The Seaflo AG 51 is a 12V DC diaphragm pump for agricultural spraying and compatible liquid transfer. Its built-in pressure switch starts the pump as system pressure falls and stops it when shutoff pressure is reached.
The pump is supplied with two 1/2" female NPT x 1/2" hose-barb fittings and two-pin leads.
Maximum open flow is 11.5LPM. The pressure switch stops the pump at 60psi (about 410kPa). These are separate limits: flow decreases as pressure rises, and the pump does not deliver its maximum flow at shutoff pressure.
Inlet: 1/2" male NPT thread.
Outlet: 1/2" male NPT thread.
Viton valves and a Santoprene diaphragm suit compatible agricultural liquids. Check the liquid, concentration and temperature against all wetted materials before pumping chemicals. The valve material does not establish compatibility with every chemical or approval for drinking-water and food applications.
The five-chamber diaphragm design helps smooth the flow and reduce cycling. The pressure switch provides automatic demand operation as an outlet opens and closes.
Supplied with the pressure switch preset to 60psi. Consult Seaflo before changing the setting, as changes may affect the warranty.
The pump is self-priming with a suction lift up to 1.8m. Usable lift depends on the inlet hose, air leaks and the liquid being pumped. Dry-running capability does not provide automatic shutdown when a tank is empty; switch off when the liquid supply runs out.
Follow the duty-cycle instructions supplied with the pump. Use liquid at temperatures up to 60°C, subject to chemical compatibility.
Fit a suitable inlet strainer and flexible reinforced hose, keeping suction joints airtight. Secure the pump using its rubber mounting feet without overtightening them, and protect the motor and electrical connections from water.
The pump requires a 12V DC supply. Maximum current is 10A.
Two-year warranty, subject to its terms.
