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Super
Stainless
The Franklin 4-inch Super Stainless |
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Super Stainless The
Franklin 4-inch Super Stainless motor has been the driving
force behind residential and light commercial submersible
pumps for decades. Designed and patented in 1950 by our founder,
Ed Schaefer, this motor has proven to be the industry’s most
trusted residential pump motor.
Franklin offers 4-inch motors in a full line
of single- and three-phase voltages, frequencies, and application-specific
models. Wherever there is an independent source of clean groundwater,
you can find a Franklin motor. Typical applications that rely
on our motors include: |
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- Homes
- Farms
- Restaurants
- Schools
- Small Factories
- Coalbed Methane Recovery
- Car Washes
- Fountains
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Applications
These motors are built for dependable operation in 4” diameter
or larger water wells. |
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Features: |
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- Corrosion-resistant stainless steel exterior
- Stainless steel splined shaft
- Hermetically-sealed windings
- StatorShield™ resin system
- Filter check valve
- Water lubrication
- Kingsbury-type thrust bearing
- Pressure-equalizing diaphragm
- Built-in lightning arrestors (All single-phase; 200 &
300 V three-phase)
- Removable Water Bloc™ lead
- Franklin-manufactured control boxes available for single-phase
motors
- UL 778 recognized (North American voltages)
- CSA certified
- ANSI/NSF 61 certified
- Industry standard NEMA mounting dimensions
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Special Features: |
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- Flow inducer sleeve not required in water up to 86 °F
(30 °C) for motors through 2 hp.
- Two-wire motors are split-phase designs with integral
starting components and do not require a control box. They
feature Franklin’s patented two-wire BIAC starting switch
which provides Reverse Impact Torque to aid starting in
adverse environments and prevents extreme fast cycling (e.g.
water logged tank).
- Three-wire motors through 1 hp use Franklin’s exclusive
three-wire QD (Quick Disconnect) Control Box with the patented
QD Relay. This relay provides the ultimate in operational
life.
- Single-phase motors can be used with Pumptec products
to protect against dry-run and other installation conditions
that can damage motors and/or pumps. See Single-phase Protection
Devices for details.
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Constant Pressure Options |
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- Use Franklin’s MonoDrive controller with 1 1/2 hp three-wire
single-phase motors to provide constant water pressure.
- Three-phase motors can be used with SubDrive controllers
to provide constant water pressure.
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Pollution Recovery Option |
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- Pollution Recovery motors are equipped for use in monitoring
and recovery wells in which hydrocarbons and other chemicals
may be present.
- Special Viton® rubber parts and other chemical resistant
materials as listed in Construction Materials chart.
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4-Inch Construction Materials |
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Contruction
Type |
Casting |
304 SS over Iron |
304 SS Over Iron |
303 SS Cast |
Stator Shell |
301 SS |
301 SS |
316 SS |
Shaft Extension |
17-4 SS or 303
SS |
316 SS |
17-4 SS |
Fasteners |
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Seal Cover |
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Diaphragm |
Nitrile Rubber |
Viton |
Nitrile Rubber |
Slinger |
Nitrile Rubber |
Viton |
Nitrile Rubber |
Lead Wire (or Cable) |
XLPE |
Lead not furnished
with motor |
XLPE |
Lead Potting |
Epoxy |
Lead not furnished
with motor |
Epoxy |
Lead Jam Nut |
303 SS |
Lead not furnished
with motor |
Clamp-Style |
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Specifications subject to change without notice.
Contact Franklin Electric if current material types are required
for bid specifications. |
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Viton is a registered trademark of Dupont
Dow Elastomers
Tefzel is a registered trademark of E.I du Pont Nemours and
Company |
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