E Series close-coupled, dry motor circulators bridge the gap between traditional three-piece
technology and small wet-rotor circulators in the
1
/
6
or
2
/
5
hp (1.25 or 0.30 kW) range. The
common seal for all models can be replaced in the field for a fraction of the cost of complete
circulator replacement. Combining maintenance-free bearings and outstanding wire-to-water
efficiency, E Series circulators provide excellent performance and low cost of ownership.
Armstrong in-line circulators are designed to provide reliable performance in residential and light commercial
HVAC systems and domestic hot water recirculation systems. Our broad range of circulators, incorporating
three-piece, close-coupled, dry motor and wet rotor technologies, enable the best selection of circulator for
boiler, chiller, radiant flooring, geothermal, solar and snow-melt applications. All circulator technologies are
available in either cast iron construction for closed systems or bronze construction for open systems.
Circulators
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Astro Series
Fluid Dynamics
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S & H Series
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Series 1050 & 1060
S & H Series circulators provide stocked pump convenience when three-piece
circulator technology is required in the
1
/
12
to 1
1
/
2
hp (0.06 to 1.12 kW) range. The
industry renowned Armstrong Seal Bearing Assembly (SBA) provides superior bear-
ing lubrication for long, trouble-free service, and incorporates a common bearing
module for many models, which reduces spare parts inventory and simplifies service.
Armstrong Series 1050 and 1060 three-piece circulators are ideally suited for engineered
commercial applications where custom configuration is required to achieve maximum per-
formance and optimum energy efficiency under defined operating conditions. Modules with
motor ratings from
1
/
4
to 3 hp (0.19 to 2.24 kW) are field repairable and replacement parts
are readily available from wholesalers and service dealers throughout North America.
Compact Astro series
1
/
25
and
1
/
20
hp (0.03 and 0.04 kW) wet-rotor circulators provide ‘whisper’
quiet maintenance-free performance. Use these circulators where operating noise is a prime
consideration, such as residential, business office, hospital, library and school applications.
A wide array of options enable rapid selection and installation for any application.
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Astro Express Hot Water Re-Circulation System
The Astro Express system is the ideal solution to provide hot water at the tap for existing
homes. This system dramatically reduces wait times for hot water to reach the faucet, and
reduces water consumption. Thanks to the adjustable Astro Express system valve, one
system suits all homes, big and small, and performance can be tailored to each application
and customer preference. The built-in adjustable timer conserves energy when water
recirculation is not needed.
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ARM
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E Series Circulator
Astro Three Speed Circulators provide quiet operation for residential, office, commercial,
hospital or educational institutions. Astro circulators also offer an integral manual air vent,
a 2-year warranty and are virtually maintenance free. Together, the Astro 30-3 and Astro
50-3 can replace most competitive water lubricated pumps up to
1
/
20
hp (0.04 kW).
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Astro Three Speed Wet Rotor Circulators
