SEAFLO 12v Diaphragm Pump 3GPM 55PSI

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$67.49 USD

Product description

SEAFLO 42-Series Water Pressure Diaphragm Pump w/ Internal Bypass - 12V, 3.0 GPM, 55 PSI

Meet our newest addition to our diaphragm pumps: the 42 series. It retains the raw power and pressure of its predecessors, but also can adapt to situations where huge flow is not needed. Compact but capable, it is a great fit for tight spaces. It may also be configured with different inlet types, each with their own unique fittings to be sure that it fits any application you can require. It also features an internal bypass to reduce pump cycling. No accumulator tank needed! Our 42-Series will perform optimally under both high flow and low flow. It also features self-priming and priming up to 6 vertical feet while operating quietly during any application. This pump is capable of running dry and even contains a built-in check valve. Lastly, as will all SEAFLO products, it comes with a 4-Year Limited Warranty!

-Max Flow: 3.0 GPM
-Electrical: 12V DC
-Inlet: 1/2" -14 MNPT  /   Outlet: 1/2" -14 MNPT
-Weight: 4.0 lbs (2.5 kg)
-Pressure: 55 PSI
-Max Amperage: 7.5
-4 Year Warranty

Package Includes:

- 1 x 
- 1 x Warranty Information
- 1 x Installation Instructions
- 2 x 1/2" Barbed Hose Adaptors
- 1 x 50 Mesh Strainer/Filter


Marine,RV,Agricutural Spraying,General Industial,Filtration,Beverage Processing,Solar Water System.

Type 4 Chamber positive displacement diaphragm pump, self priming, capable of being run dry
Control Type Pressure switch & By pass control
Max Recommended Temperature 60° C(140° F)
Priming Capabilities 6 feet (1.8 m) suction lift
Re-start Pressure

Shut-off Pressure 55PSI : 41 PSI ±5 PSI (±0.3 bar)

Inlet/Outlet Ports 1/2"-14 MNPT
Weight 4.0 lbs (1.9 kg)
Leads 16 AWG, 9.4" (24cm) long with 2-Pin connector/Leads
Duty Cycle Intermittent
Max.Amp Draw 7.5 A
Fuse 11.3 A




Model Voltage Open Flow

Control Type

Max Draw

Shut-off Pressure

Valves Diaphragm Ports

Wire Connections

SFDP1-030-055-42 12V 3.0 / 11.3 switch & By pass 7.5 A 55 / 3.8 EPDM Santoprene 1/2"-14 MNPT 2-Pin/Leads
SFDP2-030-055-42 24V 3.0 / 11.3 switch & By pass 4.0 A 55 / 3.8 EPDM Santoprene 1/2"-14 MNPT 2-Pin/Leads

Consult factory for other available models.



-Continunous duty
-On-demand use
-Self priming
-Run dry safe
-Internal bypass technology reduces cycling
-16AWG,9.4"long Leads
-2 Year Warranty
- Meets or exceeds RoHS, SGS, and ISO standards

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