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21 Series DC Diaphragm Pump fresh water pump 12v & 24V

About this item

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

Built-in 35 PSI pressure switch for automatic stop/start

Self-priming allows it to be mounted above tank; able to run dry

1.2 gallons per minute (4.2 liters per minute) Built-in thermal protector; 3/8-inch hose barb ports

Specification

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)

Leads

18 AWG, 14″ (35 cm) long with 2-Pin connector / Leads

Duty Cycle

Intermittent

 

Model

Voltage

Open flow

(GPM/LPM)

Max draw

Shut-off pressure

(PSI / BAR)

Ports

Wire connections

NMDP21-G10-40-12

12V

1.0 / 3.8 

4A

40 / 2.8

3/8″Barb

2-pin / Lead

NMDP21-G10-40-24

24V

1.0 / 3.8 

2A

40 / 2.8

3/8″Barb

2-pin / Lead

NMDP21-G11-70-12

12V

1.1 / 4.0

4A

70 / 4.8

3/8″Barb

2-pin / Lead

NMDP21-G11-70-24

24V

1.1 / 4.0

2A

70 / 4.8

3/8″Barb

2-pin / Lead

NMDP21-G12-35-12

12V

1.2 / 4.3

4A

45 / 3.1

3/8″Barb

2-pin / Lead

NMDP21-G12-35-24

24V

1.2 / 4.3

2A

45 / 3.1

3/8″Barb

2-pin / Lead

 

Dimensions

 

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