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 Pumps
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Submersible
Pumps Three & Four Inch, Jet Pumps, Centrifugal &
Booster Pumps
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& Cycle Stop Valves
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Motor Protection, Flow
& Float Switches
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Info
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Four inch Submersible pumps from National
Pump Co. These submersible pumps range from 4 gallons per minute
to 90 gallons per minute.
- Horse power ranges from 1/2 to 7.5 hp.
- All stainless construction.
- Built in check valves on all submersible pumps up to 1.5
hp.
- 1/2hp to 1.5hp are tapped 1-1/4".
- Pumps over 2hp will need external check valves.
- All submersible pumps from 2hp to 7.5hp will be tapped
two inch.
- Submersible Pumps to 150 horsepower are available.
Call for details or a quote.
Four inch Submersible Pump Curves 
3 Inch Hydroflo Submersible Pumps will fit
into a 3 inch well or a tight 4 inch well. Pump Shell,
Discharge, Motor Bracket and Check Valve
are 304 Stainless Steel. Impeller stack has Stainless
Steel wear surface.
The Discharge fitting is one inch.
Hydroflo submersible pumps come with a Sumoto
Electric Three Wire Capacitor Run Motor. A pressure
switch with a built in Run Capacitor is included. The
Hydroflo Submersible pump comes in three horse power ranges.
1/2hp, 3/4hp and 1hp.
Grundfos 3” and larger Submersible pumps are
also available. Call for a quote.
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