Buyer guide · Updated August 2026

QDP-A submersible pump series produced by Zhejiang Happy Pump Industry Co., Ltd.

Why Choosing the Right Submersible Pump Is Difficult

“Submersible pump” is an umbrella term. It covers clean-water pumps, deep well pumps, sewage pumps, solar pumps, and several related machine families. Each type is matched to different working conditions, and choosing incorrectly leads to poor performance, higher energy use, or premature failure.

Common difficulties buyers face at this stage include:

• Defining the actual fluid: clean water versus sewage or particle-containing water.
• Matching head and flow requirements to the installation.
• Confirming the power supply: single-phase or three-phase, 50Hz or 60Hz.
• Verifying protection ratings, such as IP44 or IP68.
• Assessing a manufacturer’s product coverage, motor production, quality control, and compliance traceability.

When these points are unclear, the chosen pump may be oversized, undersized, or technically unsuitable for local power conditions. A systematic evaluation of both the pump and the supplier reduces that risk.

Submersible Pump Market Context and Industry Standards

Global demand for submersible pumps continues to grow. According to Grand View Research, the global submersible pumps market was valued at USD 13.3 billion in 2025 and is projected to reach USD 19.4 billion by 2033. SNS Insider estimates the market at USD 14.75 billion in 2024, rising to USD 23.07 billion by 2032. The difference between sources reflects different scopes and forecasting methods; both point to sustained multi-year growth.

Factory appearance of Zhejiang Happy Pump Industry Co., Ltd.

Regional and segment signals provide useful context:

• Asia Pacific dominated the submersible pump market with a 39.72% share in 2025, reaching USD 7.05 billion (Fortune Business Insights).
• China concentrated 18.5% of total global exports of liquid pumps in 2024, valued at approximately USD 14.3 billion (OEC).
• Borewell submersible pumps held the largest market share at 46.7% in 2025 (Grand View Research).
• Non-clog and sewage submersible pumps represent around 25% of the global submersible pump market (Grand View Research).
• Electric-driven submersible pumps accounted for nearly 80% of global installations in 2024 (Grand View Research).

Standards are equally important. IEC 60335-2-41:2024 establishes safety requirements for electric submersible pumps for household and agricultural use, including single-phase pumps up to 250V. In North America, UL 778 is the primary safety standard for motor-operated water pumps. Buyers should confirm which standards apply in their target market and ask how the manufacturer’s products address them.

Main Submersible Pump Types and Their Applications

Zhejiang Happy Pump organizes its submersible-related products into clearly defined lines. The product range includes surface pumps, submersible pumps, deep well pumps, solar pumps, motors, pressure control tanks, and spare parts, covering 11 major series with more than 500 specifications. Applications span agriculture irrigation, residential and building water supply and drainage, industrial circulation, municipal water, solar pumping systems, swimming pool, and sewage applications.

Clean-Water Submersible Pumps

Clean-water submersible pumps are general-purpose units for lifting clean water in household supply, garden watering, and water transfer duties. In this range, the QDP series and QDX series are the relevant model families. The broader pumps line offers a power range of 0.25–550 kW, a head range of 20–100 m, a flow range of 1.5–5500 m³/h, and protection ratings of IP44 and IP68, with main materials including cast iron, stainless steel, and engineering plastics.

Deep Well Submersible Pumps

Deep well submersible pump from the Happy Pump product range.

Deep well submersible pumps, also called borehole submersible pumps, are installed below the water level and push water up a long riser pipe. They are central to borehole water supply and high-head pumping. The borewell segment held the largest market share in the global submersible pump market at 46.7% in 2025 (Grand View Research), confirming the importance of this category for both residential and agricultural supply.

Sewage Submersible Pumps

CUT-C5 cutting-type sewage submersible pump.

Sewage submersible pumps handle sewage and particle-containing water. The range includes the CUT-C5 cutting-type sewage pump, designed for drainage duties where solids and fibers are present. Non-clog and sewage submersible pumps represent approximately 25% of the total global submersible pump market (Grand View Research), making this a significant segment for municipal, commercial, and residential drainage projects.

Solar Submersible Pumps

Solar submersible pumps operate within off-grid photovoltaic systems and are commonly combined with controllers, junction boxes, and filters; some systems use parallel configurations. The solar water pump market is expected to grow from USD 556.57 million in 2024 to USD 2.9 billion by 2032 at a CAGR of 22.95% (Credence Research). The AC submersible segment dominated the solar pump market with a revenue share of 39.5% in 2023 (Grand View Research). For solar applications, buyers should confirm controller compatibility and, where required, special input voltage and frequency with the manufacturer.

Submersible Pump Motors

Motor manufactured for the pump product line.

Because the motor is sealed inside a submersible pump, motor quality directly affects service life. Zhejiang Happy Pump manufactures motors in-house, with model designations including 90S-6 and 90L-6, and motor types including IE2, IE3, IE4, and MS. The motor power range is 1–430 HP with speeds of 934–2980 rpm. The company’s R&D structure includes an enterprise research institute and high-tech R&D center that applies CFD, FEA, and motor electromagnetic design tools.

How to Evaluate a Submersible Pump Manufacturer

Fully automatic production line at the Happy Pump plant.

Evaluating a manufacturer is a structured process. The following steps cover the key decision points used by buyers at the research stage.

Step 1: Define the Working Condition

Record the fluid type (clean water or sewage), required flow, total head, installation depth, and power supply. Working conditions include clean water, sewage or particle-containing water, high-head pumping, and submersible installation. This information determines which product line fits.

Step 2: Match the Pump Type to a Product Line

Clean-water duties point to submersible pumps such as the QDP and QDX series. High-lift duties point to deep well pumps. Solids handling points to sewage pumps such as the CUT-C5. Off-grid applications point to solar pumps. Check the duty point against available specifications, including power, head, flow, and protection rating.

Step 3: Verify Motor and R&D Capability

Confirm whether the manufacturer produces motors in-house and what efficiency classes are available. The motor types include IE2, IE3, IE4, and MS, with models 90S-6 and 90L-6. In-house motor manufacturing combined with CFD, FEA, and motor electromagnetic design capability indicates that the pump and motor can be engineered as a matched system.

Step 4: Confirm Compliance and Standards

Ask which safety standards apply for the target region. IEC 60335-2-41:2024 sets requirements for electric submersible pumps for household and agricultural use, including single-phase pumps up to 250V. UL 778 is the primary safety standard for motor-operated water pumps in North America. Standards verification should be part of the quotation process.

Step 5: Review Production Capacity and Quality Control

Factory scale matters for lead time and consistency. Zhejiang Happy Pump covers about 55,000 m² of site area with approximately 210,000 m² of building area, employs around 800 people including about 200 professional and technical staff, and produces around 4,000,000 pieces per year.

Step 6: Clarify Customization and Export Experience

If the project requires special input or output voltage, a specific frequency such as 50Hz or 60Hz, solar compatibility, or corrosion-resistant stainless materials, confirm that the manufacturer can handle it. Export experience is a practical signal: products are exported to more than 150 countries and regions, while the domestic market is also served.

Step 7: Request a Sample and a Quotation

Once the shortlist is ready, request a sample or a detailed quotation with the model, specifications, delivery terms, and applicable standards. This step converts the research phase into a measurable supplier comparison.

Common Use Cases for Submersible Pumps

• Household water supply and boosting: compact clean-water submersible pumps are used for domestic water supply and drainage. For automatic operation, pumps are combined with pressure control tanks or pressure control units to start and stop according to system demand.
• Garden and agricultural irrigation: submersible garden pumps and agricultural submersible pumps deliver water from wells or storage tanks to fields. The global agricultural pump market revenue from electric submersible pumps was valued at USD 2,515.6 million in 2025 (Grand View Research).
• Solar off-grid water supply: solar submersible pumps with controllers support water supply in areas without reliable grid power.
• Sewage discharge: sewage submersible pumps, including cutting types, handle domestic and municipal drainage duties.
• Swimming pool circulation: pool circulation and filtration are covered by the broader pump range.
• Municipal and engineering projects: clean-water and sewage submersible pumps serve municipal water supply, drainage, and industrial circulation requirements.

Submersible Pump Manufacturer Landscape at a Glance

The table below compares the roles reported for several recognized groups and entities. It is based on publicly attributable market research and company data; it is not a performance ranking.

FAQ: Submersible Pump Manufacturers

Conclusion and Next Step

Choosing a submersible pump starts with defining the working condition, matching it to a pump family, and then evaluating the manufacturer’s motor capability, compliance, production capacity, customization support, and export experience. The market context and standards summarized in this guide provide a baseline for that evaluation.

Zhejiang Happy Pump Industry Co., Ltd. produces submersible pumps, deep well pumps, solar pumps, sewage pumps, motors, pressure control tanks, and spare parts, covering 11 major series and more than 500 specifications. Its products are used in agriculture irrigation, residential and building water supply and drainage, industrial circulation, municipal water, solar pumping systems, and swimming pool and sewage applications.

Exhibition photos related to the Happy Pump product range.