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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 | Water Temp. Range |
| PM VFD Constant Pressure Pump | PBG | PBG4-30 | 350 W | 2.2 m³/h | 20 m | 4 m³/h | 30 m | 220 V | 2.6 A | 2 | 1500~6500r/min | DN25 | F | 50Hz/60Hz | IPX4 | ≤50 ℃ |
The PBG4-30 is a high-performance model in the PBG series, a PM VFD Constant Pressure Pump optimized for clean water transfer in homes and small commercial spaces. It features a 350W power rating, 2.2 m³/h rated flow (higher than entry-level pumps for multi-point use), and 20 m rated head—with maximums of 4 m³/h flow and 30 m head to handle peak demand. It runs on 220V voltage (2.6A rated current), has a 2-stage impeller, and supports a wide speed range of 1500~6500 r/min for precise pressure control.
Unlike self-priming models, it prioritizes flow optimization and operates with water temperatures up to 50℃ (ideal for cool-to-moderate water systems). Safety and compatibility are also strengths: DN25 inlet/outlet, insulation class F (resists overheating), IPX4 protection (safe for damp areas), and compatibility with clean water (≤0.1% solid impurities, particle size ≤0.2mm). It works with 50Hz/60Hz power systems, making it suitable for global markets.
The PBG4-30 is built for scenarios where water sources are easily accessible (e.g., ground-level tanks, municipal supply) but consistent pressure across multiple outlets is critical. It focuses on flow efficiency and adaptability, making it perfect for homes or offices with simultaneous water usage.
With a 2.2 m³/h rated flow, it outperforms many residential pumps in handling multiple water outlets. For example, it maintains stable pressure when a shower (second floor), washing machine (first floor), and kitchen tap (ground floor) are used at the same time—eliminating the “low flow” issue common in smaller pumps.
Its 1500~6500 r/min speed range is wider than most competitors, letting it adjust to varying demand:
• Slow speeds (1500~3000 r/min) for single-tap use (saves energy and reduces noise).
• High speeds (4000~6500 r/min) for peak hours (ensures no pressure drops).
As a PM VFD pump, it operates at low noise levels—critical for living spaces (e.g., bedrooms near utility rooms) or offices. Insulation class F protects the motor from overheating during extended use, while IPX4 protection safeguards against splashing water. The 2-stage impeller is designed for durability, reducing maintenance needs.
• Duplex & Large Flats: The 2.2 m³/h flow handles 4~6 water outlets (taps, showers, appliances), ensuring consistent pressure across floors.
• Home Hot Water Systems: Circulates hot water (≤50℃) from heaters to taps, cutting wait times for hot water and reducing energy waste from re-heating.
• Roof Tank Supply: Pushes water from ground-level pumps to roof tanks and maintains pressure for downward flow to taps, ideal for homes with elevated storage.
• Industrial Equipment Cooling: Circulates cool water (≤50℃) to small machines (e.g., laser printers, small motors), preventing overheating and extending equipment life.
• Bath Clubs & Spas: Supplies stable pressure for handwashing and low-temperature hot water baths (≤50℃), ensuring a smooth user experience.
• Solar/Air Energy Circulation: Works with solar water heaters or air-source heat pumps to transfer water, leveraging its consistent flow to maximize heat efficiency.
Under Floor Heating Circulation
Cooling Of Industrial Equipment
Hot Water Facilities For Bath Places/Clubs
Solar Energy Circulation
Air Energy Circulation
Water Supply From The Water Tower
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Its 2.2 m³/h rated flow is tailored for multi-point use—duplexes often have simultaneous water demand (e.g., morning showers + kitchen use). The pump’s variable speed adjusts to this demand, so no outlet experiences low flow, unlike smaller pumps that struggle with peak usage.
Yes—its ≤50℃ water temperature range is perfect for cooling small industrial equipment (e.g., electronic components, small motors) that requires moderate-temperature water. IPX4 protection also makes it safe for factory utility areas with dampness.
• Mount the pump on a flat, stable surface to reduce vibration (prevents noise and mechanical damage).
• Add an inlet filter to block impurities >0.2mm—this preserves the 2-stage impeller’s performance.
• Ensure the motor shaft is horizontal—misalignment causes wear on bearings and shortens lifespan.
• Confirm the power supply is 220V before wiring—using incorrect voltage will destroy the motor.
| 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 | Water Temp. Range |
| PM VFD Constant Pressure Pump | PBG | PBG4-30 | 350 W | 2.2 m³/h | 20 m | 4 m³/h | 30 m | 220 V | 2.6 A | 2 | 1500~6500r/min | DN25 | F | 50Hz/60Hz | IPX4 | ≤50 ℃ |
The PBG4-30 is a high-performance model in the PBG series, a PM VFD Constant Pressure Pump optimized for clean water transfer in homes and small commercial spaces. It features a 350W power rating, 2.2 m³/h rated flow (higher than entry-level pumps for multi-point use), and 20 m rated head—with maximums of 4 m³/h flow and 30 m head to handle peak demand. It runs on 220V voltage (2.6A rated current), has a 2-stage impeller, and supports a wide speed range of 1500~6500 r/min for precise pressure control.
Unlike self-priming models, it prioritizes flow optimization and operates with water temperatures up to 50℃ (ideal for cool-to-moderate water systems). Safety and compatibility are also strengths: DN25 inlet/outlet, insulation class F (resists overheating), IPX4 protection (safe for damp areas), and compatibility with clean water (≤0.1% solid impurities, particle size ≤0.2mm). It works with 50Hz/60Hz power systems, making it suitable for global markets.
The PBG4-30 is built for scenarios where water sources are easily accessible (e.g., ground-level tanks, municipal supply) but consistent pressure across multiple outlets is critical. It focuses on flow efficiency and adaptability, making it perfect for homes or offices with simultaneous water usage.
With a 2.2 m³/h rated flow, it outperforms many residential pumps in handling multiple water outlets. For example, it maintains stable pressure when a shower (second floor), washing machine (first floor), and kitchen tap (ground floor) are used at the same time—eliminating the “low flow” issue common in smaller pumps.
Its 1500~6500 r/min speed range is wider than most competitors, letting it adjust to varying demand:
• Slow speeds (1500~3000 r/min) for single-tap use (saves energy and reduces noise).
• High speeds (4000~6500 r/min) for peak hours (ensures no pressure drops).
As a PM VFD pump, it operates at low noise levels—critical for living spaces (e.g., bedrooms near utility rooms) or offices. Insulation class F protects the motor from overheating during extended use, while IPX4 protection safeguards against splashing water. The 2-stage impeller is designed for durability, reducing maintenance needs.
• Duplex & Large Flats: The 2.2 m³/h flow handles 4~6 water outlets (taps, showers, appliances), ensuring consistent pressure across floors.
• Home Hot Water Systems: Circulates hot water (≤50℃) from heaters to taps, cutting wait times for hot water and reducing energy waste from re-heating.
• Roof Tank Supply: Pushes water from ground-level pumps to roof tanks and maintains pressure for downward flow to taps, ideal for homes with elevated storage.
• Industrial Equipment Cooling: Circulates cool water (≤50℃) to small machines (e.g., laser printers, small motors), preventing overheating and extending equipment life.
• Bath Clubs & Spas: Supplies stable pressure for handwashing and low-temperature hot water baths (≤50℃), ensuring a smooth user experience.
• Solar/Air Energy Circulation: Works with solar water heaters or air-source heat pumps to transfer water, leveraging its consistent flow to maximize heat efficiency.
Under Floor Heating Circulation
Cooling Of Industrial Equipment
Hot Water Facilities For Bath Places/Clubs
Solar Energy Circulation
Air Energy Circulation
Water Supply From The Water Tower
Our Certificate

Packing & Shipping
|
|
PAYMENT T/T,Westem Union,MoneyGram,Paypal

DELIVERY Safe,Fast,and Effective


Its 2.2 m³/h rated flow is tailored for multi-point use—duplexes often have simultaneous water demand (e.g., morning showers + kitchen use). The pump’s variable speed adjusts to this demand, so no outlet experiences low flow, unlike smaller pumps that struggle with peak usage.
Yes—its ≤50℃ water temperature range is perfect for cooling small industrial equipment (e.g., electronic components, small motors) that requires moderate-temperature water. IPX4 protection also makes it safe for factory utility areas with dampness.
• Mount the pump on a flat, stable surface to reduce vibration (prevents noise and mechanical damage).
• Add an inlet filter to block impurities >0.2mm—this preserves the 2-stage impeller’s performance.
• Ensure the motor shaft is horizontal—misalignment causes wear on bearings and shortens lifespan.
• Confirm the power supply is 220V before wiring—using incorrect voltage will destroy the motor.