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21 Series DC Diaphragm Pump  12V/24V 2.0-4.3LPM 17-80PSI 21 Series DC Diaphragm Pump  12V/24V 2.0-4.3LPM 17-80PSI 21 Series DC Diaphragm Pump  12V/24V 2.0-4.3LPM 17-80PSI 21 Series DC Diaphragm Pump  12V/24V 2.0-4.3LPM 17-80PSI 21 Series DC Diaphragm Pump  12V/24V 2.0-4.3LPM 17-80PSI
  • 21 Series DC Diaphragm Pump  12V/24V 2.0-4.3LPM 17-80PSI
  • 21 Series DC Diaphragm Pump  12V/24V 2.0-4.3LPM 17-80PSI
  • 21 Series DC Diaphragm Pump  12V/24V 2.0-4.3LPM 17-80PSI
  • 21 Series DC Diaphragm Pump  12V/24V 2.0-4.3LPM 17-80PSI
  • 21 Series DC Diaphragm Pump  12V/24V 2.0-4.3LPM 17-80PSI

21 Series DC Diaphragm Pump 12V/24V 2.0-4.3LPM 17-80PSI

12V/24V 2.0-4.3LPM 17-80PSI

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 faucet is opened and closed.

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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

Consult factory for other available models.

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.

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
1.1 GPM
PRESSURE FLOW CURRENT
PSI BAR GPM LPM

AMPS

0 0 0.82 0.64 1.5
10 0.69 0.77 2.91 1.5
20 1.38 0.71 2.69 1.9
30 2.07 0.68 2.57 2.0
40 2.72 0.63 2.38 2.4
50 3.44 0.61 2.31 2.5
60 4.13 0.55 2.08 2.9
70 4.83 0 0 0


1.2 GPM
PRESSURE FLOW CURRENT
PSI BAR GPM LPM

AMPS

0 0 0.83 3.14 1.3
5 0.34 0.77 2.91 1.5
10 0.69 0.74 2.80 1.5
15 1.03 0.71 2.69 1.6
20 1.38 0.69 2.611 1.7
25 1.72 0.66 2.50 1.9
30 2.07 0.63 2.38 2.8
35 2.41 0 0 0

PERFORMANCE


HEAT RISE



DIMENSIONS


PRODUCT DETAILS


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)



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