Portable 40PSI 1.0GPM 12 Volt Electric Marine Diaphragm Water Pump
The 21-Series Pumps are compact and designed for a wide range of applications including water supply, 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. This compact automatic demand water system pump has a built-in pressure switch, which automatically starts and stops the pump when faucet is opened and closed.
MORE FEATURES |
- 2 Year Warranty
- Meets or exceeds RoHS, SGS, and ISO standards
- Traditional operation by switch or float switch
- Entirely submersible |
- Run dry capable for normal workloads
- Quiet operation
- 110°F (43°C) temperature limits
- Stainless steel shaf |
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 Pressure35 PSI: 25 PSI ±5 PSI (±0.3 bar)
Shut-off Pressure40 PSI: 30 PSI ±5 PSI (±0.3 bar)
Shut-offPressure70 PSI: 56 PSI ±5 PSI (±0.3 bar) |
Inlet/Outlet Ports |
3/8" (10mm) hose barb |
Weight |
1.3 lbs (0.6 kg) |
|
MOTOR |
Leads |
18 AWG, 14" (35cm) 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 |
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 |
PERFORMANCE
1.0 GPM
PRESSURE |
FLOW |
CURRENT |
PSI |
BAR |
GPM |
LPM |
AMPS |
0 |
0 |
0.92 |
3.50 |
1.4 |
5 |
0.34 |
0.82 |
3.10 |
1.6 |
10 |
0.69 |
0.79 |
2.98 |
1.7 |
15 |
1.03 |
0.74 |
2.80 |
1.9 |
20 |
1.38 |
0.70 |
2.65 |
2.0 |
25 |
1.73 |
0.67 |
2.55 |
2.2 |
30 |
2.07 |
0.63 |
2.40 |
2.3 |
35 |
2.41 |
0.59 |
2.25 |
2.4 |
40 |
2.72 |
0 |
0 |
0 |
|



Key |
Description |
Quantity |
A |
Pressure Switch |
1 |
B |
Motor Assembly |
1 |
|
Key |
Description |
Quantity |
1 |
Diaphragm of Pressure Switch |
1 |
2 |
Pump Head Assembly |
1 |
3 |
Motor |
1 |
4 |
Rubber Feet |
4 |
|
SHIPPING INFORMATION
Unit Pump Weight |
1.35 lbs(0.61 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 |
1.51 lbs(0.69 kg) |
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 |
45.82 lbs (20.78 kg) |
FAQ
1. What is your MOQ?
100 pieces in general, but we also sale about 10--50 pieces for new costumers for their sample testing.
2. What about the delivery time?
It depends on your order quantity; it usually takes 15-25days upon receipt of your 30% deposit by T/T.
Sample can be delivered within 7days.
3. Can I buy different types in one container?
Yes, you can mix different types in one container.
4. Do you have oversea agents?
1. Of course. We have many agents overseas, such as Dacon Europe A/S in Denmark, A P Lifting Gear Company LTD in United Kingdom, SEAFLO MARINE & RV NORTH AMERICA, LLC in United States, Bin Alshaikh Abobaker for Treading in Yemen, Williams Industrial Products Pty Ltd/Marine Systems Australia and SEAFLO AUS pty in Australia, Azzi Sport Marine S.A.R.L in Lebanon, SARAY DENIZ MALZEMELERI YATCILIK SAN.TIC.LTD.STI in Turkey, RECAMBIOS MARINOS S.L in Spain, DINO CO.,LTD in South Korea.
2. Welcome oversea agents!
5.Do you accept OEM/ODM
Yes. We are also the OEM supplier of many famous companies, such as WALMAT.
6. What is your terms of payment.
T/T, 30% in advance, balance against B/L copy.
7. What is your warranty?
5 years, and within 24 hours reply will be provided to solve customers' problems.
8. What is your port of loading?
Fuzhou Port.