WHBJL 8-50 - Permanent Magnet Variable Frequency Constant Pressure Centrifugal Pump is a reliable and efficient water pressure booster pump, using permanent magnet brushless motor, precision pressure sensor, combined with advanced electronic control technology, the intelligent frequency conversion, constant voltage speed regulation, energy saving and high efficiency are realized. Technical Specifications Parameter Specification Model MKAWA WHBJL 8-50 VFD Pump Type Horizontal Stainless Steel Multistage Centrifugal Pump Motor Power 3 HP Motor Type Permanent Magnet IE5 Control Built-in Intelligent VFD with PID Maximum Flow 12 m³/hr Maximum Head 60 m Voltage 220–240 V Single Phase or 380–415 V Three Phase (variant dependent) Frequency 50/60 Hz Maximum Working Pressure Up to 6–10 bar (depending on system design) Protection Class IP54/IP55 Insulation Class F Liquid Temperature Up to 70°C Control Signal Internal PID / External 4–20 mA Pressure Transmitter (where applicable) Key Features Intelligent VFD with constant-pressure PID control Permanent Magnet IE5 motor for high efficiency Automatic speed regulation based on water demand Soft start and soft stop Dry-run protection Overload, over-voltage, and under-voltage protection Low-noise operation Automatic sleep and wake-up mode Reduced energy consumption compared with fixed-speed pumps Typical Applications Large apartment complexes Hotels and hospitals Commercial buildings Industrial process water RO and DM water treatment plants HVAC circulation Pressure boosting from underground or overhead tanks Typical Performance Parameter Value Rated Flow 12 m³/hr Maximum Head 55 m Motor Rating 3 HP Recommended Operating Pressure 3.5–5.5 bar Duty Continuous (S1)

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WHBJL 4-30 - Permanent Magnet Variable Frequency Constant Pressure Centrifugal Pump is a reliable and efficient water pressure booster pump, using permanent magnet brushless motor, precision pressure sensor, combined with advanced electronic control technology, the intelligent frequency conversion, constant voltage speed regulation, energy saving and high efficiency are realized. Technical Specifications Parameter Specification Model MKAWA WHBJL 4-30 VFD Pump Type Horizontal Stainless Steel Multistage Centrifugal Pump Motor Power 1.5 HP Motor Type Permanent Magnet IE5 Control Built-in Intelligent VFD with PID Maximum Flow 8 m³/hr Maximum Head 50 m Voltage 220–240 V Single Phase or 380–415 V Three Phase (variant dependent) Frequency 50/60 Hz Maximum Working Pressure Up to 6–10 bar (depending on system design) Protection Class IP54/IP55 Insulation Class F Liquid Temperature Up to 70°C Control Signal Internal PID / External 4–20 mA Pressure Transmitter (where applicable) Key Features Intelligent VFD with constant-pressure PID control Permanent Magnet IE5 motor for high efficiency Automatic speed regulation based on water demand Soft start and soft stop Dry-run protection Overload, over-voltage, and under-voltage protection Low-noise operation Automatic sleep and wake-up mode Reduced energy consumption compared with fixed-speed pumps Typical Applications Large apartment complexes Hotels and hospitals Commercial buildings Industrial process water RO and DM water treatment plants HVAC circulation Pressure boosting from underground or overhead tanks Typical Performance Parameter Value Rated Flow 12 m³/hr Maximum Head 55 m Motor Rating 3 HP Recommended Operating Pressure 3.5–5.5 bar Duty Continuous (S1)

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WHBL 12-40 - Permanent Magnet Variable Frequency Constant Pressure Centrifugal Pump is a reliable and efficient water pressure booster pump, using permanent magnet brushless motor, precision pressure sensor, combined with advanced electronic control technology, the intelligent frequency conversion, constant voltage speed regulation, energy saving and high efficiency are realized. Technical Specifications Parameter Specification Model MKAWA WHBL 12-40 VFD Pump Type Horizontal Stainless Steel Multistage Centrifugal Pump Motor Power 3 HP (2.2 Kw) Motor Type Permanent Magnet IE5 Control Built-in Intelligent VFD with PID Maximum Flow 18 m³/hr Maximum Head 60 m Voltage 220–240 V Single Phase or 380–415 V Three Phase (variant dependent) Frequency 50/60 Hz Maximum Working Pressure Up to 6–10 bar (depending on system design) Protection Class IP54/IP55 Insulation Class F Liquid Temperature Up to 70°C Control Signal Internal PID / External 4–20 mA Pressure Transmitter (where applicable) Key Features Intelligent VFD with constant-pressure PID control Permanent Magnet IE5 motor for high efficiency Automatic speed regulation based on water demand Soft start and soft stop Dry-run protection Overload, over-voltage, and under-voltage protection Low-noise operation Automatic sleep and wake-up mode Reduced energy consumption compared with fixed-speed pumps Typical Applications Large apartment complexes Hotels and hospitals Commercial buildings Industrial process water RO and DM water treatment plants HVAC circulation Pressure boosting from underground or overhead tanks Typical Performance Parameter Value Rated Flow 18 m³/hr Maximum Head 55 m Motor Rating 3 HP (2.2 Kw) Recommended Operating Pressure 3.5–5.5 bar Duty Continuous (S1)

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