Pressure Booster Pump

This Pressure Booster Pump is compact for easy installation. With premium hydraulic design, it offers higher efficiency and stable operation. Self-priming for hot & cold clean water, it is a proven durable model.Ambient temp up to 40℃, liquid up to 90℃. Fits clean water pH6.5–8.5, impurity ≤0.1%, particles ≤0.15mm. Class B insulation, IP44 protection.Great for home water boosting, tanks, solar systems, showers & gas heaters. Also for well water & garden irrigation. Pressure switch & tank enable smooth auto operation, validated by 30-day running test.

Compact & easy installation, self-priming for cold/hot water with high efficiency.

Wide working range with IP44 protection and Class B insulation.

Automatic steady water supply, 30-day running tested for reliable multi-scenario use.

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Technical Data Sheet

Item	DM-WZB-125A	DM-WZB-250A	DM-WZB-370A	DM-WZB-550A	DM-WZB-750A	DM-WZB-1100A	DM-WZB-1100A(B)	DM-WZB-1500A	DM-WZB-1500A(B)
Power Supply	220V 50Hz	220V 50Hz	220V 50Hz	220V 50Hz	220V 50Hz	220V 50Hz	220V 50Hz	220V 50Hz	220V 50Hz
Rated Power (kW)	0.125	0.25	0.37	0.55	0.75	1.1	1.1	1.5	1.5
Rotational Speed (r/min)	2860	2860	2860	2860	2860	2860	2860	2860	2860
Max. Head (m)	24	28	32	38	45	50	50	55	55
Max. Flow (m³/h)	2	2.2	2.4	3.0	3.3	4.8	4.8	5	5
Max. Flow (L/min)	33	36	40	50	55	80	80	83	83
Inlet Diameter (mm)	25	25	25	25	25	40	40	40	40
Outlet Diameter (mm)	25	25	25	25	25	40	40	40	40
Pressure Switch Range (kg/cm²)	1.2–2	1.2–2	1.6–2.4	2.2–3	2.5–3.3	2.6–3.5	2.6–3.5	2.6–3.5	2.6–3.5
Max. Suction Lift (m)	8	8	8	8	8	8	8	8	8
Insulation Class	Class B	Class B	Class B	Class B	Class B	Class B	Class B	Class B	Class B
Protection Class	IP44	IP44	IP44	IP44	IP44	IP44	IP44	IP44	IP44
Gross Weight (kg)	7.9	8	8.8	12.9	13.5	16.9	23.7	17.12	24
Packing Type	Carton	Carton	Carton	Carton	Carton	Carton	Carton	Carton	Carton
Package Dimension (cm)	30.5×22.5×28	30.5×22.5×28	30.5×22.5×28	32.5×24.5×31.5	32.5×24.5×31.5	33×27×34.5	33×27×34.5	47×32×69	47×32×69
Material
Casing	Aluminium	Aluminium	Aluminium	Aluminium	Aluminium	Aluminium	Aluminium	Aluminium	Aluminium
Pump Head	Cast Iron	Cast Iron	Cast Iron	Cast Iron	Cast Iron	Cast Iron	Cast Iron	Cast Iron	Cast Iron
Impeller	Brass	Brass	Brass	Brass	Brass	Brass	Brass	Brass	Brass

PRODUCT OVERVIEW

Small size and convenient installation.
Excellent hydraulic design, reasonable structure, higher efficiency and more stable operation than similar products.
With self-priming function, cold and hot water are usable.
Stable type, market enduring model.

SERVICE CONDITIONS

Environment temperature: max. 40℃
Fluid temperature: max. 90℃
Fluid pH value: 6.5–8.5
Fluid impurity: max. 0.1%
Impurity particle: max. 0.15 mm
Insulation: Class B
Protection: IP44
Liquid medium: clean water

PRODUCT USE

Residential construction water boosting: domestic water pipe booster, water tank, solar energy, shower, gas water heater.
Surface water source pumping: pumping well water, garden irrigation.
Equipped with pressure switch and pressure tank, it pumps water automatically and smoothly.
30-day running test, temperature rise meets required standard.