQ pumps are rated to +40°C, and the V sewage pump accepts a pH range of 4–10.
6. Check the electrical supply and protection. Confirm whether single-phase or three-phase power is available — the HM/VM pump is offered with 220 V/50 Hz or 380 V/50 Hz supply, and the borehole range offers 60 Hz and other voltage options on request. Protection class and insulation class should match the installation: IPX4 for surface models, IPX8 for submersible models, and insulation class B or F.
7. Shortlist models and request documents. Match the shortlist against published flow and head ranges, then request the model datasheet, performance curve, nameplate data, and test report before placing an order.

Typical use cases

Household water supply and pressure boosting

The AUJET automatic pump station, the WZB intelligent self-priming pump, the QB vortex surface pump, and the Jet and STP self-priming jet pumps are the models commonly applied to home water pump duty: water supply from wells, showers and taps, garden irrigation, small buildings, and apartments, plus household appliances that need stable water pressure. In buying language, the same requirement appears as "water pump for house", "home water pump", "automatic water pressure pump for home", or "booster pump".

Household and residential water pressurization — a common discovery-stage application for automatic pump stations.

Agriculture and garden irrigation

Irrigation duty is defined by the water source and the distribution method. The QDX clean-water submersible pump (flow 1.5–65 m³/h, head 7–32 m) and the STP jet pump (flow 40–60 L/min, head 30–55 m) are examples of models applied to irrigation water supply, while the QT self-priming pump is used for sprinkler irrigation in a garden and the MHF centrifugal pump lists agricultural irrigation among its applications. Search terms such as "irrigation pump", "agriculture water pump", and "garden irrigation pump" map to this group.

Agricultural irrigation duty — typically a mix of submersible, jet, and centrifugal pump families.

Wastewater and sewage transfer

The V series submersible sewage pump covers wastewater drainage and sewage transfer for construction sites, factories, commercial buildings, municipal projects, and residential drainage systems, while the WQ heavy-duty submersible sewage pump is intended for industrial, mining, and construction drainage, including sewage, mine drainage, tunnels, and wells.

Borehole and deep-well water supply

Borehole submersible pumps handle water supply from wells and reservoirs for domestic, civil, industrial, garden, and irrigation use, with a power range of 0.25 hp to 25 hp and stainless steel construction for a design immersion depth of up to 100 m.

Commercial and industrial water systems

The HM/VM vertical multistage pump and the MHF and CPM centrifugal pumps serve building water supply, high-rise pressure boosting, industrial process water systems, boiler feed water, reverse osmosis and ultrafiltration systems, cleaning and high-pressure flushing, fire protection, cooling and air-conditioning, and swimming pool water treatment.

Comparison table: CHIMP electric water pump families at a glance

The table below uses published specifications of the CHIMP models listed. Final selection must be confirmed against the model performance curve for the actual duty point.

Note on the borehole range: the published data for the borehole submersible pump series is a power range of 0.25–25 hp in stainless steel construction with a design immersion depth of up to 100 m. Flow and head are confirmed per individual model, so these two columns are intentionally left open rather than estimated.

How to evaluate an electric water pump manufacturer at the discovery stage

Supplier screening during the research stage should be based on verifiable capability rather than on the length of a catalogue. The checks below follow the order that most buyers use before moving to quotation and sampling.

• Manufacturer or intermediary. Confirm whether the supplier manufactures in its own factory. Zhejiang Qiantao Pumps Co., Ltd. operates as a manufacturer of electric water pumps with in-house production capability, with headquarters and manufacturing in Wenling City, Zhejiang Province, China.
• Production scale. The company's facility covers 140,000 m², employs approximately 630 staff, and produces about 3,000,000 units of water pumps and electric motors per year, supported by 75 engineers in the CHIMP Technology Center.
• Portfolio fit with the application. Check whether one supplier can cover the family you need: main products include surface pumps, centrifugal pumps, JET pumps, self-priming pumps, multistage pumps, submersible pumps, sewage pumps, borehole pumps, swimming pool pumps, and electric motors, covering household, agricultural, commercial, and other water applications.
• Certifications. The company profile states that CHIMP products and management systems hold CE, ISO 9001, CB, SA8000:2014, ISO 14001, and ISO 45001 certifications. Because scope is model-specific, always ask for the certificate covering the exact model.
• Model-level documentation. Request the datasheet, performance curve, nameplate data, and test report for the specific model, and check that the nameplate matches the published curve before qualification.
• OEM and ODM support. Logo customization is available on the carton and pump nameplate, and customers can provide their own packaging design. For orders of more than 500 units, customized color cartons are available free of charge. Special molds or customized configurations are discussed per project.
• MOQ and sampling. The stated MOQ is 50 units per model. Samples are provided together with test reports and are normally ready for shipment within 7 days.
• Warranty and after-sales. Copper-wire motor pumps carry a 12-month warranty, with replacement parts provided first when a quality issue is caused by production or materials, followed by step-by-step maintenance video guidance and technical support.

OEM water pump support: logo on carton and pump nameplate, customer packaging design, and customized color cartons for larger orders.

Frequently asked questions

Conclusion: classify first, then compare

Electric water pump selection becomes manageable once the term is broken into decisions. Classify the requirement by installation position — surface or submersible — then by liquid — clean water, wastewater, or sewage — and then by the duty point, where flow and head must both be satisfied by the same model. Only after that does it make sense to compare families, models, and suppliers.

The CHIMP electric water pump range covers the discovery-stage families discussed here, from vortex, self-priming, and jet surface pumps to centrifugal and multistage centrifugal pumps, and from clean-water and sewage submersible pumps to borehole submersible pumps up to a 0.25–25 hp power range, backed by in-house manufacturing in Wenling City, Zhejiang Province, China.

From discovery to evaluation: request a sample, the model datasheet, and a quotation for the pump family that matches your duty point.