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Armstrong Astro 220SSU 115V 1/2" Circulator Pump (110223-301)

Armstrong Astro 220SSU 115V 1/2" Circulator Pump (110223-301)

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Armstrong Astro 220SSU 115V 1/2" Circulator Pump (110223-301)

Armstrong Astro 220SSU Connection:
Sweat - 1/2"

Armstrong Astro 220SSU Overview:
The Armstrong Astro 20BS is a hydronic circulator that conserves energy and eliminates maintenance. Armstrong's Astro Circulator is intended for circulating water or ethylene glycol solutions in closed hydronic or solar heating systems. It is designed with no mechanical seals or couplers to replace, and no lubrication is required. The Astro series is available in two models for residential, small industrial and commercial installations. Choose from cast iron or bronze models for solar and domestic applications.

Armstrong Astro 220SSU Design Features:
Efficient/Quiet Operation
Universal Flange to Flange Dimension
Cast Iron or All Bronze Construction
UL and CSA Listed
No mechanical seals to leak
No couplers to break
No lubrication
Noryl impeller
Vent plug for initial purging if required
Stainless Steel shaft
Ethylene Propylene gaskets
Impedance protected motor

Armstrong Astro 220SSU Technical Data:
Flow Range: 0 to 20 USgpm (0 to 1.26 L/s)
Head Range: 0 to 32 ft. (0 to 9.8 m)
Motor: 115 V, single phase, 60 Hz
Max. Fluid Temperature*: 230°F (110°C)
Max. Working Pressure: 150 psi (1000 kPa)

Armstrong Astro 220SSU Materials of Construction:
Pump Body: Cast Iron (closed systems), Bronze (open systems)
Impeller: Polypropylene (Glass Filled)
Shaft: Stainless Steel
Bearings: Graphite
Gasket Material: EPDM

Manual Brochure

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