Automatic Self Priming Booster Pump

Automatic Self Priming Booster Pump is designed for boosting hot & cold clean water without abrasive particles. It delivers stable water supply for tap water, showers, solar systems and garden irrigation. Featuring up to 9m self-priming capability, it runs automatically via pressure switch and 2L pressure tank. Cast iron casing ensures low vibration. Wetted parts have anti-rust treatment. Rated IP44, it works under max 40℃ ambient and 90℃ liquid temperature, ideal for residential water supply with insufficient pressure.

9m self-priming capability, no manual priming required for well water

Automatic operation via pressure switch & tank, steady domestic water pressure

Anti-rust wetted parts & cast iron casing, durable with low vibration

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Technical Data Sheet

Item	PS-128	PS-250	PS-370	PS-550	PS-750
Model	PS-128	PS-250	PS-370	PS-550	PS-750
Electrical connection	Single phase	Single phase	Single phase	Single phase	Single phase
Power source	220V 50Hz	220V 50Hz	220V 50Hz	220V 50Hz	220V 50Hz
Power (W)	125	250	370	550	750
Rotational Speed (r/min)	2860	2860	2860	2860	2860
Maximum head (m)	26	30	35	40	45
Maximum flow (m³/h)	1.5	1.9	2.1	2.4	2.7
Maximum flow (L/min)	25	31	35	40	45
Inlet size (mm)	25	25	25	25	25
Outlet size (mm)	25	25	25	25	25
Suction lift (m)	8	8	8	8	8
Insulation class	Class B	Class B	Class B	Class B	Class B
Protection class	IP44	IP44	IP44	IP44	IP44
Gross Weight (kg)	7.6	9.8	11.9	17	18.5
Packing method	Carton	Carton	Carton	Carton	Carton
Package size (cm)	270×190×320	310×235×330	310×260×335	330×287×357	330×287×357
Casing	Cast iron	Cast iron	Cast iron	Cast iron	Cast iron
Pump head	Cast iron	Cast iron	Cast iron	Cast iron	Cast iron
Impeller	Brass	Brass	Brass	Brass	Brass