Product Overview
The JSG07W is a compact 12 V or 24 V brushed DC diaphragm water pump designed for clean-water pressurization and liquid transfer in OEM equipment. It delivers up to 1 L/min maximum flow and 10 bar maximum pressure, with a working flow of at least 0.5 L/min at 5 bar.
The standard configuration uses a POM pump head with an EPDM diaphragm and valves. An optional FKM diaphragm is available for projects requiring a different diaphragm material. Final compatibility must be confirmed according to the liquid composition, concentration, temperature, pressure, and operating time.
Its self-priming, oil-free diaphragm structure and mature brushed DC motor support straightforward integration into water purification, clean-water spraying, washing, and customized OEM liquid delivery equipment.
Core Selling Points of This DC Diaphragm Water Pump
1. Up to 10 Bar Maximum Pressure
Provides strong pressure output for compact water purification and liquid delivery systems.
2. Reliable Working Performance
Delivers a working flow of at least 0.5 L/min at 5 bar.
3. Self-Priming and Oil-Free Structure
Draws water without pre-filling the pump chamber while preventing oil contamination in the liquid path.
4. Optional EPDM or FKM Diaphragm
Supports different project requirements through standard EPDM or optional FKM diaphragm configurations.
5. Compact 24 V Brushed DC Design
The compact structure and mature brushed motor simplify integration into OEM equipment.

What Are the Key Specifications of This DC Diaphragm Water Pump?
| Product Model | JSG07W |
| Pump Type | Pressure type DC diaphragm water pump |
| Voltage | 12V/24V |
| Max Flow | 1 L/min |
| Max Pressure | 10 bar |
| Power | 12W |
| Noise | 55 dB at 30 cm |
| Motor Type | Brushed DC motor |
| Life Expectancy | 1,000 hours |
| Working Mode | Continuous or intermittent |
| Inlet / Outlet Diameter | Φ6.5 mm / Φ4.0 mm |
| Pump Head Material | POM |
| Diaphragm Material | EPDM / FKM optional |
| Operating Temperature | 5°C to 40°C |
| Liquid Temperature | 3°C to 50°C |
| Dimensions | Approx. 118.5 × 76 × 62.4 mm |
| Weight | Approx. 490 g |
What Are the Dimensions and Installation Details?
The JSG07W measures approximately 118.5 × 76 × 62.4 mm with four Φ4.0 mm mounting holes. Install it horizontally or with the pump head facing downward, and place a pre-filter before the pump to prevent particles from entering the pump chamber.
JSG07W Dimensional Drawing

Which Media and Materials Is This DC Diaphragm Water Pump Compatible With?
The standard JSG07W liquid path uses a POM pump head with EPDM diaphragm and valves. Always test material compatibility under your specific conditions, including liquid, concentration, temperature, pressure, and operating time.
Standard EPDM
| Item | Material / Notes |
| Pump Head | POM |
| Diaphragm | EPDM |
| Valves | EPDM |
| Recommended Media | Clean water and confirmed compatible water-based liquids |
Enhanced FKM
| Item | Material / Notes |
| Pump Head | POM |
| Diaphragm | FKM optional |
| Valves | EPDM |
| Recommended Media | Project-specific liquids after compatibility evaluation |
What Applications Is This DC Diaphragm Water Pump Suitable For?
1. Water Purification and RO Booster Systems
The JSG07W can provide pressurized clean water for compact water purifiers, RO booster modules, filtration systems, and point-of-use water equipment. Install the pump after the pre-filter and confirm the required flow under the actual membrane and tubing resistance.
2. Clean-Water Spraying and OEM Transfer Systems
The pump can support clean-water spraying, washing modules, cooling-water delivery, and customized OEM liquid transfer systems. Nozzle resistance, tubing length, fittings, and working pressure should be tested as part of the complete system.
How Do I Choose the Right Version of the JSG07W Pump?
1. Confirm the Power Supply
The standard JSG07W specification uses a 24 V DC brushed motor. Confirm the equipment voltage, available current, connector, and wire length before ordering.
2. Select According to the Working Point
Select the pump according to the required flow at the actual working pressure rather than using only the 1 L/min maximum flow or 10 bar maximum pressure.
3. Choose EPDM or FKM Diaphragm
Choose the standard EPDM diaphragm for clean water and confirmed compatible water-based liquids. An optional FKM diaphragm can be evaluated when the project requires a different diaphragm material.
4. Confirm Complete Material Compatibility
The diaphragm is only one part of the liquid path. Confirm compatibility with the POM pump head, EPDM valves, connectors, tubing, and other wetted components.
5. Confirm Installation and Operating Conditions
Install a pre-filter before the pump and mount the pump horizontally or with the pump head facing downward. Confirm the liquid temperature, environmental temperature, operating time, and system resistance.
Real Project Cases Using This DC Diaphragm Water Pump
1.Compact RO Water Purification System
A customer selected the 12 V JSG07W for a compact RO water purification system. With an EPDM diaphragm, pre-filter, RO membrane, tubing, and valves installed, the pump maintained approximately 5.5–5.6 bar working pressure and delivered around 0.6–0.65 L/min during customer testing.
2.Portable High-Pressure Cleaning Device
A customer integrated the JSG07W into a compact multi-nozzle water spraying system. Under the actual tubing and nozzle resistance, the system operated at approximately 3.8–4.1 bar, with each nozzle delivering around 0.10–0.12 L/min.

Files and Technical Documents
Why Work With JSG DC PUMP as Your OEM Pump Supplier?
Professional Micro Pump Manufacturer–DC-PUMP focuses on miniature air pumps, vacuum pumps, liquid pumps, diaphragm pumps, and piston pump solutions for OEM equipment.
Engineering-Based Model Selection–In addition, our team helps customers choose suitable pump models according to real system load, working flow, pressure, vacuum, noise, lifetime, and installation requirements.
Stable Quality Control—Therefore, we check pump performance, appearance, air-tightness, and basic operating parameters before delivery to support more reliable project use.
OEM / ODM Support–Moreover, we can support voltage selection, material options, tubing direction, wiring requirements, speed control, and other customization needs according to project conditions.
Project Sampling Support–Before mass production, customers can test samples under their real equipment structure to confirm airflow, vacuum, pressure, vibration, and working stability.
Export Experience–At the same time, DC-PUMP supplies micro pump products for medical devices, laboratory equipment, beauty instruments, industrial automation, pneumatic modules, gas systems, and other OEM applications.
Need a compact high-pressure DC water pump?Send your required voltage, flow, working pressure, liquid type, operating time, and installation dimensions. Our engineering team will help select or customize the right JSG07W brushed pump configuration.Email: admin@dc-pump.com





