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21 Series Diaphragm Pump 21 Series Diaphragm Pump 21 Series Diaphragm Pump 21 Series Diaphragm Pump
  • 21 Series Diaphragm Pump
  • 21 Series Diaphragm Pump
  • 21 Series Diaphragm Pump
  • 21 Series Diaphragm Pump

21 Series Diaphragm Pump

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.

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

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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