Delavan 5850201 Electric Pump

Delavan 5850201 Electric Pump

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Product Overview

Delavan 5850-201 Electric Pump is an on-demand diaphragm pump which delivers 5.0 GPM and 60 PSI to ensure a reliable application. It is constructed of high-quality Polypropylene and coated steel to ensure durability. It comes with Viton valves, 1/2” FNPT ports, and 12 VDC power supply.

Features and Specs

For use in Residential, Commercial and Industrial Sites
Voltage 12 Volts
Material / Construction Coated steel/Polypropylene
Seal Type Viton Seals
Pressure (PSI) 60
Special Features Chemical-resistant materials
Warranty One Year Limited Warranty against factory defects
Shipping Weight 6.00 lbs
Manufacturer Delavan (Mfg. Number: 5850-201)



Motor Type: 12 VDC permanent magnet, totally enclosed, non-ventilated
Leads: 14 AWG, 6” Long
Duty Cycle: See Heat Rise graph
Temperature Limits: Motor is not equipped with thermal protection. For user safety, optimal performance, and maximum motor life, the motor surface temperature should not exceed 180°F (82°C). (See Heat Rise graph)

Materials of Construction

Housings: Polypropylene
Valves: Viton
Diaphragm: Santoprene
Fasteners: Stainless Steel
Motor Shell: Coated Steel


Type: 5 chamber positive displacement diaphragm pump, self priming, capable of being run dry, demand or bypass mode
Certifications: CE Approval
Liquid Temperature: 140°F (60°C) Max.
Priming Capabilities: 14 feet (4 m)
Max Pressure: 60 PSI (4.2 bar)
Inlet/Outlet Ports: 1⁄2” FNPT
Weight: 6 lbs. (All 5800 Models)

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Questions & Answers

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If I hook to my truck battery while the truck is running, will the output of the alternator burn up the Delavan 5850-201 Electric Pump?

Per the manufacturer it should not burn the pump.  An alternator puts out 12 Volts, battery is a 12 Volt battery, Delavan 5850-201 Electric Pump is a 12 Volt pump you will be fine. Be sure there is an in-line fuse for your pump at the battery. It should be a 30 amp fuse.

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Will the Delavan 5850-201 Electric Pump handle gasoline?

We have checked with the manufacturer of the Delavan 5850-201 Electric Pump and they stated that it cannot be used with gasoline at all as this could essentially create a bomb if the gas were to get into the pump itself.

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