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Extreme Duty pumps are made with stronger and heavier duty Geolast diaphragms. Pumps
with Geolast diaphragm exhibits enhanced oil-resistance and low oil swell making it ideal for
oil based applications. Geolast provides moderate flex life and good abrasion resistance over
a wide temperature.
Never pump gasoline, flammable liquids or combustible liquids. Pumps with santoprene dia-
phragms are designed for use with water-based products only. Pumps with Extreme Dia-
phragm (ED) designation are made with Geolast Diaphragms and are compatible with
non-flammable and non-combustible oil-based liquids.
Ensure Power supply used is adequate for the application.
Pump ratings are based on alternator charged battery which supplies 13.7 volts.
Voltage drop will result in reduced motor speed thus reducing performance. Higher
operating flow and pressures increase amp draw.
