ZB5-45 SS Self-Priming Pump
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ZB5-45 SS Self-Priming Pump

Usage Scenarios
It is most widely used in places with clean water as the main medium, such as household water, small office buildings, and rural buildings.

Product Attributes
The temperature of the conveying medium shall not exceed 60 ℃;
The pH value of the medium is between 6.5 and 8.5.
The volume ratio of solid impurities in water shall not exceed 0.1%, and the particle size shall not exceed 0.2mm.
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Product Name Series Model Power
(w)
Rated Flow
(m³/h)
Rated Head
(m)
Max Flow
(m³/h)
Max Head
(m)
Rated Voltage
(V)
Rated Current
(A)
Impeller
(Stages)
Speed Range
(r/min)
Inlet/Outlet Size Insulation Class
Frequency
Protection Level Self-priming Height Water Temp. Range
PM VFD Self-Priming Constant Pressure Pump ZB ZB5-45 600 W 3 m³/h 23 m 5 m³/h 45 m 220 V 4.6 A 3 2500~5600r/min DN25 F 50Hz/60Hz IPX4 5 m ≤60 ℃


Product Overview


Basic Introduction

The ZB5-45 PM VFD Self-Priming Constant Pressure Pump is a specialized self-priming device from the ZB series, engineered for clean water scenarios where water sources are below the pump (e.g., wells, underground tanks). Unlike non-self-priming pumps, it eliminates the need for manual priming, making it a top choice for rural homes, villas, and small office buildings. It adheres to strict medium standards: water temperature ≤60℃, pH 6.5–8.5, and solid impurities ≤0.1% (particle size ≤0.2mm).


Core Specifications

Power: 600 W (higher power for self-priming efficiency)

Rated Flow: 3 m³/h; Maximum Flow: 5 m³/h

Rated Head: 23 m; Maximum Head: 45 m

Unique Feature: 5 m self-priming height (critical for well water extraction)

Electrical/Structural: 220 V, 4.6 A, 3-stage impeller, 2500–5600 r/min speed range, DN25 inlet/outlet, F-class insulation, IPX4 protection


Key Features


5 m Self-Priming Function

The ZB5-45’s standout advantage is its 5 m self-priming height, allowing it to draw water from wells or underground tanks without pre-filling the pump. This solves a common pain point of traditional pumps—no more manual water pouring to start operation, saving time and effort for rural or well-water users.


Balanced Power & Flow

With 600 W power and 3 m³/h rated flow, it balances performance and energy efficiency. For example, a rural home with 4–5 people can use it for well water extraction (supplying 200–300L daily) and household taps, while the 23 m rated head ensures water reaches upper floors (2–3 stories) without pressure loss.


Constant Pressure & Low Noise

The PM VFD technology maintains constant water pressure (even when multiple faucets are used simultaneously), preventing sudden flow drops. Its noise level is ≤55dB—quieter than a typical kitchen fan—making it suitable for installation near living areas (e.g., garages or utility rooms).


Scenario-Specific Solutions


Well Water Extraction for Rural Homes

Rural areas often rely on well water, but traditional pumps require priming and struggle with low water levels. The ZB5-45’s 5 m self-priming height easily draws water from wells 3–4 m deep, supplying clean water for drinking, cooking, and bathing. It also works with shallow groundwater tanks, eliminating the need for expensive submersible pumps.


Villa & Duplex Water Tank Pressurization

Many villas use rooftop or underground tanks for water storage. The ZB5-45 boosts pressure from tanks to faucets, showers, and swimming pool fillers—its 45 m maximum head handles 3–4 story villas, while the constant pressure feature ensures consistent shower flow (no cold/hot water fluctuations).


Small-Scale Commercial Hot Water Supply

For bath clubs or small hotels (5–10 rooms), the pump circulates hot water between boilers and showerheads. Its ≤60℃ water temperature limit matches typical hot water systems, and the 5 m³/h maximum flow meets peak demand (e.g., evening bathing hours).


Under Floor Heating Circulation

Under Floor Heating Circulation

Cooling Of Industrial Equipment

Cooling Of Industrial Equipment

Hot Water Facilities For Bath Places/Clubs

Hot Water Facilities For Bath Places/Clubs

Solar Energy Circulation

Solar Energy Circulation

Air Energy Circulation

Air Energy Circulation

Water Supply From The Water Tower

Water Supply From The Water Tower


Our Certificate

certificates


Packing & Shipping

Packing & shipping

Packing & shipping

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