51 Series DC Diaphragm Pump 12V/24V 3.0-20.0LPM 17-70PSI

12V/24V 3.0-20.0LPM 17-70PSI

An economical workhorse, the 51 series are engineered for flexibility. The 51-Series is our Heavy-Duty water pump. It provides high volume water flow with reduced pump cycling, thanks to the large?five-chamber diaphragm. With on-demand switching, 3.0 to 5.0 GPM, and 60 PSI, the 51 series will meet your special requirements with positive predictable performance. The 51-Series pumps are self-priming, and can run dry without damage, performance reliable and low current. Seaflo also offers a variety of easy connect fittings and filters.

Specifications|
Parameters
|Manual

FEATURES & BENEFITS

- Adiustable pressure switch form 17-70 psi for OEM when needed.

- Motor sounds no louder than your room fan running.

- Theraded connections with multiple fittings allow connection to any outlet.

- Five-chamber diaphragm provides high volume water flow with reduced pump cycling.

- Iron & rubber feet for noise reduction from vibration.

TYPICAL APPLICATIONS

Marine, RV, Agricultural Spraying, General Industrial, Fitration, Beverage Processing, Solar Water System, etc.

PUMP
Type	5 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	6 feet (1.8 m) suction lift
Re-start Pressure	Shut-off Pressure 60 PSI ：48 PSI ±5 PSI (±0.3 bar)
Inlet/Outlet Ports	1/2"-14 MNPT
Weight	6.1 lbs (2.8 kg)

MOTOR
Leads	14 AWG, 13" (33 cm) long with 2-Pin connector / Leads
Duty Cycle	Continuous
Max.Amp Draw	17.0 A
Fuse	25.5 A

STANDARD PUMP CONFIGURATIONS

Model	Voltage	Open Flow （GPM/LPM）	Control Type	Max Draw	Shut-off Pressure （PSI/BAR)	Valves	Diaphragm	Ports	Wire Connections
SFDP1-030-060-51 NEW	12V	3.0 / 11.5	Pressure Switch	10.0 A	60 / 4.2	EPDM	Santoprene	1/2"-14 MNPT	2-Pin/Leads
SFDP2-030-060-51 NEW	24V	3.0 / 11.5	Pressure Switch	5.5 A	60 / 4.2	EPDM	Santoprene	1/2"-14 MNPT	2-Pin/Leads
SFDP1-040-060-51 NEW	12V	4.0 / 15.0	Pressure Switch	13.0 A	60 / 4.2	EPDM	Santoprene	1/2"-14 MNPT	2-Pin/Leads
SFDP2-040-060-51 NEW	24V	4.0 / 15.0	Pressure Switch	7.0 A	60 / 4.2	EPDM	Santoprene	1/2"-14 MNPT	2-Pin/Leads
SFDP1-050-060-51 NEW	12V	5.0 / 18.9	Pressure Switch	17.0 A	60 / 4.2	EPDM	Santoprene	1/2"-14 MNPT	2-Pin/Leads
SFDP2-050-060-51 NEW	24V	5.0 / 18.9	Pressure Switch	9.0 A	60 / 4.2	EPDM	Santoprene	1/2"-14 MNPT	2-Pin/Leads

Consult factory for other available models.

PERFORMANCE

3.0GPM

PRESSURE		FLOW		CURRENT
PSI	BAR	GPM	LPM	AMPS
0	0	3.12	11.80	3.2
10	0.69	2.59	9.8	5.29
20	1.38	2.32	8.8	6.2
30	2.07	2.11	9.0	7.13
40	2.72	1.90	7.2	8.03
50	3.45	1.74	6.6	8.9
60	4.14	0	0	9.53

View other parameter tables / graphs, Please click here

HEAT RISE

DIMENSIONS

PRODUCT DETAILS

Key	Description	Quantity
A	Pump Head Assembly	1
B	Valve Assembly	1
C	Diaphragm Assembly	1
D	Motor Assembly	1
1	Pressure switch	1
2	Diaphragm of Pressure Switch	1
3	Pump Head	1
4	Diaphragm	1
5	Rubber Feet	1
6	Motor	1
7	Rubber Feet	1

SHIPPING INFORMATION


	Unit Pump Weight	6.09 lbs (2.76 kg)
	Selling Unit Size (L x W x H)	23.62" x 6.26" x 11.50 (28.4 x 15.9 x 14 cm)
	Selling Unit Weight	6.66 lbs (3.02 kg)
	Master Carton Size (L x W x H)	19.69" x 11.81" x 11.20" (50 x 30 x 31 cm)
	Master Carton Qty	6 pcs
	Master Carton Weight	42.51 lbs (19.28 kg)

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