SEAFLO 21 Series DC Diaphragm Water Pump 12V 3.8LPM 40PSI
The 21-Series Pumps are compact and designed for a wide range of applications including liquid transfer, spraying, circulation, filtration, and dispensing. The 21-series of diaphragm pumps are self-priming and can be run dry without harm. It provides up to 1.2 gallons per minute. Miniature multi-outlet water pressure pump serves 1 or 2 3/8” (10 mm) outlets at any one time. This compact automatic demand water system pump has a built-in pressure switch, which automatically starts and stops the pump when the faucet is opened and closed..gif)
Features:
- 2 chamber diaphragm pump
- Capable of supplying1-2 fixtures
- Self-priming
- Intermittent duty
- 18AWG,13＂long Leads
- Ignition protected
- Industry-standard mounting pattern
- Meets or exceeds RoHS, SGS, and ISO standards
Typical Applications:
- Yacht / RV / Caravan pressurised water system
- Sprayer fixtures (vehicle-mounted sprayers, electric sprayers)
- Cleaning machines, humidifiers, water purification, medical apparatus
- Food beverage filling & liquid transfer
- Solar water system
- Any other pressurisation system
| Pump | |
| Type | 2 Chamber positive displacement diaphragm pump, self priming, capable of being run dry |
| Control Type | Pressure switch |
| Max Recommended Temperature | 60° C (140° F) |
| Priming Capabilities | 4 feet (1.2 m) suction lift |
| Re-start Pressure | Shut-off Pressure 35 PSI: 25 PSI ±5 PSI (±0.3 bar) Shut-off Pressure 40 PSI: 30 PSI ±5 PSI (±0.3 bar) Shut-offPressure 70 PSI: 56 PSI ±5 PSI (±0.3 bar) |
| Inlet/Outlet Ports | 3/8" (10 mm) hose barb |
| Weight | 1.3 lbs (0.6 kg) |
| Motor | |
| Leads | 18 AWG, 14" (35 cm) long with 2-Pin connector / Leads |
| Duty Cycle | Intermittent |
| Max.Amp Draw | 4.0 A |
| Fuse | 6.0 A |
Standard Pump Configurations:
| Model | Voltage | Open Flow （GPM/LPM） |
Control Type | Max Draw | Shut-off Pressure （PSI/BAR) |
Valves | Diaphragm | Ports | Wire Connections |
| SFDP1-010-040-21 | 12V | 1.0 / 3.8 | Switch | 4.0A | 40 / 2.8 | EPDM | Santoprene | 3/8" Barb | 2-Pin/Leads |
| SFDP2-010-040-21 | 24V | 1.0 / 3.8 | Switch | 2.0A | 40 / 2.8 | EPDM | Santoprene | 3/8" Barb | 2-Pin/Leads |
| SFDP1-011-070-21 | 12V | 1.1 / 4.0 | Switch | 4.0A | 70 / 4.8 | EPDM | Santoprene | 3/8" Barb | 2-Pin/Leads |
| SFDP2-011-070-21 | 24V | 1.1 / 4.0 | Switch | 2.0A | 70 / 4.8 | EPDM | Santoprene | 3/8" Barb | 2-Pin/Leads |
| SFDP1-012-035-21 | 12V | 1.2 / 4.3 | Switch | 4.0A | 35 / 2.4 | EPDM | Santoprene | 3/8" Barb | 2-Pin/Leads |
| SFDP2-012-035-21 | 24V | 1.2 / 4.3 | Switch | 2.0A | 35 / 2.4 | EPDM | Santoprene | 3/8" Barb | 2-Pin/Leads |
OEM/ODM service: Pressure from 17 psi to 80 psi, open flow from 2.0 lpm to 4.3 lpm. Material can adjust according to your requirement.
To view parameter tables / graphs, Please click here.
PICK UP & PHONE ENQUIRIES WELCOME
Despatched within 24hrs of payment being received
| Unit Pump Weight | 1.32 lbs（0.6 kg） |
| Selling Unit Size (L x W x H) | 7.20"x 4.17 "x 2.60" (18.3 x 10.6 x 6.5 cm) |
| Selling Unit Weight | 1.54 lbs（0.7kg） |
| Master Carton Size (L x W x H) | 15.43"x 13.19 "x 13.58" (39.2 x 33.5 x 34.5 cm) |
| Master Carton Qty | 30 pcs |
| Master Carton Weight | 46.31 lbs (21 kg) |
| SKU | SFDP1-010-040-21 |
| Brand | SEAFLO |
| Shipping Weight | 0.000000kg |
| Shipping Width | 0.175m |
| Shipping Height | 0.650m |
| Shipping Length | 0.170m |
| Shipping Cubic | 0.019337500m3 |