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Lefoo 24V 1.0 GPM Dual Chamber Diaphragm Demand Pump

The LFP1100T is a compact 24V DC diaphragm demand pump designed for clean water delivery and pressure boosting in small OEM water systems. Its dual-chamber diaphragm structure provides reliable water transfer in a space-saving design, making it suitable for equipment with limited installation space.

With a flow rate of up to 1.0 GPM (3.8 L/min) at 0 PSI and a self-priming height of up to 1.5 m, this pump can draw water from a tank and supply it to downstream equipment. Four shut-off pressure options - 30, 40, 50 and 60 PSI - allow OEMs to select the right version according to their water-system requirements.

The pump features a fully enclosed permanent magnet motor, nylon pump housing, EPDM valves, Santoprene diaphragm and stainless-steel spring. A nylon mounting base with vibration-damping feet helps reduce transmitted vibration during operation. Quick-connect inlet and outlet ports simplify installation and assembly.


Specification of 24V 1.0 GPM Dual Chamber Diaphragm Demand Pump

TECHNICAL PARAMETER


Technical Parameter
Model SeriesLFP1100T
Rated Voltage24V DC ±0.5V
Inlet Water Pressure0 PSI
Max. Current≤2.2–2.5A
ConnectionQuick-connect port
Rated Flow Rate1.0 GPM ±6%
Shut-Off Pressure30 / 40 / 50 / 60 PSI
Working Current≤1.5A
Self-Priming Height≥1.5 m


Model Selection

ModelShut-Off PressureMax. Current
LFP1100T-2003030 PSI≤2.2A
LFP1100T-2004040 PSI≤2.3A
LFP1100T-2005050 PSI≤2.4A
LFP1100T-2006060 PSI≤2.5A


Operating Conditions and Materials
ItemSpecification
Working MediumClean water
Water Temperature5-50°C
Ambient Temperature5-40°C
Pump HousingNylon
ValveEPDM
DiaphragmSantoprene
SpringStainless steel


Features of 24V 1.0 GPM Dual Chamber Diaphragm Demand Pump

  • Compact 24V DC dual-chamber diaphragm pump


  • Flow rate up to 1.0 GPM / 3.8 L/min at 0 PSI


  • 30, 40, 50 and 60 PSI shut-off pressure options


  • Self-priming capability up to 1.5 m


  • Fully enclosed permanent magnet motor


  • Nylon mounting base with vibration-damping feet


  • Quick-connect water ports for convenient installation


  • Suitable for clean water with a temperature range of 5-50°C


  • Compact size for integration into small water equipment


Applications of 24V 1.0 GPM Dual Chamber Diaphragm Demand Pump

Small water purification and water dispensing systems


Portable and mobile water supply equipment


RV, caravan and marine auxiliary water systems


Small cleaning and washing equipment


Tank-fed water delivery systems


Custom OEM water-handling equipment


FAQ of 24V 1.0 GPM Dual Chamber Diaphragm Demand Pump

1.What applications is the LFP1100T pump suitable for?

The LFP1100T is suitable for small water purification and dispensing equipment, portable water supply systems, tank-fed water delivery, RV and marine auxiliary water systems, small cleaning equipment, and other OEM clean-water applications.


2.How do I choose the right pressure version?

Select the shut-off pressure according to your system requirement. The LFP1100T series is available in 30, 40, 50, and 60 PSI versions. Please note that the flow rate decreases as discharge pressure increases, so both required flow and working pressure should be considered.


3.Does this pump have pressure control?

The LFP1100T series is available with preset shut-off pressure configurations. The pump stops when the system reaches the selected shut-off pressure. Please contact LEFOO to confirm the pressure-switch setting required for your system.


4.What liquid can this pump handle?

This model is specified for clean-water applications with a water temperature range of 5-50°C. Please contact LEFOO before using it with other liquids to confirm material compatibility.


5.Does the pump need a filter?

Yes. LEFOO recommends installing the pump after a pre-filter with a filtration rating of at least 50 mesh to help prevent sand and particles from entering the pump.


6.Can I customize the pump for my equipment?

Yes. LEFOO supports OEM and ODM projects. Please share your required voltage, operating pressure, flow rate, water connection, application, and expected quantity with our sales team.


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